|  | @@ -0,0 +1,4567 @@
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				|  |  | +define(['exports'], (function (exports) { 'use strict';
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				|  |  | +
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				|  |  | +    // @ts-ignore
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				|  |  | +    try {
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				|  |  | +      self['workbox:core:7.0.0'] && _();
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				|  |  | +    } catch (e) {}
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				|  |  | +
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				|  |  | +    /*
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				|  |  | +      Copyright 2019 Google LLC
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				|  |  | +      Use of this source code is governed by an MIT-style
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				|  |  | +      license that can be found in the LICENSE file or at
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				|  |  | +      https://opensource.org/licenses/MIT.
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				|  |  | +    */
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				|  |  | +    const logger = (() => {
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				|  |  | +      // Don't overwrite this value if it's already set.
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				|  |  | +      // See https://github.com/GoogleChrome/workbox/pull/2284#issuecomment-560470923
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				|  |  | +      if (!('__WB_DISABLE_DEV_LOGS' in globalThis)) {
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				|  |  | +        self.__WB_DISABLE_DEV_LOGS = false;
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				|  |  | +      }
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				|  |  | +      let inGroup = false;
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				|  |  | +      const methodToColorMap = {
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				|  |  | +        debug: `#7f8c8d`,
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				|  |  | +        log: `#2ecc71`,
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				|  |  | +        warn: `#f39c12`,
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				|  |  | +        error: `#c0392b`,
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				|  |  | +        groupCollapsed: `#3498db`,
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				|  |  | +        groupEnd: null // No colored prefix on groupEnd
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				|  |  | +      };
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				|  |  | +
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				|  |  | +      const print = function (method, args) {
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				|  |  | +        if (self.__WB_DISABLE_DEV_LOGS) {
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				|  |  | +          return;
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				|  |  | +        }
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				|  |  | +        if (method === 'groupCollapsed') {
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				|  |  | +          // Safari doesn't print all console.groupCollapsed() arguments:
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				|  |  | +          // https://bugs.webkit.org/show_bug.cgi?id=182754
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				|  |  | +          if (/^((?!chrome|android).)*safari/i.test(navigator.userAgent)) {
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				|  |  | +            console[method](...args);
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				|  |  | +            return;
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				|  |  | +          }
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				|  |  | +        }
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				|  |  | +        const styles = [`background: ${methodToColorMap[method]}`, `border-radius: 0.5em`, `color: white`, `font-weight: bold`, `padding: 2px 0.5em`];
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				|  |  | +        // When in a group, the workbox prefix is not displayed.
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				|  |  | +        const logPrefix = inGroup ? [] : ['%cworkbox', styles.join(';')];
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				|  |  | +        console[method](...logPrefix, ...args);
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				|  |  | +        if (method === 'groupCollapsed') {
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				|  |  | +          inGroup = true;
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				|  |  | +        }
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				|  |  | +        if (method === 'groupEnd') {
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				|  |  | +          inGroup = false;
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				|  |  | +        }
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				|  |  | +      };
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				|  |  | +      // eslint-disable-next-line @typescript-eslint/ban-types
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				|  |  | +      const api = {};
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				|  |  | +      const loggerMethods = Object.keys(methodToColorMap);
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				|  |  | +      for (const key of loggerMethods) {
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				|  |  | +        const method = key;
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				|  |  | +        api[method] = (...args) => {
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				|  |  | +          print(method, args);
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				|  |  | +        };
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				|  |  | +      }
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				|  |  | +      return api;
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				|  |  | +    })();
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				|  |  | +
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				|  |  | +    /*
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				|  |  | +      Copyright 2018 Google LLC
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				|  |  | +
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				|  |  | +      Use of this source code is governed by an MIT-style
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				|  |  | +      license that can be found in the LICENSE file or at
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				|  |  | +      https://opensource.org/licenses/MIT.
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				|  |  | +    */
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				|  |  | +    const messages$1 = {
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				|  |  | +      'invalid-value': ({
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				|  |  | +        paramName,
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				|  |  | +        validValueDescription,
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				|  |  | +        value
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				|  |  | +      }) => {
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				|  |  | +        if (!paramName || !validValueDescription) {
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				|  |  | +          throw new Error(`Unexpected input to 'invalid-value' error.`);
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				|  |  | +        }
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				|  |  | +        return `The '${paramName}' parameter was given a value with an ` + `unexpected value. ${validValueDescription} Received a value of ` + `${JSON.stringify(value)}.`;
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				|  |  | +      },
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				|  |  | +      'not-an-array': ({
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName,
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				|  |  | +        paramName
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				|  |  | +      }) => {
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				|  |  | +        if (!moduleName || !className || !funcName || !paramName) {
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				|  |  | +          throw new Error(`Unexpected input to 'not-an-array' error.`);
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				|  |  | +        }
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				|  |  | +        return `The parameter '${paramName}' passed into ` + `'${moduleName}.${className}.${funcName}()' must be an array.`;
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				|  |  | +      },
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				|  |  | +      'incorrect-type': ({
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				|  |  | +        expectedType,
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				|  |  | +        paramName,
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName
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				|  |  | +      }) => {
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				|  |  | +        if (!expectedType || !paramName || !moduleName || !funcName) {
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				|  |  | +          throw new Error(`Unexpected input to 'incorrect-type' error.`);
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				|  |  | +        }
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				|  |  | +        const classNameStr = className ? `${className}.` : '';
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				|  |  | +        return `The parameter '${paramName}' passed into ` + `'${moduleName}.${classNameStr}` + `${funcName}()' must be of type ${expectedType}.`;
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				|  |  | +      },
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				|  |  | +      'incorrect-class': ({
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				|  |  | +        expectedClassName,
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				|  |  | +        paramName,
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName,
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				|  |  | +        isReturnValueProblem
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				|  |  | +      }) => {
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				|  |  | +        if (!expectedClassName || !moduleName || !funcName) {
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				|  |  | +          throw new Error(`Unexpected input to 'incorrect-class' error.`);
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				|  |  | +        }
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				|  |  | +        const classNameStr = className ? `${className}.` : '';
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				|  |  | +        if (isReturnValueProblem) {
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				|  |  | +          return `The return value from ` + `'${moduleName}.${classNameStr}${funcName}()' ` + `must be an instance of class ${expectedClassName}.`;
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				|  |  | +        }
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				|  |  | +        return `The parameter '${paramName}' passed into ` + `'${moduleName}.${classNameStr}${funcName}()' ` + `must be an instance of class ${expectedClassName}.`;
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				|  |  | +      },
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				|  |  | +      'missing-a-method': ({
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				|  |  | +        expectedMethod,
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				|  |  | +        paramName,
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName
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				|  |  | +      }) => {
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				|  |  | +        if (!expectedMethod || !paramName || !moduleName || !className || !funcName) {
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				|  |  | +          throw new Error(`Unexpected input to 'missing-a-method' error.`);
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				|  |  | +        }
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				|  |  | +        return `${moduleName}.${className}.${funcName}() expected the ` + `'${paramName}' parameter to expose a '${expectedMethod}' method.`;
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				|  |  | +      },
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				|  |  | +      'add-to-cache-list-unexpected-type': ({
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				|  |  | +        entry
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				|  |  | +      }) => {
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				|  |  | +        return `An unexpected entry was passed to ` + `'workbox-precaching.PrecacheController.addToCacheList()' The entry ` + `'${JSON.stringify(entry)}' isn't supported. You must supply an array of ` + `strings with one or more characters, objects with a url property or ` + `Request objects.`;
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				|  |  | +      },
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				|  |  | +      'add-to-cache-list-conflicting-entries': ({
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				|  |  | +        firstEntry,
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				|  |  | +        secondEntry
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				|  |  | +      }) => {
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				|  |  | +        if (!firstEntry || !secondEntry) {
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				|  |  | +          throw new Error(`Unexpected input to ` + `'add-to-cache-list-duplicate-entries' error.`);
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				|  |  | +        }
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				|  |  | +        return `Two of the entries passed to ` + `'workbox-precaching.PrecacheController.addToCacheList()' had the URL ` + `${firstEntry} but different revision details. Workbox is ` + `unable to cache and version the asset correctly. Please remove one ` + `of the entries.`;
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				|  |  | +      },
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				|  |  | +      'plugin-error-request-will-fetch': ({
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				|  |  | +        thrownErrorMessage
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				|  |  | +      }) => {
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				|  |  | +        if (!thrownErrorMessage) {
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				|  |  | +          throw new Error(`Unexpected input to ` + `'plugin-error-request-will-fetch', error.`);
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				|  |  | +        }
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				|  |  | +        return `An error was thrown by a plugins 'requestWillFetch()' method. ` + `The thrown error message was: '${thrownErrorMessage}'.`;
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				|  |  | +      },
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				|  |  | +      'invalid-cache-name': ({
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				|  |  | +        cacheNameId,
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				|  |  | +        value
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				|  |  | +      }) => {
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				|  |  | +        if (!cacheNameId) {
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				|  |  | +          throw new Error(`Expected a 'cacheNameId' for error 'invalid-cache-name'`);
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				|  |  | +        }
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				|  |  | +        return `You must provide a name containing at least one character for ` + `setCacheDetails({${cacheNameId}: '...'}). Received a value of ` + `'${JSON.stringify(value)}'`;
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				|  |  | +      },
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				|  |  | +      'unregister-route-but-not-found-with-method': ({
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				|  |  | +        method
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				|  |  | +      }) => {
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				|  |  | +        if (!method) {
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				|  |  | +          throw new Error(`Unexpected input to ` + `'unregister-route-but-not-found-with-method' error.`);
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				|  |  | +        }
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				|  |  | +        return `The route you're trying to unregister was not  previously ` + `registered for the method type '${method}'.`;
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				|  |  | +      },
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				|  |  | +      'unregister-route-route-not-registered': () => {
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				|  |  | +        return `The route you're trying to unregister was not previously ` + `registered.`;
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				|  |  | +      },
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				|  |  | +      'queue-replay-failed': ({
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				|  |  | +        name
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				|  |  | +      }) => {
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				|  |  | +        return `Replaying the background sync queue '${name}' failed.`;
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				|  |  | +      },
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				|  |  | +      'duplicate-queue-name': ({
 | 
	
		
			
				|  |  | +        name
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				|  |  | +      }) => {
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				|  |  | +        return `The Queue name '${name}' is already being used. ` + `All instances of backgroundSync.Queue must be given unique names.`;
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				|  |  | +      },
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				|  |  | +      'expired-test-without-max-age': ({
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				|  |  | +        methodName,
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				|  |  | +        paramName
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				|  |  | +      }) => {
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				|  |  | +        return `The '${methodName}()' method can only be used when the ` + `'${paramName}' is used in the constructor.`;
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				|  |  | +      },
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				|  |  | +      'unsupported-route-type': ({
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName,
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				|  |  | +        paramName
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				|  |  | +      }) => {
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				|  |  | +        return `The supplied '${paramName}' parameter was an unsupported type. ` + `Please check the docs for ${moduleName}.${className}.${funcName} for ` + `valid input types.`;
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				|  |  | +      },
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				|  |  | +      'not-array-of-class': ({
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				|  |  | +        value,
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				|  |  | +        expectedClass,
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName,
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				|  |  | +        paramName
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				|  |  | +      }) => {
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				|  |  | +        return `The supplied '${paramName}' parameter must be an array of ` + `'${expectedClass}' objects. Received '${JSON.stringify(value)},'. ` + `Please check the call to ${moduleName}.${className}.${funcName}() ` + `to fix the issue.`;
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				|  |  | +      },
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				|  |  | +      'max-entries-or-age-required': ({
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName
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				|  |  | +      }) => {
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				|  |  | +        return `You must define either config.maxEntries or config.maxAgeSeconds` + `in ${moduleName}.${className}.${funcName}`;
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				|  |  | +      },
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				|  |  | +      'statuses-or-headers-required': ({
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				|  |  | +        moduleName,
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				|  |  | +        className,
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				|  |  | +        funcName
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				|  |  | +      }) => {
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				|  |  | +        return `You must define either config.statuses or config.headers` + `in ${moduleName}.${className}.${funcName}`;
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				|  |  | +      },
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				|  |  | +      'invalid-string': ({
 | 
	
		
			
				|  |  | +        moduleName,
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				|  |  | +        funcName,
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				|  |  | +        paramName
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				|  |  | +      }) => {
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				|  |  | +        if (!paramName || !moduleName || !funcName) {
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				|  |  | +          throw new Error(`Unexpected input to 'invalid-string' error.`);
 | 
	
		
			
				|  |  | +        }
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				|  |  | +        return `When using strings, the '${paramName}' parameter must start with ` + `'http' (for cross-origin matches) or '/' (for same-origin matches). ` + `Please see the docs for ${moduleName}.${funcName}() for ` + `more info.`;
 | 
	
		
			
				|  |  | +      },
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				|  |  | +      'channel-name-required': () => {
 | 
	
		
			
				|  |  | +        return `You must provide a channelName to construct a ` + `BroadcastCacheUpdate instance.`;
 | 
	
		
			
				|  |  | +      },
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				|  |  | +      'invalid-responses-are-same-args': () => {
 | 
	
		
			
				|  |  | +        return `The arguments passed into responsesAreSame() appear to be ` + `invalid. Please ensure valid Responses are used.`;
 | 
	
		
			
				|  |  | +      },
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				|  |  | +      'expire-custom-caches-only': () => {
 | 
	
		
			
				|  |  | +        return `You must provide a 'cacheName' property when using the ` + `expiration plugin with a runtime caching strategy.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'unit-must-be-bytes': ({
 | 
	
		
			
				|  |  | +        normalizedRangeHeader
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				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        if (!normalizedRangeHeader) {
 | 
	
		
			
				|  |  | +          throw new Error(`Unexpected input to 'unit-must-be-bytes' error.`);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return `The 'unit' portion of the Range header must be set to 'bytes'. ` + `The Range header provided was "${normalizedRangeHeader}"`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'single-range-only': ({
 | 
	
		
			
				|  |  | +        normalizedRangeHeader
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        if (!normalizedRangeHeader) {
 | 
	
		
			
				|  |  | +          throw new Error(`Unexpected input to 'single-range-only' error.`);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return `Multiple ranges are not supported. Please use a  single start ` + `value, and optional end value. The Range header provided was ` + `"${normalizedRangeHeader}"`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'invalid-range-values': ({
 | 
	
		
			
				|  |  | +        normalizedRangeHeader
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        if (!normalizedRangeHeader) {
 | 
	
		
			
				|  |  | +          throw new Error(`Unexpected input to 'invalid-range-values' error.`);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return `The Range header is missing both start and end values. At least ` + `one of those values is needed. The Range header provided was ` + `"${normalizedRangeHeader}"`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'no-range-header': () => {
 | 
	
		
			
				|  |  | +        return `No Range header was found in the Request provided.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'range-not-satisfiable': ({
 | 
	
		
			
				|  |  | +        size,
 | 
	
		
			
				|  |  | +        start,
 | 
	
		
			
				|  |  | +        end
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `The start (${start}) and end (${end}) values in the Range are ` + `not satisfiable by the cached response, which is ${size} bytes.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'attempt-to-cache-non-get-request': ({
 | 
	
		
			
				|  |  | +        url,
 | 
	
		
			
				|  |  | +        method
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `Unable to cache '${url}' because it is a '${method}' request and ` + `only 'GET' requests can be cached.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'cache-put-with-no-response': ({
 | 
	
		
			
				|  |  | +        url
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `There was an attempt to cache '${url}' but the response was not ` + `defined.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'no-response': ({
 | 
	
		
			
				|  |  | +        url,
 | 
	
		
			
				|  |  | +        error
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        let message = `The strategy could not generate a response for '${url}'.`;
 | 
	
		
			
				|  |  | +        if (error) {
 | 
	
		
			
				|  |  | +          message += ` The underlying error is ${error}.`;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return message;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'bad-precaching-response': ({
 | 
	
		
			
				|  |  | +        url,
 | 
	
		
			
				|  |  | +        status
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `The precaching request for '${url}' failed` + (status ? ` with an HTTP status of ${status}.` : `.`);
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'non-precached-url': ({
 | 
	
		
			
				|  |  | +        url
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `createHandlerBoundToURL('${url}') was called, but that URL is ` + `not precached. Please pass in a URL that is precached instead.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'add-to-cache-list-conflicting-integrities': ({
 | 
	
		
			
				|  |  | +        url
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `Two of the entries passed to ` + `'workbox-precaching.PrecacheController.addToCacheList()' had the URL ` + `${url} with different integrity values. Please remove one of them.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'missing-precache-entry': ({
 | 
	
		
			
				|  |  | +        cacheName,
 | 
	
		
			
				|  |  | +        url
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `Unable to find a precached response in ${cacheName} for ${url}.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'cross-origin-copy-response': ({
 | 
	
		
			
				|  |  | +        origin
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        return `workbox-core.copyResponse() can only be used with same-origin ` + `responses. It was passed a response with origin ${origin}.`;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      'opaque-streams-source': ({
 | 
	
		
			
				|  |  | +        type
 | 
	
		
			
				|  |  | +      }) => {
 | 
	
		
			
				|  |  | +        const message = `One of the workbox-streams sources resulted in an ` + `'${type}' response.`;
 | 
	
		
			
				|  |  | +        if (type === 'opaqueredirect') {
 | 
	
		
			
				|  |  | +          return `${message} Please do not use a navigation request that results ` + `in a redirect as a source.`;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return `${message} Please ensure your sources are CORS-enabled.`;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    const generatorFunction = (code, details = {}) => {
 | 
	
		
			
				|  |  | +      const message = messages$1[code];
 | 
	
		
			
				|  |  | +      if (!message) {
 | 
	
		
			
				|  |  | +        throw new Error(`Unable to find message for code '${code}'.`);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return message(details);
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const messageGenerator = generatorFunction;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Workbox errors should be thrown with this class.
 | 
	
		
			
				|  |  | +     * This allows use to ensure the type easily in tests,
 | 
	
		
			
				|  |  | +     * helps developers identify errors from workbox
 | 
	
		
			
				|  |  | +     * easily and allows use to optimise error
 | 
	
		
			
				|  |  | +     * messages correctly.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class WorkboxError extends Error {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} errorCode The error code that
 | 
	
		
			
				|  |  | +       * identifies this particular error.
 | 
	
		
			
				|  |  | +       * @param {Object=} details Any relevant arguments
 | 
	
		
			
				|  |  | +       * that will help developers identify issues should
 | 
	
		
			
				|  |  | +       * be added as a key on the context object.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(errorCode, details) {
 | 
	
		
			
				|  |  | +        const message = messageGenerator(errorCode, details);
 | 
	
		
			
				|  |  | +        super(message);
 | 
	
		
			
				|  |  | +        this.name = errorCode;
 | 
	
		
			
				|  |  | +        this.details = details;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +     * This method throws if the supplied value is not an array.
 | 
	
		
			
				|  |  | +     * The destructed values are required to produce a meaningful error for users.
 | 
	
		
			
				|  |  | +     * The destructed and restructured object is so it's clear what is
 | 
	
		
			
				|  |  | +     * needed.
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const isArray = (value, details) => {
 | 
	
		
			
				|  |  | +      if (!Array.isArray(value)) {
 | 
	
		
			
				|  |  | +        throw new WorkboxError('not-an-array', details);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const hasMethod = (object, expectedMethod, details) => {
 | 
	
		
			
				|  |  | +      const type = typeof object[expectedMethod];
 | 
	
		
			
				|  |  | +      if (type !== 'function') {
 | 
	
		
			
				|  |  | +        details['expectedMethod'] = expectedMethod;
 | 
	
		
			
				|  |  | +        throw new WorkboxError('missing-a-method', details);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const isType = (object, expectedType, details) => {
 | 
	
		
			
				|  |  | +      if (typeof object !== expectedType) {
 | 
	
		
			
				|  |  | +        details['expectedType'] = expectedType;
 | 
	
		
			
				|  |  | +        throw new WorkboxError('incorrect-type', details);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const isInstance = (object,
 | 
	
		
			
				|  |  | +    // Need the general type to do the check later.
 | 
	
		
			
				|  |  | +    // eslint-disable-next-line @typescript-eslint/ban-types
 | 
	
		
			
				|  |  | +    expectedClass, details) => {
 | 
	
		
			
				|  |  | +      if (!(object instanceof expectedClass)) {
 | 
	
		
			
				|  |  | +        details['expectedClassName'] = expectedClass.name;
 | 
	
		
			
				|  |  | +        throw new WorkboxError('incorrect-class', details);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const isOneOf = (value, validValues, details) => {
 | 
	
		
			
				|  |  | +      if (!validValues.includes(value)) {
 | 
	
		
			
				|  |  | +        details['validValueDescription'] = `Valid values are ${JSON.stringify(validValues)}.`;
 | 
	
		
			
				|  |  | +        throw new WorkboxError('invalid-value', details);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const isArrayOfClass = (value,
 | 
	
		
			
				|  |  | +    // Need general type to do check later.
 | 
	
		
			
				|  |  | +    expectedClass,
 | 
	
		
			
				|  |  | +    // eslint-disable-line
 | 
	
		
			
				|  |  | +    details) => {
 | 
	
		
			
				|  |  | +      const error = new WorkboxError('not-array-of-class', details);
 | 
	
		
			
				|  |  | +      if (!Array.isArray(value)) {
 | 
	
		
			
				|  |  | +        throw error;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      for (const item of value) {
 | 
	
		
			
				|  |  | +        if (!(item instanceof expectedClass)) {
 | 
	
		
			
				|  |  | +          throw error;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const finalAssertExports = {
 | 
	
		
			
				|  |  | +      hasMethod,
 | 
	
		
			
				|  |  | +      isArray,
 | 
	
		
			
				|  |  | +      isInstance,
 | 
	
		
			
				|  |  | +      isOneOf,
 | 
	
		
			
				|  |  | +      isType,
 | 
	
		
			
				|  |  | +      isArrayOfClass
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // @ts-ignore
 | 
	
		
			
				|  |  | +    try {
 | 
	
		
			
				|  |  | +      self['workbox:routing:7.0.0'] && _();
 | 
	
		
			
				|  |  | +    } catch (e) {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * The default HTTP method, 'GET', used when there's no specific method
 | 
	
		
			
				|  |  | +     * configured for a route.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @type {string}
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const defaultMethod = 'GET';
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * The list of valid HTTP methods associated with requests that could be routed.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @type {Array<string>}
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const validMethods = ['DELETE', 'GET', 'HEAD', 'PATCH', 'POST', 'PUT'];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * @param {function()|Object} handler Either a function, or an object with a
 | 
	
		
			
				|  |  | +     * 'handle' method.
 | 
	
		
			
				|  |  | +     * @return {Object} An object with a handle method.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const normalizeHandler = handler => {
 | 
	
		
			
				|  |  | +      if (handler && typeof handler === 'object') {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.hasMethod(handler, 'handle', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Route',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'handler'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return handler;
 | 
	
		
			
				|  |  | +      } else {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(handler, 'function', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Route',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'handler'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return {
 | 
	
		
			
				|  |  | +          handle: handler
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A `Route` consists of a pair of callback functions, "match" and "handler".
 | 
	
		
			
				|  |  | +     * The "match" callback determine if a route should be used to "handle" a
 | 
	
		
			
				|  |  | +     * request by returning a non-falsy value if it can. The "handler" callback
 | 
	
		
			
				|  |  | +     * is called when there is a match and should return a Promise that resolves
 | 
	
		
			
				|  |  | +     * to a `Response`.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-routing
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class Route {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Constructor for Route class.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing~matchCallback} match
 | 
	
		
			
				|  |  | +       * A callback function that determines whether the route matches a given
 | 
	
		
			
				|  |  | +       * `fetch` event by returning a non-falsy value.
 | 
	
		
			
				|  |  | +       * @param {workbox-routing~handlerCallback} handler A callback
 | 
	
		
			
				|  |  | +       * function that returns a Promise resolving to a Response.
 | 
	
		
			
				|  |  | +       * @param {string} [method='GET'] The HTTP method to match the Route
 | 
	
		
			
				|  |  | +       * against.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(match, handler, method = defaultMethod) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(match, 'function', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Route',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'match'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          if (method) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isOneOf(method, validMethods, {
 | 
	
		
			
				|  |  | +              paramName: 'method'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // These values are referenced directly by Router so cannot be
 | 
	
		
			
				|  |  | +        // altered by minificaton.
 | 
	
		
			
				|  |  | +        this.handler = normalizeHandler(handler);
 | 
	
		
			
				|  |  | +        this.match = match;
 | 
	
		
			
				|  |  | +        this.method = method;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing-handlerCallback} handler A callback
 | 
	
		
			
				|  |  | +       * function that returns a Promise resolving to a Response
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      setCatchHandler(handler) {
 | 
	
		
			
				|  |  | +        this.catchHandler = normalizeHandler(handler);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * RegExpRoute makes it easy to create a regular expression based
 | 
	
		
			
				|  |  | +     * {@link workbox-routing.Route}.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * For same-origin requests the RegExp only needs to match part of the URL. For
 | 
	
		
			
				|  |  | +     * requests against third-party servers, you must define a RegExp that matches
 | 
	
		
			
				|  |  | +     * the start of the URL.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-routing
 | 
	
		
			
				|  |  | +     * @extends workbox-routing.Route
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class RegExpRoute extends Route {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * If the regular expression contains
 | 
	
		
			
				|  |  | +       * [capture groups]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#grouping-back-references},
 | 
	
		
			
				|  |  | +       * the captured values will be passed to the
 | 
	
		
			
				|  |  | +       * {@link workbox-routing~handlerCallback} `params`
 | 
	
		
			
				|  |  | +       * argument.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {RegExp} regExp The regular expression to match against URLs.
 | 
	
		
			
				|  |  | +       * @param {workbox-routing~handlerCallback} handler A callback
 | 
	
		
			
				|  |  | +       * function that returns a Promise resulting in a Response.
 | 
	
		
			
				|  |  | +       * @param {string} [method='GET'] The HTTP method to match the Route
 | 
	
		
			
				|  |  | +       * against.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(regExp, handler, method) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isInstance(regExp, RegExp, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'RegExpRoute',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'pattern'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const match = ({
 | 
	
		
			
				|  |  | +          url
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          const result = regExp.exec(url.href);
 | 
	
		
			
				|  |  | +          // Return immediately if there's no match.
 | 
	
		
			
				|  |  | +          if (!result) {
 | 
	
		
			
				|  |  | +            return;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // Require that the match start at the first character in the URL string
 | 
	
		
			
				|  |  | +          // if it's a cross-origin request.
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/281 for the context
 | 
	
		
			
				|  |  | +          // behind this behavior.
 | 
	
		
			
				|  |  | +          if (url.origin !== location.origin && result.index !== 0) {
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              logger.debug(`The regular expression '${regExp.toString()}' only partially matched ` + `against the cross-origin URL '${url.toString()}'. RegExpRoute's will only ` + `handle cross-origin requests if they match the entire URL.`);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            return;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // If the route matches, but there aren't any capture groups defined, then
 | 
	
		
			
				|  |  | +          // this will return [], which is truthy and therefore sufficient to
 | 
	
		
			
				|  |  | +          // indicate a match.
 | 
	
		
			
				|  |  | +          // If there are capture groups, then it will return their values.
 | 
	
		
			
				|  |  | +          return result.slice(1);
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        super(match, handler, method);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    const getFriendlyURL = url => {
 | 
	
		
			
				|  |  | +      const urlObj = new URL(String(url), location.href);
 | 
	
		
			
				|  |  | +      // See https://github.com/GoogleChrome/workbox/issues/2323
 | 
	
		
			
				|  |  | +      // We want to include everything, except for the origin if it's same-origin.
 | 
	
		
			
				|  |  | +      return urlObj.href.replace(new RegExp(`^${location.origin}`), '');
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * The Router can be used to process a `FetchEvent` using one or more
 | 
	
		
			
				|  |  | +     * {@link workbox-routing.Route}, responding with a `Response` if
 | 
	
		
			
				|  |  | +     * a matching route exists.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * If no route matches a given a request, the Router will use a "default"
 | 
	
		
			
				|  |  | +     * handler if one is defined.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * Should the matching Route throw an error, the Router will use a "catch"
 | 
	
		
			
				|  |  | +     * handler if one is defined to gracefully deal with issues and respond with a
 | 
	
		
			
				|  |  | +     * Request.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * If a request matches multiple routes, the **earliest** registered route will
 | 
	
		
			
				|  |  | +     * be used to respond to the request.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-routing
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class Router {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Initializes a new Router.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor() {
 | 
	
		
			
				|  |  | +        this._routes = new Map();
 | 
	
		
			
				|  |  | +        this._defaultHandlerMap = new Map();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @return {Map<string, Array<workbox-routing.Route>>} routes A `Map` of HTTP
 | 
	
		
			
				|  |  | +       * method name ('GET', etc.) to an array of all the corresponding `Route`
 | 
	
		
			
				|  |  | +       * instances that are registered.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      get routes() {
 | 
	
		
			
				|  |  | +        return this._routes;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Adds a fetch event listener to respond to events when a route matches
 | 
	
		
			
				|  |  | +       * the event's request.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      addFetchListener() {
 | 
	
		
			
				|  |  | +        // See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705
 | 
	
		
			
				|  |  | +        self.addEventListener('fetch', event => {
 | 
	
		
			
				|  |  | +          const {
 | 
	
		
			
				|  |  | +            request
 | 
	
		
			
				|  |  | +          } = event;
 | 
	
		
			
				|  |  | +          const responsePromise = this.handleRequest({
 | 
	
		
			
				|  |  | +            request,
 | 
	
		
			
				|  |  | +            event
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          if (responsePromise) {
 | 
	
		
			
				|  |  | +            event.respondWith(responsePromise);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Adds a message event listener for URLs to cache from the window.
 | 
	
		
			
				|  |  | +       * This is useful to cache resources loaded on the page prior to when the
 | 
	
		
			
				|  |  | +       * service worker started controlling it.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The format of the message data sent from the window should be as follows.
 | 
	
		
			
				|  |  | +       * Where the `urlsToCache` array may consist of URL strings or an array of
 | 
	
		
			
				|  |  | +       * URL string + `requestInit` object (the same as you'd pass to `fetch()`).
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * ```
 | 
	
		
			
				|  |  | +       * {
 | 
	
		
			
				|  |  | +       *   type: 'CACHE_URLS',
 | 
	
		
			
				|  |  | +       *   payload: {
 | 
	
		
			
				|  |  | +       *     urlsToCache: [
 | 
	
		
			
				|  |  | +       *       './script1.js',
 | 
	
		
			
				|  |  | +       *       './script2.js',
 | 
	
		
			
				|  |  | +       *       ['./script3.js', {mode: 'no-cors'}],
 | 
	
		
			
				|  |  | +       *     ],
 | 
	
		
			
				|  |  | +       *   },
 | 
	
		
			
				|  |  | +       * }
 | 
	
		
			
				|  |  | +       * ```
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      addCacheListener() {
 | 
	
		
			
				|  |  | +        // See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705
 | 
	
		
			
				|  |  | +        self.addEventListener('message', event => {
 | 
	
		
			
				|  |  | +          // event.data is type 'any'
 | 
	
		
			
				|  |  | +          // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
 | 
	
		
			
				|  |  | +          if (event.data && event.data.type === 'CACHE_URLS') {
 | 
	
		
			
				|  |  | +            // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 | 
	
		
			
				|  |  | +            const {
 | 
	
		
			
				|  |  | +              payload
 | 
	
		
			
				|  |  | +            } = event.data;
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              logger.debug(`Caching URLs from the window`, payload.urlsToCache);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            const requestPromises = Promise.all(payload.urlsToCache.map(entry => {
 | 
	
		
			
				|  |  | +              if (typeof entry === 'string') {
 | 
	
		
			
				|  |  | +                entry = [entry];
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +              const request = new Request(...entry);
 | 
	
		
			
				|  |  | +              return this.handleRequest({
 | 
	
		
			
				|  |  | +                request,
 | 
	
		
			
				|  |  | +                event
 | 
	
		
			
				|  |  | +              });
 | 
	
		
			
				|  |  | +              // TODO(philipwalton): TypeScript errors without this typecast for
 | 
	
		
			
				|  |  | +              // some reason (probably a bug). The real type here should work but
 | 
	
		
			
				|  |  | +              // doesn't: `Array<Promise<Response> | undefined>`.
 | 
	
		
			
				|  |  | +            })); // TypeScript
 | 
	
		
			
				|  |  | +            event.waitUntil(requestPromises);
 | 
	
		
			
				|  |  | +            // If a MessageChannel was used, reply to the message on success.
 | 
	
		
			
				|  |  | +            if (event.ports && event.ports[0]) {
 | 
	
		
			
				|  |  | +              void requestPromises.then(() => event.ports[0].postMessage(true));
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Apply the routing rules to a FetchEvent object to get a Response from an
 | 
	
		
			
				|  |  | +       * appropriate Route's handler.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} options
 | 
	
		
			
				|  |  | +       * @param {Request} options.request The request to handle.
 | 
	
		
			
				|  |  | +       * @param {ExtendableEvent} options.event The event that triggered the
 | 
	
		
			
				|  |  | +       *     request.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response>|undefined} A promise is returned if a
 | 
	
		
			
				|  |  | +       *     registered route can handle the request. If there is no matching
 | 
	
		
			
				|  |  | +       *     route and there's no `defaultHandler`, `undefined` is returned.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      handleRequest({
 | 
	
		
			
				|  |  | +        request,
 | 
	
		
			
				|  |  | +        event
 | 
	
		
			
				|  |  | +      }) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isInstance(request, Request, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Router',
 | 
	
		
			
				|  |  | +            funcName: 'handleRequest',
 | 
	
		
			
				|  |  | +            paramName: 'options.request'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const url = new URL(request.url, location.href);
 | 
	
		
			
				|  |  | +        if (!url.protocol.startsWith('http')) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.debug(`Workbox Router only supports URLs that start with 'http'.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const sameOrigin = url.origin === location.origin;
 | 
	
		
			
				|  |  | +        const {
 | 
	
		
			
				|  |  | +          params,
 | 
	
		
			
				|  |  | +          route
 | 
	
		
			
				|  |  | +        } = this.findMatchingRoute({
 | 
	
		
			
				|  |  | +          event,
 | 
	
		
			
				|  |  | +          request,
 | 
	
		
			
				|  |  | +          sameOrigin,
 | 
	
		
			
				|  |  | +          url
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        let handler = route && route.handler;
 | 
	
		
			
				|  |  | +        const debugMessages = [];
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (handler) {
 | 
	
		
			
				|  |  | +            debugMessages.push([`Found a route to handle this request:`, route]);
 | 
	
		
			
				|  |  | +            if (params) {
 | 
	
		
			
				|  |  | +              debugMessages.push([`Passing the following params to the route's handler:`, params]);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // If we don't have a handler because there was no matching route, then
 | 
	
		
			
				|  |  | +        // fall back to defaultHandler if that's defined.
 | 
	
		
			
				|  |  | +        const method = request.method;
 | 
	
		
			
				|  |  | +        if (!handler && this._defaultHandlerMap.has(method)) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            debugMessages.push(`Failed to find a matching route. Falling ` + `back to the default handler for ${method}.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          handler = this._defaultHandlerMap.get(method);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (!handler) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            // No handler so Workbox will do nothing. If logs is set of debug
 | 
	
		
			
				|  |  | +            // i.e. verbose, we should print out this information.
 | 
	
		
			
				|  |  | +            logger.debug(`No route found for: ${getFriendlyURL(url)}`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          // We have a handler, meaning Workbox is going to handle the route.
 | 
	
		
			
				|  |  | +          // print the routing details to the console.
 | 
	
		
			
				|  |  | +          logger.groupCollapsed(`Router is responding to: ${getFriendlyURL(url)}`);
 | 
	
		
			
				|  |  | +          debugMessages.forEach(msg => {
 | 
	
		
			
				|  |  | +            if (Array.isArray(msg)) {
 | 
	
		
			
				|  |  | +              logger.log(...msg);
 | 
	
		
			
				|  |  | +            } else {
 | 
	
		
			
				|  |  | +              logger.log(msg);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          logger.groupEnd();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Wrap in try and catch in case the handle method throws a synchronous
 | 
	
		
			
				|  |  | +        // error. It should still callback to the catch handler.
 | 
	
		
			
				|  |  | +        let responsePromise;
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          responsePromise = handler.handle({
 | 
	
		
			
				|  |  | +            url,
 | 
	
		
			
				|  |  | +            request,
 | 
	
		
			
				|  |  | +            event,
 | 
	
		
			
				|  |  | +            params
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        } catch (err) {
 | 
	
		
			
				|  |  | +          responsePromise = Promise.reject(err);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Get route's catch handler, if it exists
 | 
	
		
			
				|  |  | +        const catchHandler = route && route.catchHandler;
 | 
	
		
			
				|  |  | +        if (responsePromise instanceof Promise && (this._catchHandler || catchHandler)) {
 | 
	
		
			
				|  |  | +          responsePromise = responsePromise.catch(async err => {
 | 
	
		
			
				|  |  | +            // If there's a route catch handler, process that first
 | 
	
		
			
				|  |  | +            if (catchHandler) {
 | 
	
		
			
				|  |  | +              {
 | 
	
		
			
				|  |  | +                // Still include URL here as it will be async from the console group
 | 
	
		
			
				|  |  | +                // and may not make sense without the URL
 | 
	
		
			
				|  |  | +                logger.groupCollapsed(`Error thrown when responding to: ` + ` ${getFriendlyURL(url)}. Falling back to route's Catch Handler.`);
 | 
	
		
			
				|  |  | +                logger.error(`Error thrown by:`, route);
 | 
	
		
			
				|  |  | +                logger.error(err);
 | 
	
		
			
				|  |  | +                logger.groupEnd();
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +              try {
 | 
	
		
			
				|  |  | +                return await catchHandler.handle({
 | 
	
		
			
				|  |  | +                  url,
 | 
	
		
			
				|  |  | +                  request,
 | 
	
		
			
				|  |  | +                  event,
 | 
	
		
			
				|  |  | +                  params
 | 
	
		
			
				|  |  | +                });
 | 
	
		
			
				|  |  | +              } catch (catchErr) {
 | 
	
		
			
				|  |  | +                if (catchErr instanceof Error) {
 | 
	
		
			
				|  |  | +                  err = catchErr;
 | 
	
		
			
				|  |  | +                }
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            if (this._catchHandler) {
 | 
	
		
			
				|  |  | +              {
 | 
	
		
			
				|  |  | +                // Still include URL here as it will be async from the console group
 | 
	
		
			
				|  |  | +                // and may not make sense without the URL
 | 
	
		
			
				|  |  | +                logger.groupCollapsed(`Error thrown when responding to: ` + ` ${getFriendlyURL(url)}. Falling back to global Catch Handler.`);
 | 
	
		
			
				|  |  | +                logger.error(`Error thrown by:`, route);
 | 
	
		
			
				|  |  | +                logger.error(err);
 | 
	
		
			
				|  |  | +                logger.groupEnd();
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +              return this._catchHandler.handle({
 | 
	
		
			
				|  |  | +                url,
 | 
	
		
			
				|  |  | +                request,
 | 
	
		
			
				|  |  | +                event
 | 
	
		
			
				|  |  | +              });
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            throw err;
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return responsePromise;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Checks a request and URL (and optionally an event) against the list of
 | 
	
		
			
				|  |  | +       * registered routes, and if there's a match, returns the corresponding
 | 
	
		
			
				|  |  | +       * route along with any params generated by the match.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} options
 | 
	
		
			
				|  |  | +       * @param {URL} options.url
 | 
	
		
			
				|  |  | +       * @param {boolean} options.sameOrigin The result of comparing `url.origin`
 | 
	
		
			
				|  |  | +       *     against the current origin.
 | 
	
		
			
				|  |  | +       * @param {Request} options.request The request to match.
 | 
	
		
			
				|  |  | +       * @param {Event} options.event The corresponding event.
 | 
	
		
			
				|  |  | +       * @return {Object} An object with `route` and `params` properties.
 | 
	
		
			
				|  |  | +       *     They are populated if a matching route was found or `undefined`
 | 
	
		
			
				|  |  | +       *     otherwise.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      findMatchingRoute({
 | 
	
		
			
				|  |  | +        url,
 | 
	
		
			
				|  |  | +        sameOrigin,
 | 
	
		
			
				|  |  | +        request,
 | 
	
		
			
				|  |  | +        event
 | 
	
		
			
				|  |  | +      }) {
 | 
	
		
			
				|  |  | +        const routes = this._routes.get(request.method) || [];
 | 
	
		
			
				|  |  | +        for (const route of routes) {
 | 
	
		
			
				|  |  | +          let params;
 | 
	
		
			
				|  |  | +          // route.match returns type any, not possible to change right now.
 | 
	
		
			
				|  |  | +          // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 | 
	
		
			
				|  |  | +          const matchResult = route.match({
 | 
	
		
			
				|  |  | +            url,
 | 
	
		
			
				|  |  | +            sameOrigin,
 | 
	
		
			
				|  |  | +            request,
 | 
	
		
			
				|  |  | +            event
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          if (matchResult) {
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              // Warn developers that using an async matchCallback is almost always
 | 
	
		
			
				|  |  | +              // not the right thing to do.
 | 
	
		
			
				|  |  | +              if (matchResult instanceof Promise) {
 | 
	
		
			
				|  |  | +                logger.warn(`While routing ${getFriendlyURL(url)}, an async ` + `matchCallback function was used. Please convert the ` + `following route to use a synchronous matchCallback function:`, route);
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            // See https://github.com/GoogleChrome/workbox/issues/2079
 | 
	
		
			
				|  |  | +            // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 | 
	
		
			
				|  |  | +            params = matchResult;
 | 
	
		
			
				|  |  | +            if (Array.isArray(params) && params.length === 0) {
 | 
	
		
			
				|  |  | +              // Instead of passing an empty array in as params, use undefined.
 | 
	
		
			
				|  |  | +              params = undefined;
 | 
	
		
			
				|  |  | +            } else if (matchResult.constructor === Object &&
 | 
	
		
			
				|  |  | +            // eslint-disable-line
 | 
	
		
			
				|  |  | +            Object.keys(matchResult).length === 0) {
 | 
	
		
			
				|  |  | +              // Instead of passing an empty object in as params, use undefined.
 | 
	
		
			
				|  |  | +              params = undefined;
 | 
	
		
			
				|  |  | +            } else if (typeof matchResult === 'boolean') {
 | 
	
		
			
				|  |  | +              // For the boolean value true (rather than just something truth-y),
 | 
	
		
			
				|  |  | +              // don't set params.
 | 
	
		
			
				|  |  | +              // See https://github.com/GoogleChrome/workbox/pull/2134#issuecomment-513924353
 | 
	
		
			
				|  |  | +              params = undefined;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            // Return early if have a match.
 | 
	
		
			
				|  |  | +            return {
 | 
	
		
			
				|  |  | +              route,
 | 
	
		
			
				|  |  | +              params
 | 
	
		
			
				|  |  | +            };
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // If no match was found above, return and empty object.
 | 
	
		
			
				|  |  | +        return {};
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Define a default `handler` that's called when no routes explicitly
 | 
	
		
			
				|  |  | +       * match the incoming request.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Each HTTP method ('GET', 'POST', etc.) gets its own default handler.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Without a default handler, unmatched requests will go against the
 | 
	
		
			
				|  |  | +       * network as if there were no service worker present.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing~handlerCallback} handler A callback
 | 
	
		
			
				|  |  | +       * function that returns a Promise resulting in a Response.
 | 
	
		
			
				|  |  | +       * @param {string} [method='GET'] The HTTP method to associate with this
 | 
	
		
			
				|  |  | +       * default handler. Each method has its own default.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      setDefaultHandler(handler, method = defaultMethod) {
 | 
	
		
			
				|  |  | +        this._defaultHandlerMap.set(method, normalizeHandler(handler));
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * If a Route throws an error while handling a request, this `handler`
 | 
	
		
			
				|  |  | +       * will be called and given a chance to provide a response.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing~handlerCallback} handler A callback
 | 
	
		
			
				|  |  | +       * function that returns a Promise resulting in a Response.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      setCatchHandler(handler) {
 | 
	
		
			
				|  |  | +        this._catchHandler = normalizeHandler(handler);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Registers a route with the router.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing.Route} route The route to register.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      registerRoute(route) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(route, 'object', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Router',
 | 
	
		
			
				|  |  | +            funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +            paramName: 'route'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          finalAssertExports.hasMethod(route, 'match', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Router',
 | 
	
		
			
				|  |  | +            funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +            paramName: 'route'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(route.handler, 'object', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Router',
 | 
	
		
			
				|  |  | +            funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +            paramName: 'route'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          finalAssertExports.hasMethod(route.handler, 'handle', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Router',
 | 
	
		
			
				|  |  | +            funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +            paramName: 'route.handler'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(route.method, 'string', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'Router',
 | 
	
		
			
				|  |  | +            funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +            paramName: 'route.method'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (!this._routes.has(route.method)) {
 | 
	
		
			
				|  |  | +          this._routes.set(route.method, []);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Give precedence to all of the earlier routes by adding this additional
 | 
	
		
			
				|  |  | +        // route to the end of the array.
 | 
	
		
			
				|  |  | +        this._routes.get(route.method).push(route);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Unregisters a route with the router.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing.Route} route The route to unregister.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      unregisterRoute(route) {
 | 
	
		
			
				|  |  | +        if (!this._routes.has(route.method)) {
 | 
	
		
			
				|  |  | +          throw new WorkboxError('unregister-route-but-not-found-with-method', {
 | 
	
		
			
				|  |  | +            method: route.method
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const routeIndex = this._routes.get(route.method).indexOf(route);
 | 
	
		
			
				|  |  | +        if (routeIndex > -1) {
 | 
	
		
			
				|  |  | +          this._routes.get(route.method).splice(routeIndex, 1);
 | 
	
		
			
				|  |  | +        } else {
 | 
	
		
			
				|  |  | +          throw new WorkboxError('unregister-route-route-not-registered');
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    let defaultRouter;
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Creates a new, singleton Router instance if one does not exist. If one
 | 
	
		
			
				|  |  | +     * does already exist, that instance is returned.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @return {Router}
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const getOrCreateDefaultRouter = () => {
 | 
	
		
			
				|  |  | +      if (!defaultRouter) {
 | 
	
		
			
				|  |  | +        defaultRouter = new Router();
 | 
	
		
			
				|  |  | +        // The helpers that use the default Router assume these listeners exist.
 | 
	
		
			
				|  |  | +        defaultRouter.addFetchListener();
 | 
	
		
			
				|  |  | +        defaultRouter.addCacheListener();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return defaultRouter;
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Easily register a RegExp, string, or function with a caching
 | 
	
		
			
				|  |  | +     * strategy to a singleton Router instance.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This method will generate a Route for you if needed and
 | 
	
		
			
				|  |  | +     * call {@link workbox-routing.Router#registerRoute}.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {RegExp|string|workbox-routing.Route~matchCallback|workbox-routing.Route} capture
 | 
	
		
			
				|  |  | +     * If the capture param is a `Route`, all other arguments will be ignored.
 | 
	
		
			
				|  |  | +     * @param {workbox-routing~handlerCallback} [handler] A callback
 | 
	
		
			
				|  |  | +     * function that returns a Promise resulting in a Response. This parameter
 | 
	
		
			
				|  |  | +     * is required if `capture` is not a `Route` object.
 | 
	
		
			
				|  |  | +     * @param {string} [method='GET'] The HTTP method to match the Route
 | 
	
		
			
				|  |  | +     * against.
 | 
	
		
			
				|  |  | +     * @return {workbox-routing.Route} The generated `Route`.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-routing
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function registerRoute(capture, handler, method) {
 | 
	
		
			
				|  |  | +      let route;
 | 
	
		
			
				|  |  | +      if (typeof capture === 'string') {
 | 
	
		
			
				|  |  | +        const captureUrl = new URL(capture, location.href);
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (!(capture.startsWith('/') || capture.startsWith('http'))) {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('invalid-string', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +              funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +              paramName: 'capture'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // We want to check if Express-style wildcards are in the pathname only.
 | 
	
		
			
				|  |  | +          // TODO: Remove this log message in v4.
 | 
	
		
			
				|  |  | +          const valueToCheck = capture.startsWith('http') ? captureUrl.pathname : capture;
 | 
	
		
			
				|  |  | +          // See https://github.com/pillarjs/path-to-regexp#parameters
 | 
	
		
			
				|  |  | +          const wildcards = '[*:?+]';
 | 
	
		
			
				|  |  | +          if (new RegExp(`${wildcards}`).exec(valueToCheck)) {
 | 
	
		
			
				|  |  | +            logger.debug(`The '$capture' parameter contains an Express-style wildcard ` + `character (${wildcards}). Strings are now always interpreted as ` + `exact matches; use a RegExp for partial or wildcard matches.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const matchCallback = ({
 | 
	
		
			
				|  |  | +          url
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            if (url.pathname === captureUrl.pathname && url.origin !== captureUrl.origin) {
 | 
	
		
			
				|  |  | +              logger.debug(`${capture} only partially matches the cross-origin URL ` + `${url.toString()}. This route will only handle cross-origin requests ` + `if they match the entire URL.`);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return url.href === captureUrl.href;
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        // If `capture` is a string then `handler` and `method` must be present.
 | 
	
		
			
				|  |  | +        route = new Route(matchCallback, handler, method);
 | 
	
		
			
				|  |  | +      } else if (capture instanceof RegExp) {
 | 
	
		
			
				|  |  | +        // If `capture` is a `RegExp` then `handler` and `method` must be present.
 | 
	
		
			
				|  |  | +        route = new RegExpRoute(capture, handler, method);
 | 
	
		
			
				|  |  | +      } else if (typeof capture === 'function') {
 | 
	
		
			
				|  |  | +        // If `capture` is a function then `handler` and `method` must be present.
 | 
	
		
			
				|  |  | +        route = new Route(capture, handler, method);
 | 
	
		
			
				|  |  | +      } else if (capture instanceof Route) {
 | 
	
		
			
				|  |  | +        route = capture;
 | 
	
		
			
				|  |  | +      } else {
 | 
	
		
			
				|  |  | +        throw new WorkboxError('unsupported-route-type', {
 | 
	
		
			
				|  |  | +          moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +          funcName: 'registerRoute',
 | 
	
		
			
				|  |  | +          paramName: 'capture'
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      const defaultRouter = getOrCreateDefaultRouter();
 | 
	
		
			
				|  |  | +      defaultRouter.registerRoute(route);
 | 
	
		
			
				|  |  | +      return route;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Returns a promise that resolves and the passed number of milliseconds.
 | 
	
		
			
				|  |  | +     * This utility is an async/await-friendly version of `setTimeout`.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {number} ms
 | 
	
		
			
				|  |  | +     * @return {Promise}
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function timeout(ms) {
 | 
	
		
			
				|  |  | +      return new Promise(resolve => setTimeout(resolve, ms));
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    const _cacheNameDetails = {
 | 
	
		
			
				|  |  | +      googleAnalytics: 'googleAnalytics',
 | 
	
		
			
				|  |  | +      precache: 'precache-v2',
 | 
	
		
			
				|  |  | +      prefix: 'workbox',
 | 
	
		
			
				|  |  | +      runtime: 'runtime',
 | 
	
		
			
				|  |  | +      suffix: typeof registration !== 'undefined' ? registration.scope : ''
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const _createCacheName = cacheName => {
 | 
	
		
			
				|  |  | +      return [_cacheNameDetails.prefix, cacheName, _cacheNameDetails.suffix].filter(value => value && value.length > 0).join('-');
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const eachCacheNameDetail = fn => {
 | 
	
		
			
				|  |  | +      for (const key of Object.keys(_cacheNameDetails)) {
 | 
	
		
			
				|  |  | +        fn(key);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    const cacheNames = {
 | 
	
		
			
				|  |  | +      updateDetails: details => {
 | 
	
		
			
				|  |  | +        eachCacheNameDetail(key => {
 | 
	
		
			
				|  |  | +          if (typeof details[key] === 'string') {
 | 
	
		
			
				|  |  | +            _cacheNameDetails[key] = details[key];
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      getGoogleAnalyticsName: userCacheName => {
 | 
	
		
			
				|  |  | +        return userCacheName || _createCacheName(_cacheNameDetails.googleAnalytics);
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      getPrecacheName: userCacheName => {
 | 
	
		
			
				|  |  | +        return userCacheName || _createCacheName(_cacheNameDetails.precache);
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      getPrefix: () => {
 | 
	
		
			
				|  |  | +        return _cacheNameDetails.prefix;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      getRuntimeName: userCacheName => {
 | 
	
		
			
				|  |  | +        return userCacheName || _createCacheName(_cacheNameDetails.runtime);
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      getSuffix: () => {
 | 
	
		
			
				|  |  | +        return _cacheNameDetails.suffix;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    function stripParams(fullURL, ignoreParams) {
 | 
	
		
			
				|  |  | +      const strippedURL = new URL(fullURL);
 | 
	
		
			
				|  |  | +      for (const param of ignoreParams) {
 | 
	
		
			
				|  |  | +        strippedURL.searchParams.delete(param);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return strippedURL.href;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Matches an item in the cache, ignoring specific URL params. This is similar
 | 
	
		
			
				|  |  | +     * to the `ignoreSearch` option, but it allows you to ignore just specific
 | 
	
		
			
				|  |  | +     * params (while continuing to match on the others).
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @param {Cache} cache
 | 
	
		
			
				|  |  | +     * @param {Request} request
 | 
	
		
			
				|  |  | +     * @param {Object} matchOptions
 | 
	
		
			
				|  |  | +     * @param {Array<string>} ignoreParams
 | 
	
		
			
				|  |  | +     * @return {Promise<Response|undefined>}
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    async function cacheMatchIgnoreParams(cache, request, ignoreParams, matchOptions) {
 | 
	
		
			
				|  |  | +      const strippedRequestURL = stripParams(request.url, ignoreParams);
 | 
	
		
			
				|  |  | +      // If the request doesn't include any ignored params, match as normal.
 | 
	
		
			
				|  |  | +      if (request.url === strippedRequestURL) {
 | 
	
		
			
				|  |  | +        return cache.match(request, matchOptions);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      // Otherwise, match by comparing keys
 | 
	
		
			
				|  |  | +      const keysOptions = Object.assign(Object.assign({}, matchOptions), {
 | 
	
		
			
				|  |  | +        ignoreSearch: true
 | 
	
		
			
				|  |  | +      });
 | 
	
		
			
				|  |  | +      const cacheKeys = await cache.keys(request, keysOptions);
 | 
	
		
			
				|  |  | +      for (const cacheKey of cacheKeys) {
 | 
	
		
			
				|  |  | +        const strippedCacheKeyURL = stripParams(cacheKey.url, ignoreParams);
 | 
	
		
			
				|  |  | +        if (strippedRequestURL === strippedCacheKeyURL) {
 | 
	
		
			
				|  |  | +          return cache.match(cacheKey, matchOptions);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * The Deferred class composes Promises in a way that allows for them to be
 | 
	
		
			
				|  |  | +     * resolved or rejected from outside the constructor. In most cases promises
 | 
	
		
			
				|  |  | +     * should be used directly, but Deferreds can be necessary when the logic to
 | 
	
		
			
				|  |  | +     * resolve a promise must be separate.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class Deferred {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Creates a promise and exposes its resolve and reject functions as methods.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor() {
 | 
	
		
			
				|  |  | +        this.promise = new Promise((resolve, reject) => {
 | 
	
		
			
				|  |  | +          this.resolve = resolve;
 | 
	
		
			
				|  |  | +          this.reject = reject;
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    // Callbacks to be executed whenever there's a quota error.
 | 
	
		
			
				|  |  | +    // Can't change Function type right now.
 | 
	
		
			
				|  |  | +    // eslint-disable-next-line @typescript-eslint/ban-types
 | 
	
		
			
				|  |  | +    const quotaErrorCallbacks = new Set();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Runs all of the callback functions, one at a time sequentially, in the order
 | 
	
		
			
				|  |  | +     * in which they were registered.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-core
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    async function executeQuotaErrorCallbacks() {
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        logger.log(`About to run ${quotaErrorCallbacks.size} ` + `callbacks to clean up caches.`);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      for (const callback of quotaErrorCallbacks) {
 | 
	
		
			
				|  |  | +        await callback();
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          logger.log(callback, 'is complete.');
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        logger.log('Finished running callbacks.');
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // @ts-ignore
 | 
	
		
			
				|  |  | +    try {
 | 
	
		
			
				|  |  | +      self['workbox:strategies:7.0.0'] && _();
 | 
	
		
			
				|  |  | +    } catch (e) {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    function toRequest(input) {
 | 
	
		
			
				|  |  | +      return typeof input === 'string' ? new Request(input) : input;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A class created every time a Strategy instance instance calls
 | 
	
		
			
				|  |  | +     * {@link workbox-strategies.Strategy~handle} or
 | 
	
		
			
				|  |  | +     * {@link workbox-strategies.Strategy~handleAll} that wraps all fetch and
 | 
	
		
			
				|  |  | +     * cache actions around plugin callbacks and keeps track of when the strategy
 | 
	
		
			
				|  |  | +     * is "done" (i.e. all added `event.waitUntil()` promises have resolved).
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-strategies
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class StrategyHandler {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Creates a new instance associated with the passed strategy and event
 | 
	
		
			
				|  |  | +       * that's handling the request.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The constructor also initializes the state that will be passed to each of
 | 
	
		
			
				|  |  | +       * the plugins handling this request.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-strategies.Strategy} strategy
 | 
	
		
			
				|  |  | +       * @param {Object} options
 | 
	
		
			
				|  |  | +       * @param {Request|string} options.request A request to run this strategy for.
 | 
	
		
			
				|  |  | +       * @param {ExtendableEvent} options.event The event associated with the
 | 
	
		
			
				|  |  | +       *     request.
 | 
	
		
			
				|  |  | +       * @param {URL} [options.url]
 | 
	
		
			
				|  |  | +       * @param {*} [options.params] The return value from the
 | 
	
		
			
				|  |  | +       *     {@link workbox-routing~matchCallback} (if applicable).
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(strategy, options) {
 | 
	
		
			
				|  |  | +        this._cacheKeys = {};
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * The request the strategy is performing (passed to the strategy's
 | 
	
		
			
				|  |  | +         * `handle()` or `handleAll()` method).
 | 
	
		
			
				|  |  | +         * @name request
 | 
	
		
			
				|  |  | +         * @instance
 | 
	
		
			
				|  |  | +         * @type {Request}
 | 
	
		
			
				|  |  | +         * @memberof workbox-strategies.StrategyHandler
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * The event associated with this request.
 | 
	
		
			
				|  |  | +         * @name event
 | 
	
		
			
				|  |  | +         * @instance
 | 
	
		
			
				|  |  | +         * @type {ExtendableEvent}
 | 
	
		
			
				|  |  | +         * @memberof workbox-strategies.StrategyHandler
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * A `URL` instance of `request.url` (if passed to the strategy's
 | 
	
		
			
				|  |  | +         * `handle()` or `handleAll()` method).
 | 
	
		
			
				|  |  | +         * Note: the `url` param will be present if the strategy was invoked
 | 
	
		
			
				|  |  | +         * from a workbox `Route` object.
 | 
	
		
			
				|  |  | +         * @name url
 | 
	
		
			
				|  |  | +         * @instance
 | 
	
		
			
				|  |  | +         * @type {URL|undefined}
 | 
	
		
			
				|  |  | +         * @memberof workbox-strategies.StrategyHandler
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * A `param` value (if passed to the strategy's
 | 
	
		
			
				|  |  | +         * `handle()` or `handleAll()` method).
 | 
	
		
			
				|  |  | +         * Note: the `param` param will be present if the strategy was invoked
 | 
	
		
			
				|  |  | +         * from a workbox `Route` object and the
 | 
	
		
			
				|  |  | +         * {@link workbox-routing~matchCallback} returned
 | 
	
		
			
				|  |  | +         * a truthy value (it will be that value).
 | 
	
		
			
				|  |  | +         * @name params
 | 
	
		
			
				|  |  | +         * @instance
 | 
	
		
			
				|  |  | +         * @type {*|undefined}
 | 
	
		
			
				|  |  | +         * @memberof workbox-strategies.StrategyHandler
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isInstance(options.event, ExtendableEvent, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-strategies',
 | 
	
		
			
				|  |  | +            className: 'StrategyHandler',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'options.event'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        Object.assign(this, options);
 | 
	
		
			
				|  |  | +        this.event = options.event;
 | 
	
		
			
				|  |  | +        this._strategy = strategy;
 | 
	
		
			
				|  |  | +        this._handlerDeferred = new Deferred();
 | 
	
		
			
				|  |  | +        this._extendLifetimePromises = [];
 | 
	
		
			
				|  |  | +        // Copy the plugins list (since it's mutable on the strategy),
 | 
	
		
			
				|  |  | +        // so any mutations don't affect this handler instance.
 | 
	
		
			
				|  |  | +        this._plugins = [...strategy.plugins];
 | 
	
		
			
				|  |  | +        this._pluginStateMap = new Map();
 | 
	
		
			
				|  |  | +        for (const plugin of this._plugins) {
 | 
	
		
			
				|  |  | +          this._pluginStateMap.set(plugin, {});
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        this.event.waitUntil(this._handlerDeferred.promise);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Fetches a given request (and invokes any applicable plugin callback
 | 
	
		
			
				|  |  | +       * methods) using the `fetchOptions` (for non-navigation requests) and
 | 
	
		
			
				|  |  | +       * `plugins` defined on the `Strategy` object.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The following plugin lifecycle methods are invoked when using this method:
 | 
	
		
			
				|  |  | +       * - `requestWillFetch()`
 | 
	
		
			
				|  |  | +       * - `fetchDidSucceed()`
 | 
	
		
			
				|  |  | +       * - `fetchDidFail()`
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Request|string} input The URL or request to fetch.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async fetch(input) {
 | 
	
		
			
				|  |  | +        const {
 | 
	
		
			
				|  |  | +          event
 | 
	
		
			
				|  |  | +        } = this;
 | 
	
		
			
				|  |  | +        let request = toRequest(input);
 | 
	
		
			
				|  |  | +        if (request.mode === 'navigate' && event instanceof FetchEvent && event.preloadResponse) {
 | 
	
		
			
				|  |  | +          const possiblePreloadResponse = await event.preloadResponse;
 | 
	
		
			
				|  |  | +          if (possiblePreloadResponse) {
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              logger.log(`Using a preloaded navigation response for ` + `'${getFriendlyURL(request.url)}'`);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            return possiblePreloadResponse;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // If there is a fetchDidFail plugin, we need to save a clone of the
 | 
	
		
			
				|  |  | +        // original request before it's either modified by a requestWillFetch
 | 
	
		
			
				|  |  | +        // plugin or before the original request's body is consumed via fetch().
 | 
	
		
			
				|  |  | +        const originalRequest = this.hasCallback('fetchDidFail') ? request.clone() : null;
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          for (const cb of this.iterateCallbacks('requestWillFetch')) {
 | 
	
		
			
				|  |  | +            request = await cb({
 | 
	
		
			
				|  |  | +              request: request.clone(),
 | 
	
		
			
				|  |  | +              event
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        } catch (err) {
 | 
	
		
			
				|  |  | +          if (err instanceof Error) {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('plugin-error-request-will-fetch', {
 | 
	
		
			
				|  |  | +              thrownErrorMessage: err.message
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // The request can be altered by plugins with `requestWillFetch` making
 | 
	
		
			
				|  |  | +        // the original request (most likely from a `fetch` event) different
 | 
	
		
			
				|  |  | +        // from the Request we make. Pass both to `fetchDidFail` to aid debugging.
 | 
	
		
			
				|  |  | +        const pluginFilteredRequest = request.clone();
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          let fetchResponse;
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/1796
 | 
	
		
			
				|  |  | +          fetchResponse = await fetch(request, request.mode === 'navigate' ? undefined : this._strategy.fetchOptions);
 | 
	
		
			
				|  |  | +          if ("development" !== 'production') {
 | 
	
		
			
				|  |  | +            logger.debug(`Network request for ` + `'${getFriendlyURL(request.url)}' returned a response with ` + `status '${fetchResponse.status}'.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          for (const callback of this.iterateCallbacks('fetchDidSucceed')) {
 | 
	
		
			
				|  |  | +            fetchResponse = await callback({
 | 
	
		
			
				|  |  | +              event,
 | 
	
		
			
				|  |  | +              request: pluginFilteredRequest,
 | 
	
		
			
				|  |  | +              response: fetchResponse
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return fetchResponse;
 | 
	
		
			
				|  |  | +        } catch (error) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.log(`Network request for ` + `'${getFriendlyURL(request.url)}' threw an error.`, error);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // `originalRequest` will only exist if a `fetchDidFail` callback
 | 
	
		
			
				|  |  | +          // is being used (see above).
 | 
	
		
			
				|  |  | +          if (originalRequest) {
 | 
	
		
			
				|  |  | +            await this.runCallbacks('fetchDidFail', {
 | 
	
		
			
				|  |  | +              error: error,
 | 
	
		
			
				|  |  | +              event,
 | 
	
		
			
				|  |  | +              originalRequest: originalRequest.clone(),
 | 
	
		
			
				|  |  | +              request: pluginFilteredRequest.clone()
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          throw error;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Calls `this.fetch()` and (in the background) runs `this.cachePut()` on
 | 
	
		
			
				|  |  | +       * the response generated by `this.fetch()`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The call to `this.cachePut()` automatically invokes `this.waitUntil()`,
 | 
	
		
			
				|  |  | +       * so you do not have to manually call `waitUntil()` on the event.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Request|string} input The request or URL to fetch and cache.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async fetchAndCachePut(input) {
 | 
	
		
			
				|  |  | +        const response = await this.fetch(input);
 | 
	
		
			
				|  |  | +        const responseClone = response.clone();
 | 
	
		
			
				|  |  | +        void this.waitUntil(this.cachePut(input, responseClone));
 | 
	
		
			
				|  |  | +        return response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Matches a request from the cache (and invokes any applicable plugin
 | 
	
		
			
				|  |  | +       * callback methods) using the `cacheName`, `matchOptions`, and `plugins`
 | 
	
		
			
				|  |  | +       * defined on the strategy object.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The following plugin lifecycle methods are invoked when using this method:
 | 
	
		
			
				|  |  | +       * - cacheKeyWillByUsed()
 | 
	
		
			
				|  |  | +       * - cachedResponseWillByUsed()
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Request|string} key The Request or URL to use as the cache key.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response|undefined>} A matching response, if found.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async cacheMatch(key) {
 | 
	
		
			
				|  |  | +        const request = toRequest(key);
 | 
	
		
			
				|  |  | +        let cachedResponse;
 | 
	
		
			
				|  |  | +        const {
 | 
	
		
			
				|  |  | +          cacheName,
 | 
	
		
			
				|  |  | +          matchOptions
 | 
	
		
			
				|  |  | +        } = this._strategy;
 | 
	
		
			
				|  |  | +        const effectiveRequest = await this.getCacheKey(request, 'read');
 | 
	
		
			
				|  |  | +        const multiMatchOptions = Object.assign(Object.assign({}, matchOptions), {
 | 
	
		
			
				|  |  | +          cacheName
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        cachedResponse = await caches.match(effectiveRequest, multiMatchOptions);
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (cachedResponse) {
 | 
	
		
			
				|  |  | +            logger.debug(`Found a cached response in '${cacheName}'.`);
 | 
	
		
			
				|  |  | +          } else {
 | 
	
		
			
				|  |  | +            logger.debug(`No cached response found in '${cacheName}'.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        for (const callback of this.iterateCallbacks('cachedResponseWillBeUsed')) {
 | 
	
		
			
				|  |  | +          cachedResponse = (await callback({
 | 
	
		
			
				|  |  | +            cacheName,
 | 
	
		
			
				|  |  | +            matchOptions,
 | 
	
		
			
				|  |  | +            cachedResponse,
 | 
	
		
			
				|  |  | +            request: effectiveRequest,
 | 
	
		
			
				|  |  | +            event: this.event
 | 
	
		
			
				|  |  | +          })) || undefined;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return cachedResponse;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Puts a request/response pair in the cache (and invokes any applicable
 | 
	
		
			
				|  |  | +       * plugin callback methods) using the `cacheName` and `plugins` defined on
 | 
	
		
			
				|  |  | +       * the strategy object.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The following plugin lifecycle methods are invoked when using this method:
 | 
	
		
			
				|  |  | +       * - cacheKeyWillByUsed()
 | 
	
		
			
				|  |  | +       * - cacheWillUpdate()
 | 
	
		
			
				|  |  | +       * - cacheDidUpdate()
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Request|string} key The request or URL to use as the cache key.
 | 
	
		
			
				|  |  | +       * @param {Response} response The response to cache.
 | 
	
		
			
				|  |  | +       * @return {Promise<boolean>} `false` if a cacheWillUpdate caused the response
 | 
	
		
			
				|  |  | +       * not be cached, and `true` otherwise.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async cachePut(key, response) {
 | 
	
		
			
				|  |  | +        const request = toRequest(key);
 | 
	
		
			
				|  |  | +        // Run in the next task to avoid blocking other cache reads.
 | 
	
		
			
				|  |  | +        // https://github.com/w3c/ServiceWorker/issues/1397
 | 
	
		
			
				|  |  | +        await timeout(0);
 | 
	
		
			
				|  |  | +        const effectiveRequest = await this.getCacheKey(request, 'write');
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (effectiveRequest.method && effectiveRequest.method !== 'GET') {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('attempt-to-cache-non-get-request', {
 | 
	
		
			
				|  |  | +              url: getFriendlyURL(effectiveRequest.url),
 | 
	
		
			
				|  |  | +              method: effectiveRequest.method
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/2818
 | 
	
		
			
				|  |  | +          const vary = response.headers.get('Vary');
 | 
	
		
			
				|  |  | +          if (vary) {
 | 
	
		
			
				|  |  | +            logger.debug(`The response for ${getFriendlyURL(effectiveRequest.url)} ` + `has a 'Vary: ${vary}' header. ` + `Consider setting the {ignoreVary: true} option on your strategy ` + `to ensure cache matching and deletion works as expected.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (!response) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.error(`Cannot cache non-existent response for ` + `'${getFriendlyURL(effectiveRequest.url)}'.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          throw new WorkboxError('cache-put-with-no-response', {
 | 
	
		
			
				|  |  | +            url: getFriendlyURL(effectiveRequest.url)
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const responseToCache = await this._ensureResponseSafeToCache(response);
 | 
	
		
			
				|  |  | +        if (!responseToCache) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.debug(`Response '${getFriendlyURL(effectiveRequest.url)}' ` + `will not be cached.`, responseToCache);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return false;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const {
 | 
	
		
			
				|  |  | +          cacheName,
 | 
	
		
			
				|  |  | +          matchOptions
 | 
	
		
			
				|  |  | +        } = this._strategy;
 | 
	
		
			
				|  |  | +        const cache = await self.caches.open(cacheName);
 | 
	
		
			
				|  |  | +        const hasCacheUpdateCallback = this.hasCallback('cacheDidUpdate');
 | 
	
		
			
				|  |  | +        const oldResponse = hasCacheUpdateCallback ? await cacheMatchIgnoreParams(
 | 
	
		
			
				|  |  | +        // TODO(philipwalton): the `__WB_REVISION__` param is a precaching
 | 
	
		
			
				|  |  | +        // feature. Consider into ways to only add this behavior if using
 | 
	
		
			
				|  |  | +        // precaching.
 | 
	
		
			
				|  |  | +        cache, effectiveRequest.clone(), ['__WB_REVISION__'], matchOptions) : null;
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          logger.debug(`Updating the '${cacheName}' cache with a new Response ` + `for ${getFriendlyURL(effectiveRequest.url)}.`);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          await cache.put(effectiveRequest, hasCacheUpdateCallback ? responseToCache.clone() : responseToCache);
 | 
	
		
			
				|  |  | +        } catch (error) {
 | 
	
		
			
				|  |  | +          if (error instanceof Error) {
 | 
	
		
			
				|  |  | +            // See https://developer.mozilla.org/en-US/docs/Web/API/DOMException#exception-QuotaExceededError
 | 
	
		
			
				|  |  | +            if (error.name === 'QuotaExceededError') {
 | 
	
		
			
				|  |  | +              await executeQuotaErrorCallbacks();
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            throw error;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        for (const callback of this.iterateCallbacks('cacheDidUpdate')) {
 | 
	
		
			
				|  |  | +          await callback({
 | 
	
		
			
				|  |  | +            cacheName,
 | 
	
		
			
				|  |  | +            oldResponse,
 | 
	
		
			
				|  |  | +            newResponse: responseToCache.clone(),
 | 
	
		
			
				|  |  | +            request: effectiveRequest,
 | 
	
		
			
				|  |  | +            event: this.event
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return true;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Checks the list of plugins for the `cacheKeyWillBeUsed` callback, and
 | 
	
		
			
				|  |  | +       * executes any of those callbacks found in sequence. The final `Request`
 | 
	
		
			
				|  |  | +       * object returned by the last plugin is treated as the cache key for cache
 | 
	
		
			
				|  |  | +       * reads and/or writes. If no `cacheKeyWillBeUsed` plugin callbacks have
 | 
	
		
			
				|  |  | +       * been registered, the passed request is returned unmodified
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Request} request
 | 
	
		
			
				|  |  | +       * @param {string} mode
 | 
	
		
			
				|  |  | +       * @return {Promise<Request>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async getCacheKey(request, mode) {
 | 
	
		
			
				|  |  | +        const key = `${request.url} | ${mode}`;
 | 
	
		
			
				|  |  | +        if (!this._cacheKeys[key]) {
 | 
	
		
			
				|  |  | +          let effectiveRequest = request;
 | 
	
		
			
				|  |  | +          for (const callback of this.iterateCallbacks('cacheKeyWillBeUsed')) {
 | 
	
		
			
				|  |  | +            effectiveRequest = toRequest(await callback({
 | 
	
		
			
				|  |  | +              mode,
 | 
	
		
			
				|  |  | +              request: effectiveRequest,
 | 
	
		
			
				|  |  | +              event: this.event,
 | 
	
		
			
				|  |  | +              // params has a type any can't change right now.
 | 
	
		
			
				|  |  | +              params: this.params // eslint-disable-line
 | 
	
		
			
				|  |  | +            }));
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +          this._cacheKeys[key] = effectiveRequest;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return this._cacheKeys[key];
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns true if the strategy has at least one plugin with the given
 | 
	
		
			
				|  |  | +       * callback.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} name The name of the callback to check for.
 | 
	
		
			
				|  |  | +       * @return {boolean}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      hasCallback(name) {
 | 
	
		
			
				|  |  | +        for (const plugin of this._strategy.plugins) {
 | 
	
		
			
				|  |  | +          if (name in plugin) {
 | 
	
		
			
				|  |  | +            return true;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return false;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Runs all plugin callbacks matching the given name, in order, passing the
 | 
	
		
			
				|  |  | +       * given param object (merged ith the current plugin state) as the only
 | 
	
		
			
				|  |  | +       * argument.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: since this method runs all plugins, it's not suitable for cases
 | 
	
		
			
				|  |  | +       * where the return value of a callback needs to be applied prior to calling
 | 
	
		
			
				|  |  | +       * the next callback. See
 | 
	
		
			
				|  |  | +       * {@link workbox-strategies.StrategyHandler#iterateCallbacks}
 | 
	
		
			
				|  |  | +       * below for how to handle that case.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} name The name of the callback to run within each plugin.
 | 
	
		
			
				|  |  | +       * @param {Object} param The object to pass as the first (and only) param
 | 
	
		
			
				|  |  | +       *     when executing each callback. This object will be merged with the
 | 
	
		
			
				|  |  | +       *     current plugin state prior to callback execution.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async runCallbacks(name, param) {
 | 
	
		
			
				|  |  | +        for (const callback of this.iterateCallbacks(name)) {
 | 
	
		
			
				|  |  | +          // TODO(philipwalton): not sure why `any` is needed. It seems like
 | 
	
		
			
				|  |  | +          // this should work with `as WorkboxPluginCallbackParam[C]`.
 | 
	
		
			
				|  |  | +          await callback(param);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Accepts a callback and returns an iterable of matching plugin callbacks,
 | 
	
		
			
				|  |  | +       * where each callback is wrapped with the current handler state (i.e. when
 | 
	
		
			
				|  |  | +       * you call each callback, whatever object parameter you pass it will
 | 
	
		
			
				|  |  | +       * be merged with the plugin's current state).
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} name The name fo the callback to run
 | 
	
		
			
				|  |  | +       * @return {Array<Function>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      *iterateCallbacks(name) {
 | 
	
		
			
				|  |  | +        for (const plugin of this._strategy.plugins) {
 | 
	
		
			
				|  |  | +          if (typeof plugin[name] === 'function') {
 | 
	
		
			
				|  |  | +            const state = this._pluginStateMap.get(plugin);
 | 
	
		
			
				|  |  | +            const statefulCallback = param => {
 | 
	
		
			
				|  |  | +              const statefulParam = Object.assign(Object.assign({}, param), {
 | 
	
		
			
				|  |  | +                state
 | 
	
		
			
				|  |  | +              });
 | 
	
		
			
				|  |  | +              // TODO(philipwalton): not sure why `any` is needed. It seems like
 | 
	
		
			
				|  |  | +              // this should work with `as WorkboxPluginCallbackParam[C]`.
 | 
	
		
			
				|  |  | +              return plugin[name](statefulParam);
 | 
	
		
			
				|  |  | +            };
 | 
	
		
			
				|  |  | +            yield statefulCallback;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Adds a promise to the
 | 
	
		
			
				|  |  | +       * [extend lifetime promises]{@link https://w3c.github.io/ServiceWorker/#extendableevent-extend-lifetime-promises}
 | 
	
		
			
				|  |  | +       * of the event event associated with the request being handled (usually a
 | 
	
		
			
				|  |  | +       * `FetchEvent`).
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: you can await
 | 
	
		
			
				|  |  | +       * {@link workbox-strategies.StrategyHandler~doneWaiting}
 | 
	
		
			
				|  |  | +       * to know when all added promises have settled.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Promise} promise A promise to add to the extend lifetime promises
 | 
	
		
			
				|  |  | +       *     of the event that triggered the request.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      waitUntil(promise) {
 | 
	
		
			
				|  |  | +        this._extendLifetimePromises.push(promise);
 | 
	
		
			
				|  |  | +        return promise;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns a promise that resolves once all promises passed to
 | 
	
		
			
				|  |  | +       * {@link workbox-strategies.StrategyHandler~waitUntil}
 | 
	
		
			
				|  |  | +       * have settled.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: any work done after `doneWaiting()` settles should be manually
 | 
	
		
			
				|  |  | +       * passed to an event's `waitUntil()` method (not this handler's
 | 
	
		
			
				|  |  | +       * `waitUntil()` method), otherwise the service worker thread my be killed
 | 
	
		
			
				|  |  | +       * prior to your work completing.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async doneWaiting() {
 | 
	
		
			
				|  |  | +        let promise;
 | 
	
		
			
				|  |  | +        while (promise = this._extendLifetimePromises.shift()) {
 | 
	
		
			
				|  |  | +          await promise;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Stops running the strategy and immediately resolves any pending
 | 
	
		
			
				|  |  | +       * `waitUntil()` promises.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      destroy() {
 | 
	
		
			
				|  |  | +        this._handlerDeferred.resolve(null);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * This method will call cacheWillUpdate on the available plugins (or use
 | 
	
		
			
				|  |  | +       * status === 200) to determine if the Response is safe and valid to cache.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Request} options.request
 | 
	
		
			
				|  |  | +       * @param {Response} options.response
 | 
	
		
			
				|  |  | +       * @return {Promise<Response|undefined>}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async _ensureResponseSafeToCache(response) {
 | 
	
		
			
				|  |  | +        let responseToCache = response;
 | 
	
		
			
				|  |  | +        let pluginsUsed = false;
 | 
	
		
			
				|  |  | +        for (const callback of this.iterateCallbacks('cacheWillUpdate')) {
 | 
	
		
			
				|  |  | +          responseToCache = (await callback({
 | 
	
		
			
				|  |  | +            request: this.request,
 | 
	
		
			
				|  |  | +            response: responseToCache,
 | 
	
		
			
				|  |  | +            event: this.event
 | 
	
		
			
				|  |  | +          })) || undefined;
 | 
	
		
			
				|  |  | +          pluginsUsed = true;
 | 
	
		
			
				|  |  | +          if (!responseToCache) {
 | 
	
		
			
				|  |  | +            break;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (!pluginsUsed) {
 | 
	
		
			
				|  |  | +          if (responseToCache && responseToCache.status !== 200) {
 | 
	
		
			
				|  |  | +            responseToCache = undefined;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            if (responseToCache) {
 | 
	
		
			
				|  |  | +              if (responseToCache.status !== 200) {
 | 
	
		
			
				|  |  | +                if (responseToCache.status === 0) {
 | 
	
		
			
				|  |  | +                  logger.warn(`The response for '${this.request.url}' ` + `is an opaque response. The caching strategy that you're ` + `using will not cache opaque responses by default.`);
 | 
	
		
			
				|  |  | +                } else {
 | 
	
		
			
				|  |  | +                  logger.debug(`The response for '${this.request.url}' ` + `returned a status code of '${response.status}' and won't ` + `be cached as a result.`);
 | 
	
		
			
				|  |  | +                }
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return responseToCache;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * An abstract base class that all other strategy classes must extend from:
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-strategies
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class Strategy {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Creates a new instance of the strategy and sets all documented option
 | 
	
		
			
				|  |  | +       * properties as public instance properties.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: if a custom strategy class extends the base Strategy class and does
 | 
	
		
			
				|  |  | +       * not need more than these properties, it does not need to define its own
 | 
	
		
			
				|  |  | +       * constructor.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} [options]
 | 
	
		
			
				|  |  | +       * @param {string} [options.cacheName] Cache name to store and retrieve
 | 
	
		
			
				|  |  | +       * requests. Defaults to the cache names provided by
 | 
	
		
			
				|  |  | +       * {@link workbox-core.cacheNames}.
 | 
	
		
			
				|  |  | +       * @param {Array<Object>} [options.plugins] [Plugins]{@link https://developers.google.com/web/tools/workbox/guides/using-plugins}
 | 
	
		
			
				|  |  | +       * to use in conjunction with this caching strategy.
 | 
	
		
			
				|  |  | +       * @param {Object} [options.fetchOptions] Values passed along to the
 | 
	
		
			
				|  |  | +       * [`init`](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters)
 | 
	
		
			
				|  |  | +       * of [non-navigation](https://github.com/GoogleChrome/workbox/issues/1796)
 | 
	
		
			
				|  |  | +       * `fetch()` requests made by this strategy.
 | 
	
		
			
				|  |  | +       * @param {Object} [options.matchOptions] The
 | 
	
		
			
				|  |  | +       * [`CacheQueryOptions`]{@link https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions}
 | 
	
		
			
				|  |  | +       * for any `cache.match()` or `cache.put()` calls made by this strategy.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(options = {}) {
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * Cache name to store and retrieve
 | 
	
		
			
				|  |  | +         * requests. Defaults to the cache names provided by
 | 
	
		
			
				|  |  | +         * {@link workbox-core.cacheNames}.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @type {string}
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.cacheName = cacheNames.getRuntimeName(options.cacheName);
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * The list
 | 
	
		
			
				|  |  | +         * [Plugins]{@link https://developers.google.com/web/tools/workbox/guides/using-plugins}
 | 
	
		
			
				|  |  | +         * used by this strategy.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @type {Array<Object>}
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.plugins = options.plugins || [];
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * Values passed along to the
 | 
	
		
			
				|  |  | +         * [`init`]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters}
 | 
	
		
			
				|  |  | +         * of all fetch() requests made by this strategy.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @type {Object}
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.fetchOptions = options.fetchOptions;
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * The
 | 
	
		
			
				|  |  | +         * [`CacheQueryOptions`]{@link https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions}
 | 
	
		
			
				|  |  | +         * for any `cache.match()` or `cache.put()` calls made by this strategy.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @type {Object}
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.matchOptions = options.matchOptions;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Perform a request strategy and returns a `Promise` that will resolve with
 | 
	
		
			
				|  |  | +       * a `Response`, invoking all relevant plugin callbacks.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * When a strategy instance is registered with a Workbox
 | 
	
		
			
				|  |  | +       * {@link workbox-routing.Route}, this method is automatically
 | 
	
		
			
				|  |  | +       * called when the route matches.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Alternatively, this method can be used in a standalone `FetchEvent`
 | 
	
		
			
				|  |  | +       * listener by passing it to `event.respondWith()`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {FetchEvent|Object} options A `FetchEvent` or an object with the
 | 
	
		
			
				|  |  | +       *     properties listed below.
 | 
	
		
			
				|  |  | +       * @param {Request|string} options.request A request to run this strategy for.
 | 
	
		
			
				|  |  | +       * @param {ExtendableEvent} options.event The event associated with the
 | 
	
		
			
				|  |  | +       *     request.
 | 
	
		
			
				|  |  | +       * @param {URL} [options.url]
 | 
	
		
			
				|  |  | +       * @param {*} [options.params]
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      handle(options) {
 | 
	
		
			
				|  |  | +        const [responseDone] = this.handleAll(options);
 | 
	
		
			
				|  |  | +        return responseDone;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Similar to {@link workbox-strategies.Strategy~handle}, but
 | 
	
		
			
				|  |  | +       * instead of just returning a `Promise` that resolves to a `Response` it
 | 
	
		
			
				|  |  | +       * it will return an tuple of `[response, done]` promises, where the former
 | 
	
		
			
				|  |  | +       * (`response`) is equivalent to what `handle()` returns, and the latter is a
 | 
	
		
			
				|  |  | +       * Promise that will resolve once any promises that were added to
 | 
	
		
			
				|  |  | +       * `event.waitUntil()` as part of performing the strategy have completed.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * You can await the `done` promise to ensure any extra work performed by
 | 
	
		
			
				|  |  | +       * the strategy (usually caching responses) completes successfully.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {FetchEvent|Object} options A `FetchEvent` or an object with the
 | 
	
		
			
				|  |  | +       *     properties listed below.
 | 
	
		
			
				|  |  | +       * @param {Request|string} options.request A request to run this strategy for.
 | 
	
		
			
				|  |  | +       * @param {ExtendableEvent} options.event The event associated with the
 | 
	
		
			
				|  |  | +       *     request.
 | 
	
		
			
				|  |  | +       * @param {URL} [options.url]
 | 
	
		
			
				|  |  | +       * @param {*} [options.params]
 | 
	
		
			
				|  |  | +       * @return {Array<Promise>} A tuple of [response, done]
 | 
	
		
			
				|  |  | +       *     promises that can be used to determine when the response resolves as
 | 
	
		
			
				|  |  | +       *     well as when the handler has completed all its work.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      handleAll(options) {
 | 
	
		
			
				|  |  | +        // Allow for flexible options to be passed.
 | 
	
		
			
				|  |  | +        if (options instanceof FetchEvent) {
 | 
	
		
			
				|  |  | +          options = {
 | 
	
		
			
				|  |  | +            event: options,
 | 
	
		
			
				|  |  | +            request: options.request
 | 
	
		
			
				|  |  | +          };
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const event = options.event;
 | 
	
		
			
				|  |  | +        const request = typeof options.request === 'string' ? new Request(options.request) : options.request;
 | 
	
		
			
				|  |  | +        const params = 'params' in options ? options.params : undefined;
 | 
	
		
			
				|  |  | +        const handler = new StrategyHandler(this, {
 | 
	
		
			
				|  |  | +          event,
 | 
	
		
			
				|  |  | +          request,
 | 
	
		
			
				|  |  | +          params
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        const responseDone = this._getResponse(handler, request, event);
 | 
	
		
			
				|  |  | +        const handlerDone = this._awaitComplete(responseDone, handler, request, event);
 | 
	
		
			
				|  |  | +        // Return an array of promises, suitable for use with Promise.all().
 | 
	
		
			
				|  |  | +        return [responseDone, handlerDone];
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      async _getResponse(handler, request, event) {
 | 
	
		
			
				|  |  | +        await handler.runCallbacks('handlerWillStart', {
 | 
	
		
			
				|  |  | +          event,
 | 
	
		
			
				|  |  | +          request
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        let response = undefined;
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          response = await this._handle(request, handler);
 | 
	
		
			
				|  |  | +          // The "official" Strategy subclasses all throw this error automatically,
 | 
	
		
			
				|  |  | +          // but in case a third-party Strategy doesn't, ensure that we have a
 | 
	
		
			
				|  |  | +          // consistent failure when there's no response or an error response.
 | 
	
		
			
				|  |  | +          if (!response || response.type === 'error') {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('no-response', {
 | 
	
		
			
				|  |  | +              url: request.url
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        } catch (error) {
 | 
	
		
			
				|  |  | +          if (error instanceof Error) {
 | 
	
		
			
				|  |  | +            for (const callback of handler.iterateCallbacks('handlerDidError')) {
 | 
	
		
			
				|  |  | +              response = await callback({
 | 
	
		
			
				|  |  | +                error,
 | 
	
		
			
				|  |  | +                event,
 | 
	
		
			
				|  |  | +                request
 | 
	
		
			
				|  |  | +              });
 | 
	
		
			
				|  |  | +              if (response) {
 | 
	
		
			
				|  |  | +                break;
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (!response) {
 | 
	
		
			
				|  |  | +            throw error;
 | 
	
		
			
				|  |  | +          } else {
 | 
	
		
			
				|  |  | +            logger.log(`While responding to '${getFriendlyURL(request.url)}', ` + `an ${error instanceof Error ? error.toString() : ''} error occurred. Using a fallback response provided by ` + `a handlerDidError plugin.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        for (const callback of handler.iterateCallbacks('handlerWillRespond')) {
 | 
	
		
			
				|  |  | +          response = await callback({
 | 
	
		
			
				|  |  | +            event,
 | 
	
		
			
				|  |  | +            request,
 | 
	
		
			
				|  |  | +            response
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      async _awaitComplete(responseDone, handler, request, event) {
 | 
	
		
			
				|  |  | +        let response;
 | 
	
		
			
				|  |  | +        let error;
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          response = await responseDone;
 | 
	
		
			
				|  |  | +        } catch (error) {
 | 
	
		
			
				|  |  | +          // Ignore errors, as response errors should be caught via the `response`
 | 
	
		
			
				|  |  | +          // promise above. The `done` promise will only throw for errors in
 | 
	
		
			
				|  |  | +          // promises passed to `handler.waitUntil()`.
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          await handler.runCallbacks('handlerDidRespond', {
 | 
	
		
			
				|  |  | +            event,
 | 
	
		
			
				|  |  | +            request,
 | 
	
		
			
				|  |  | +            response
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          await handler.doneWaiting();
 | 
	
		
			
				|  |  | +        } catch (waitUntilError) {
 | 
	
		
			
				|  |  | +          if (waitUntilError instanceof Error) {
 | 
	
		
			
				|  |  | +            error = waitUntilError;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        await handler.runCallbacks('handlerDidComplete', {
 | 
	
		
			
				|  |  | +          event,
 | 
	
		
			
				|  |  | +          request,
 | 
	
		
			
				|  |  | +          response,
 | 
	
		
			
				|  |  | +          error: error
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        handler.destroy();
 | 
	
		
			
				|  |  | +        if (error) {
 | 
	
		
			
				|  |  | +          throw error;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Classes extending the `Strategy` based class should implement this method,
 | 
	
		
			
				|  |  | +     * and leverage the {@link workbox-strategies.StrategyHandler}
 | 
	
		
			
				|  |  | +     * arg to perform all fetching and cache logic, which will ensure all relevant
 | 
	
		
			
				|  |  | +     * cache, cache options, fetch options and plugins are used (per the current
 | 
	
		
			
				|  |  | +     * strategy instance).
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @name _handle
 | 
	
		
			
				|  |  | +     * @instance
 | 
	
		
			
				|  |  | +     * @abstract
 | 
	
		
			
				|  |  | +     * @function
 | 
	
		
			
				|  |  | +     * @param {Request} request
 | 
	
		
			
				|  |  | +     * @param {workbox-strategies.StrategyHandler} handler
 | 
	
		
			
				|  |  | +     * @return {Promise<Response>}
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-strategies.Strategy
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    const messages = {
 | 
	
		
			
				|  |  | +      strategyStart: (strategyName, request) => `Using ${strategyName} to respond to '${getFriendlyURL(request.url)}'`,
 | 
	
		
			
				|  |  | +      printFinalResponse: response => {
 | 
	
		
			
				|  |  | +        if (response) {
 | 
	
		
			
				|  |  | +          logger.groupCollapsed(`View the final response here.`);
 | 
	
		
			
				|  |  | +          logger.log(response || '[No response returned]');
 | 
	
		
			
				|  |  | +          logger.groupEnd();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * An implementation of a
 | 
	
		
			
				|  |  | +     * [network-only](https://developer.chrome.com/docs/workbox/caching-strategies-overview/#network-only)
 | 
	
		
			
				|  |  | +     * request strategy.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This class is useful if you want to take advantage of any
 | 
	
		
			
				|  |  | +     * [Workbox plugins](https://developer.chrome.com/docs/workbox/using-plugins/).
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * If the network request fails, this will throw a `WorkboxError` exception.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @extends workbox-strategies.Strategy
 | 
	
		
			
				|  |  | +     * @memberof workbox-strategies
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class NetworkOnly extends Strategy {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @param {Object} [options]
 | 
	
		
			
				|  |  | +       * @param {Array<Object>} [options.plugins] [Plugins]{@link https://developers.google.com/web/tools/workbox/guides/using-plugins}
 | 
	
		
			
				|  |  | +       * to use in conjunction with this caching strategy.
 | 
	
		
			
				|  |  | +       * @param {Object} [options.fetchOptions] Values passed along to the
 | 
	
		
			
				|  |  | +       * [`init`](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters)
 | 
	
		
			
				|  |  | +       * of [non-navigation](https://github.com/GoogleChrome/workbox/issues/1796)
 | 
	
		
			
				|  |  | +       * `fetch()` requests made by this strategy.
 | 
	
		
			
				|  |  | +       * @param {number} [options.networkTimeoutSeconds] If set, any network requests
 | 
	
		
			
				|  |  | +       * that fail to respond within the timeout will result in a network error.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(options = {}) {
 | 
	
		
			
				|  |  | +        super(options);
 | 
	
		
			
				|  |  | +        this._networkTimeoutSeconds = options.networkTimeoutSeconds || 0;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       * @param {Request|string} request A request to run this strategy for.
 | 
	
		
			
				|  |  | +       * @param {workbox-strategies.StrategyHandler} handler The event that
 | 
	
		
			
				|  |  | +       *     triggered the request.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async _handle(request, handler) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isInstance(request, Request, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-strategies',
 | 
	
		
			
				|  |  | +            className: this.constructor.name,
 | 
	
		
			
				|  |  | +            funcName: '_handle',
 | 
	
		
			
				|  |  | +            paramName: 'request'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        let error = undefined;
 | 
	
		
			
				|  |  | +        let response;
 | 
	
		
			
				|  |  | +        try {
 | 
	
		
			
				|  |  | +          const promises = [handler.fetch(request)];
 | 
	
		
			
				|  |  | +          if (this._networkTimeoutSeconds) {
 | 
	
		
			
				|  |  | +            const timeoutPromise = timeout(this._networkTimeoutSeconds * 1000);
 | 
	
		
			
				|  |  | +            promises.push(timeoutPromise);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          response = await Promise.race(promises);
 | 
	
		
			
				|  |  | +          if (!response) {
 | 
	
		
			
				|  |  | +            throw new Error(`Timed out the network response after ` + `${this._networkTimeoutSeconds} seconds.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        } catch (err) {
 | 
	
		
			
				|  |  | +          if (err instanceof Error) {
 | 
	
		
			
				|  |  | +            error = err;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          logger.groupCollapsed(messages.strategyStart(this.constructor.name, request));
 | 
	
		
			
				|  |  | +          if (response) {
 | 
	
		
			
				|  |  | +            logger.log(`Got response from network.`);
 | 
	
		
			
				|  |  | +          } else {
 | 
	
		
			
				|  |  | +            logger.log(`Unable to get a response from the network.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          messages.printFinalResponse(response);
 | 
	
		
			
				|  |  | +          logger.groupEnd();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (!response) {
 | 
	
		
			
				|  |  | +          throw new WorkboxError('no-response', {
 | 
	
		
			
				|  |  | +            url: request.url,
 | 
	
		
			
				|  |  | +            error
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A helper function that prevents a promise from being flagged as unused.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     **/
 | 
	
		
			
				|  |  | +    function dontWaitFor(promise) {
 | 
	
		
			
				|  |  | +      // Effective no-op.
 | 
	
		
			
				|  |  | +      void promise.then(() => {});
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Adds a function to the set of quotaErrorCallbacks that will be executed if
 | 
	
		
			
				|  |  | +     * there's a quota error.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {Function} callback
 | 
	
		
			
				|  |  | +     * @memberof workbox-core
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    // Can't change Function type
 | 
	
		
			
				|  |  | +    // eslint-disable-next-line @typescript-eslint/ban-types
 | 
	
		
			
				|  |  | +    function registerQuotaErrorCallback(callback) {
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        finalAssertExports.isType(callback, 'function', {
 | 
	
		
			
				|  |  | +          moduleName: 'workbox-core',
 | 
	
		
			
				|  |  | +          funcName: 'register',
 | 
	
		
			
				|  |  | +          paramName: 'callback'
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      quotaErrorCallbacks.add(callback);
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        logger.log('Registered a callback to respond to quota errors.', callback);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    function _extends() {
 | 
	
		
			
				|  |  | +      _extends = Object.assign ? Object.assign.bind() : function (target) {
 | 
	
		
			
				|  |  | +        for (var i = 1; i < arguments.length; i++) {
 | 
	
		
			
				|  |  | +          var source = arguments[i];
 | 
	
		
			
				|  |  | +          for (var key in source) {
 | 
	
		
			
				|  |  | +            if (Object.prototype.hasOwnProperty.call(source, key)) {
 | 
	
		
			
				|  |  | +              target[key] = source[key];
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return target;
 | 
	
		
			
				|  |  | +      };
 | 
	
		
			
				|  |  | +      return _extends.apply(this, arguments);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    const instanceOfAny = (object, constructors) => constructors.some(c => object instanceof c);
 | 
	
		
			
				|  |  | +    let idbProxyableTypes;
 | 
	
		
			
				|  |  | +    let cursorAdvanceMethods;
 | 
	
		
			
				|  |  | +    // This is a function to prevent it throwing up in node environments.
 | 
	
		
			
				|  |  | +    function getIdbProxyableTypes() {
 | 
	
		
			
				|  |  | +      return idbProxyableTypes || (idbProxyableTypes = [IDBDatabase, IDBObjectStore, IDBIndex, IDBCursor, IDBTransaction]);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    // This is a function to prevent it throwing up in node environments.
 | 
	
		
			
				|  |  | +    function getCursorAdvanceMethods() {
 | 
	
		
			
				|  |  | +      return cursorAdvanceMethods || (cursorAdvanceMethods = [IDBCursor.prototype.advance, IDBCursor.prototype.continue, IDBCursor.prototype.continuePrimaryKey]);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    const cursorRequestMap = new WeakMap();
 | 
	
		
			
				|  |  | +    const transactionDoneMap = new WeakMap();
 | 
	
		
			
				|  |  | +    const transactionStoreNamesMap = new WeakMap();
 | 
	
		
			
				|  |  | +    const transformCache = new WeakMap();
 | 
	
		
			
				|  |  | +    const reverseTransformCache = new WeakMap();
 | 
	
		
			
				|  |  | +    function promisifyRequest(request) {
 | 
	
		
			
				|  |  | +      const promise = new Promise((resolve, reject) => {
 | 
	
		
			
				|  |  | +        const unlisten = () => {
 | 
	
		
			
				|  |  | +          request.removeEventListener('success', success);
 | 
	
		
			
				|  |  | +          request.removeEventListener('error', error);
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        const success = () => {
 | 
	
		
			
				|  |  | +          resolve(wrap(request.result));
 | 
	
		
			
				|  |  | +          unlisten();
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        const error = () => {
 | 
	
		
			
				|  |  | +          reject(request.error);
 | 
	
		
			
				|  |  | +          unlisten();
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        request.addEventListener('success', success);
 | 
	
		
			
				|  |  | +        request.addEventListener('error', error);
 | 
	
		
			
				|  |  | +      });
 | 
	
		
			
				|  |  | +      promise.then(value => {
 | 
	
		
			
				|  |  | +        // Since cursoring reuses the IDBRequest (*sigh*), we cache it for later retrieval
 | 
	
		
			
				|  |  | +        // (see wrapFunction).
 | 
	
		
			
				|  |  | +        if (value instanceof IDBCursor) {
 | 
	
		
			
				|  |  | +          cursorRequestMap.set(value, request);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Catching to avoid "Uncaught Promise exceptions"
 | 
	
		
			
				|  |  | +      }).catch(() => {});
 | 
	
		
			
				|  |  | +      // This mapping exists in reverseTransformCache but doesn't doesn't exist in transformCache. This
 | 
	
		
			
				|  |  | +      // is because we create many promises from a single IDBRequest.
 | 
	
		
			
				|  |  | +      reverseTransformCache.set(promise, request);
 | 
	
		
			
				|  |  | +      return promise;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    function cacheDonePromiseForTransaction(tx) {
 | 
	
		
			
				|  |  | +      // Early bail if we've already created a done promise for this transaction.
 | 
	
		
			
				|  |  | +      if (transactionDoneMap.has(tx)) return;
 | 
	
		
			
				|  |  | +      const done = new Promise((resolve, reject) => {
 | 
	
		
			
				|  |  | +        const unlisten = () => {
 | 
	
		
			
				|  |  | +          tx.removeEventListener('complete', complete);
 | 
	
		
			
				|  |  | +          tx.removeEventListener('error', error);
 | 
	
		
			
				|  |  | +          tx.removeEventListener('abort', error);
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        const complete = () => {
 | 
	
		
			
				|  |  | +          resolve();
 | 
	
		
			
				|  |  | +          unlisten();
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        const error = () => {
 | 
	
		
			
				|  |  | +          reject(tx.error || new DOMException('AbortError', 'AbortError'));
 | 
	
		
			
				|  |  | +          unlisten();
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        tx.addEventListener('complete', complete);
 | 
	
		
			
				|  |  | +        tx.addEventListener('error', error);
 | 
	
		
			
				|  |  | +        tx.addEventListener('abort', error);
 | 
	
		
			
				|  |  | +      });
 | 
	
		
			
				|  |  | +      // Cache it for later retrieval.
 | 
	
		
			
				|  |  | +      transactionDoneMap.set(tx, done);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    let idbProxyTraps = {
 | 
	
		
			
				|  |  | +      get(target, prop, receiver) {
 | 
	
		
			
				|  |  | +        if (target instanceof IDBTransaction) {
 | 
	
		
			
				|  |  | +          // Special handling for transaction.done.
 | 
	
		
			
				|  |  | +          if (prop === 'done') return transactionDoneMap.get(target);
 | 
	
		
			
				|  |  | +          // Polyfill for objectStoreNames because of Edge.
 | 
	
		
			
				|  |  | +          if (prop === 'objectStoreNames') {
 | 
	
		
			
				|  |  | +            return target.objectStoreNames || transactionStoreNamesMap.get(target);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // Make tx.store return the only store in the transaction, or undefined if there are many.
 | 
	
		
			
				|  |  | +          if (prop === 'store') {
 | 
	
		
			
				|  |  | +            return receiver.objectStoreNames[1] ? undefined : receiver.objectStore(receiver.objectStoreNames[0]);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Else transform whatever we get back.
 | 
	
		
			
				|  |  | +        return wrap(target[prop]);
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      set(target, prop, value) {
 | 
	
		
			
				|  |  | +        target[prop] = value;
 | 
	
		
			
				|  |  | +        return true;
 | 
	
		
			
				|  |  | +      },
 | 
	
		
			
				|  |  | +      has(target, prop) {
 | 
	
		
			
				|  |  | +        if (target instanceof IDBTransaction && (prop === 'done' || prop === 'store')) {
 | 
	
		
			
				|  |  | +          return true;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return prop in target;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    function replaceTraps(callback) {
 | 
	
		
			
				|  |  | +      idbProxyTraps = callback(idbProxyTraps);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    function wrapFunction(func) {
 | 
	
		
			
				|  |  | +      // Due to expected object equality (which is enforced by the caching in `wrap`), we
 | 
	
		
			
				|  |  | +      // only create one new func per func.
 | 
	
		
			
				|  |  | +      // Edge doesn't support objectStoreNames (booo), so we polyfill it here.
 | 
	
		
			
				|  |  | +      if (func === IDBDatabase.prototype.transaction && !('objectStoreNames' in IDBTransaction.prototype)) {
 | 
	
		
			
				|  |  | +        return function (storeNames, ...args) {
 | 
	
		
			
				|  |  | +          const tx = func.call(unwrap(this), storeNames, ...args);
 | 
	
		
			
				|  |  | +          transactionStoreNamesMap.set(tx, storeNames.sort ? storeNames.sort() : [storeNames]);
 | 
	
		
			
				|  |  | +          return wrap(tx);
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      // Cursor methods are special, as the behaviour is a little more different to standard IDB. In
 | 
	
		
			
				|  |  | +      // IDB, you advance the cursor and wait for a new 'success' on the IDBRequest that gave you the
 | 
	
		
			
				|  |  | +      // cursor. It's kinda like a promise that can resolve with many values. That doesn't make sense
 | 
	
		
			
				|  |  | +      // with real promises, so each advance methods returns a new promise for the cursor object, or
 | 
	
		
			
				|  |  | +      // undefined if the end of the cursor has been reached.
 | 
	
		
			
				|  |  | +      if (getCursorAdvanceMethods().includes(func)) {
 | 
	
		
			
				|  |  | +        return function (...args) {
 | 
	
		
			
				|  |  | +          // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use
 | 
	
		
			
				|  |  | +          // the original object.
 | 
	
		
			
				|  |  | +          func.apply(unwrap(this), args);
 | 
	
		
			
				|  |  | +          return wrap(cursorRequestMap.get(this));
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return function (...args) {
 | 
	
		
			
				|  |  | +        // Calling the original function with the proxy as 'this' causes ILLEGAL INVOCATION, so we use
 | 
	
		
			
				|  |  | +        // the original object.
 | 
	
		
			
				|  |  | +        return wrap(func.apply(unwrap(this), args));
 | 
	
		
			
				|  |  | +      };
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    function transformCachableValue(value) {
 | 
	
		
			
				|  |  | +      if (typeof value === 'function') return wrapFunction(value);
 | 
	
		
			
				|  |  | +      // This doesn't return, it just creates a 'done' promise for the transaction,
 | 
	
		
			
				|  |  | +      // which is later returned for transaction.done (see idbObjectHandler).
 | 
	
		
			
				|  |  | +      if (value instanceof IDBTransaction) cacheDonePromiseForTransaction(value);
 | 
	
		
			
				|  |  | +      if (instanceOfAny(value, getIdbProxyableTypes())) return new Proxy(value, idbProxyTraps);
 | 
	
		
			
				|  |  | +      // Return the same value back if we're not going to transform it.
 | 
	
		
			
				|  |  | +      return value;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    function wrap(value) {
 | 
	
		
			
				|  |  | +      // We sometimes generate multiple promises from a single IDBRequest (eg when cursoring), because
 | 
	
		
			
				|  |  | +      // IDB is weird and a single IDBRequest can yield many responses, so these can't be cached.
 | 
	
		
			
				|  |  | +      if (value instanceof IDBRequest) return promisifyRequest(value);
 | 
	
		
			
				|  |  | +      // If we've already transformed this value before, reuse the transformed value.
 | 
	
		
			
				|  |  | +      // This is faster, but it also provides object equality.
 | 
	
		
			
				|  |  | +      if (transformCache.has(value)) return transformCache.get(value);
 | 
	
		
			
				|  |  | +      const newValue = transformCachableValue(value);
 | 
	
		
			
				|  |  | +      // Not all types are transformed.
 | 
	
		
			
				|  |  | +      // These may be primitive types, so they can't be WeakMap keys.
 | 
	
		
			
				|  |  | +      if (newValue !== value) {
 | 
	
		
			
				|  |  | +        transformCache.set(value, newValue);
 | 
	
		
			
				|  |  | +        reverseTransformCache.set(newValue, value);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return newValue;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    const unwrap = value => reverseTransformCache.get(value);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Open a database.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param name Name of the database.
 | 
	
		
			
				|  |  | +     * @param version Schema version.
 | 
	
		
			
				|  |  | +     * @param callbacks Additional callbacks.
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function openDB(name, version, {
 | 
	
		
			
				|  |  | +      blocked,
 | 
	
		
			
				|  |  | +      upgrade,
 | 
	
		
			
				|  |  | +      blocking,
 | 
	
		
			
				|  |  | +      terminated
 | 
	
		
			
				|  |  | +    } = {}) {
 | 
	
		
			
				|  |  | +      const request = indexedDB.open(name, version);
 | 
	
		
			
				|  |  | +      const openPromise = wrap(request);
 | 
	
		
			
				|  |  | +      if (upgrade) {
 | 
	
		
			
				|  |  | +        request.addEventListener('upgradeneeded', event => {
 | 
	
		
			
				|  |  | +          upgrade(wrap(request.result), event.oldVersion, event.newVersion, wrap(request.transaction), event);
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if (blocked) {
 | 
	
		
			
				|  |  | +        request.addEventListener('blocked', event => blocked(
 | 
	
		
			
				|  |  | +        // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405
 | 
	
		
			
				|  |  | +        event.oldVersion, event.newVersion, event));
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      openPromise.then(db => {
 | 
	
		
			
				|  |  | +        if (terminated) db.addEventListener('close', () => terminated());
 | 
	
		
			
				|  |  | +        if (blocking) {
 | 
	
		
			
				|  |  | +          db.addEventListener('versionchange', event => blocking(event.oldVersion, event.newVersion, event));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }).catch(() => {});
 | 
	
		
			
				|  |  | +      return openPromise;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Delete a database.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param name Name of the database.
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function deleteDB(name, {
 | 
	
		
			
				|  |  | +      blocked
 | 
	
		
			
				|  |  | +    } = {}) {
 | 
	
		
			
				|  |  | +      const request = indexedDB.deleteDatabase(name);
 | 
	
		
			
				|  |  | +      if (blocked) {
 | 
	
		
			
				|  |  | +        request.addEventListener('blocked', event => blocked(
 | 
	
		
			
				|  |  | +        // Casting due to https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1405
 | 
	
		
			
				|  |  | +        event.oldVersion, event));
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return wrap(request).then(() => undefined);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    const readMethods = ['get', 'getKey', 'getAll', 'getAllKeys', 'count'];
 | 
	
		
			
				|  |  | +    const writeMethods = ['put', 'add', 'delete', 'clear'];
 | 
	
		
			
				|  |  | +    const cachedMethods = new Map();
 | 
	
		
			
				|  |  | +    function getMethod(target, prop) {
 | 
	
		
			
				|  |  | +      if (!(target instanceof IDBDatabase && !(prop in target) && typeof prop === 'string')) {
 | 
	
		
			
				|  |  | +        return;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if (cachedMethods.get(prop)) return cachedMethods.get(prop);
 | 
	
		
			
				|  |  | +      const targetFuncName = prop.replace(/FromIndex$/, '');
 | 
	
		
			
				|  |  | +      const useIndex = prop !== targetFuncName;
 | 
	
		
			
				|  |  | +      const isWrite = writeMethods.includes(targetFuncName);
 | 
	
		
			
				|  |  | +      if (
 | 
	
		
			
				|  |  | +      // Bail if the target doesn't exist on the target. Eg, getAll isn't in Edge.
 | 
	
		
			
				|  |  | +      !(targetFuncName in (useIndex ? IDBIndex : IDBObjectStore).prototype) || !(isWrite || readMethods.includes(targetFuncName))) {
 | 
	
		
			
				|  |  | +        return;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      const method = async function (storeName, ...args) {
 | 
	
		
			
				|  |  | +        // isWrite ? 'readwrite' : undefined gzipps better, but fails in Edge :(
 | 
	
		
			
				|  |  | +        const tx = this.transaction(storeName, isWrite ? 'readwrite' : 'readonly');
 | 
	
		
			
				|  |  | +        let target = tx.store;
 | 
	
		
			
				|  |  | +        if (useIndex) target = target.index(args.shift());
 | 
	
		
			
				|  |  | +        // Must reject if op rejects.
 | 
	
		
			
				|  |  | +        // If it's a write operation, must reject if tx.done rejects.
 | 
	
		
			
				|  |  | +        // Must reject with op rejection first.
 | 
	
		
			
				|  |  | +        // Must resolve with op value.
 | 
	
		
			
				|  |  | +        // Must handle both promises (no unhandled rejections)
 | 
	
		
			
				|  |  | +        return (await Promise.all([target[targetFuncName](...args), isWrite && tx.done]))[0];
 | 
	
		
			
				|  |  | +      };
 | 
	
		
			
				|  |  | +      cachedMethods.set(prop, method);
 | 
	
		
			
				|  |  | +      return method;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    replaceTraps(oldTraps => _extends({}, oldTraps, {
 | 
	
		
			
				|  |  | +      get: (target, prop, receiver) => getMethod(target, prop) || oldTraps.get(target, prop, receiver),
 | 
	
		
			
				|  |  | +      has: (target, prop) => !!getMethod(target, prop) || oldTraps.has(target, prop)
 | 
	
		
			
				|  |  | +    }));
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // @ts-ignore
 | 
	
		
			
				|  |  | +    try {
 | 
	
		
			
				|  |  | +      self['workbox:expiration:7.0.0'] && _();
 | 
	
		
			
				|  |  | +    } catch (e) {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    const DB_NAME = 'workbox-expiration';
 | 
	
		
			
				|  |  | +    const CACHE_OBJECT_STORE = 'cache-entries';
 | 
	
		
			
				|  |  | +    const normalizeURL = unNormalizedUrl => {
 | 
	
		
			
				|  |  | +      const url = new URL(unNormalizedUrl, location.href);
 | 
	
		
			
				|  |  | +      url.hash = '';
 | 
	
		
			
				|  |  | +      return url.href;
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Returns the timestamp model.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class CacheTimestampsModel {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} cacheName
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(cacheName) {
 | 
	
		
			
				|  |  | +        this._db = null;
 | 
	
		
			
				|  |  | +        this._cacheName = cacheName;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Performs an upgrade of indexedDB.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {IDBPDatabase<CacheDbSchema>} db
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _upgradeDb(db) {
 | 
	
		
			
				|  |  | +        // TODO(philipwalton): EdgeHTML doesn't support arrays as a keyPath, so we
 | 
	
		
			
				|  |  | +        // have to use the `id` keyPath here and create our own values (a
 | 
	
		
			
				|  |  | +        // concatenation of `url + cacheName`) instead of simply using
 | 
	
		
			
				|  |  | +        // `keyPath: ['url', 'cacheName']`, which is supported in other browsers.
 | 
	
		
			
				|  |  | +        const objStore = db.createObjectStore(CACHE_OBJECT_STORE, {
 | 
	
		
			
				|  |  | +          keyPath: 'id'
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        // TODO(philipwalton): once we don't have to support EdgeHTML, we can
 | 
	
		
			
				|  |  | +        // create a single index with the keyPath `['cacheName', 'timestamp']`
 | 
	
		
			
				|  |  | +        // instead of doing both these indexes.
 | 
	
		
			
				|  |  | +        objStore.createIndex('cacheName', 'cacheName', {
 | 
	
		
			
				|  |  | +          unique: false
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        objStore.createIndex('timestamp', 'timestamp', {
 | 
	
		
			
				|  |  | +          unique: false
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Performs an upgrade of indexedDB and deletes deprecated DBs.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {IDBPDatabase<CacheDbSchema>} db
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _upgradeDbAndDeleteOldDbs(db) {
 | 
	
		
			
				|  |  | +        this._upgradeDb(db);
 | 
	
		
			
				|  |  | +        if (this._cacheName) {
 | 
	
		
			
				|  |  | +          void deleteDB(this._cacheName);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @param {string} url
 | 
	
		
			
				|  |  | +       * @param {number} timestamp
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async setTimestamp(url, timestamp) {
 | 
	
		
			
				|  |  | +        url = normalizeURL(url);
 | 
	
		
			
				|  |  | +        const entry = {
 | 
	
		
			
				|  |  | +          url,
 | 
	
		
			
				|  |  | +          timestamp,
 | 
	
		
			
				|  |  | +          cacheName: this._cacheName,
 | 
	
		
			
				|  |  | +          // Creating an ID from the URL and cache name won't be necessary once
 | 
	
		
			
				|  |  | +          // Edge switches to Chromium and all browsers we support work with
 | 
	
		
			
				|  |  | +          // array keyPaths.
 | 
	
		
			
				|  |  | +          id: this._getId(url)
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        const db = await this.getDb();
 | 
	
		
			
				|  |  | +        const tx = db.transaction(CACHE_OBJECT_STORE, 'readwrite', {
 | 
	
		
			
				|  |  | +          durability: 'relaxed'
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        await tx.store.put(entry);
 | 
	
		
			
				|  |  | +        await tx.done;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns the timestamp stored for a given URL.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} url
 | 
	
		
			
				|  |  | +       * @return {number | undefined}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async getTimestamp(url) {
 | 
	
		
			
				|  |  | +        const db = await this.getDb();
 | 
	
		
			
				|  |  | +        const entry = await db.get(CACHE_OBJECT_STORE, this._getId(url));
 | 
	
		
			
				|  |  | +        return entry === null || entry === void 0 ? void 0 : entry.timestamp;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Iterates through all the entries in the object store (from newest to
 | 
	
		
			
				|  |  | +       * oldest) and removes entries once either `maxCount` is reached or the
 | 
	
		
			
				|  |  | +       * entry's timestamp is less than `minTimestamp`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {number} minTimestamp
 | 
	
		
			
				|  |  | +       * @param {number} maxCount
 | 
	
		
			
				|  |  | +       * @return {Array<string>}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async expireEntries(minTimestamp, maxCount) {
 | 
	
		
			
				|  |  | +        const db = await this.getDb();
 | 
	
		
			
				|  |  | +        let cursor = await db.transaction(CACHE_OBJECT_STORE).store.index('timestamp').openCursor(null, 'prev');
 | 
	
		
			
				|  |  | +        const entriesToDelete = [];
 | 
	
		
			
				|  |  | +        let entriesNotDeletedCount = 0;
 | 
	
		
			
				|  |  | +        while (cursor) {
 | 
	
		
			
				|  |  | +          const result = cursor.value;
 | 
	
		
			
				|  |  | +          // TODO(philipwalton): once we can use a multi-key index, we
 | 
	
		
			
				|  |  | +          // won't have to check `cacheName` here.
 | 
	
		
			
				|  |  | +          if (result.cacheName === this._cacheName) {
 | 
	
		
			
				|  |  | +            // Delete an entry if it's older than the max age or
 | 
	
		
			
				|  |  | +            // if we already have the max number allowed.
 | 
	
		
			
				|  |  | +            if (minTimestamp && result.timestamp < minTimestamp || maxCount && entriesNotDeletedCount >= maxCount) {
 | 
	
		
			
				|  |  | +              // TODO(philipwalton): we should be able to delete the
 | 
	
		
			
				|  |  | +              // entry right here, but doing so causes an iteration
 | 
	
		
			
				|  |  | +              // bug in Safari stable (fixed in TP). Instead we can
 | 
	
		
			
				|  |  | +              // store the keys of the entries to delete, and then
 | 
	
		
			
				|  |  | +              // delete the separate transactions.
 | 
	
		
			
				|  |  | +              // https://github.com/GoogleChrome/workbox/issues/1978
 | 
	
		
			
				|  |  | +              // cursor.delete();
 | 
	
		
			
				|  |  | +              // We only need to return the URL, not the whole entry.
 | 
	
		
			
				|  |  | +              entriesToDelete.push(cursor.value);
 | 
	
		
			
				|  |  | +            } else {
 | 
	
		
			
				|  |  | +              entriesNotDeletedCount++;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          cursor = await cursor.continue();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // TODO(philipwalton): once the Safari bug in the following issue is fixed,
 | 
	
		
			
				|  |  | +        // we should be able to remove this loop and do the entry deletion in the
 | 
	
		
			
				|  |  | +        // cursor loop above:
 | 
	
		
			
				|  |  | +        // https://github.com/GoogleChrome/workbox/issues/1978
 | 
	
		
			
				|  |  | +        const urlsDeleted = [];
 | 
	
		
			
				|  |  | +        for (const entry of entriesToDelete) {
 | 
	
		
			
				|  |  | +          await db.delete(CACHE_OBJECT_STORE, entry.id);
 | 
	
		
			
				|  |  | +          urlsDeleted.push(entry.url);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return urlsDeleted;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Takes a URL and returns an ID that will be unique in the object store.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} url
 | 
	
		
			
				|  |  | +       * @return {string}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _getId(url) {
 | 
	
		
			
				|  |  | +        // Creating an ID from the URL and cache name won't be necessary once
 | 
	
		
			
				|  |  | +        // Edge switches to Chromium and all browsers we support work with
 | 
	
		
			
				|  |  | +        // array keyPaths.
 | 
	
		
			
				|  |  | +        return this._cacheName + '|' + normalizeURL(url);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns an open connection to the database.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async getDb() {
 | 
	
		
			
				|  |  | +        if (!this._db) {
 | 
	
		
			
				|  |  | +          this._db = await openDB(DB_NAME, 1, {
 | 
	
		
			
				|  |  | +            upgrade: this._upgradeDbAndDeleteOldDbs.bind(this)
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return this._db;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * The `CacheExpiration` class allows you define an expiration and / or
 | 
	
		
			
				|  |  | +     * limit on the number of responses stored in a
 | 
	
		
			
				|  |  | +     * [`Cache`](https://developer.mozilla.org/en-US/docs/Web/API/Cache).
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-expiration
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class CacheExpiration {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * To construct a new CacheExpiration instance you must provide at least
 | 
	
		
			
				|  |  | +       * one of the `config` properties.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} cacheName Name of the cache to apply restrictions to.
 | 
	
		
			
				|  |  | +       * @param {Object} config
 | 
	
		
			
				|  |  | +       * @param {number} [config.maxEntries] The maximum number of entries to cache.
 | 
	
		
			
				|  |  | +       * Entries used the least will be removed as the maximum is reached.
 | 
	
		
			
				|  |  | +       * @param {number} [config.maxAgeSeconds] The maximum age of an entry before
 | 
	
		
			
				|  |  | +       * it's treated as stale and removed.
 | 
	
		
			
				|  |  | +       * @param {Object} [config.matchOptions] The [`CacheQueryOptions`](https://developer.mozilla.org/en-US/docs/Web/API/Cache/delete#Parameters)
 | 
	
		
			
				|  |  | +       * that will be used when calling `delete()` on the cache.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(cacheName, config = {}) {
 | 
	
		
			
				|  |  | +        this._isRunning = false;
 | 
	
		
			
				|  |  | +        this._rerunRequested = false;
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(cacheName, 'string', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +            className: 'CacheExpiration',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'cacheName'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          if (!(config.maxEntries || config.maxAgeSeconds)) {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('max-entries-or-age-required', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'CacheExpiration',
 | 
	
		
			
				|  |  | +              funcName: 'constructor'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (config.maxEntries) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isType(config.maxEntries, 'number', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'CacheExpiration',
 | 
	
		
			
				|  |  | +              funcName: 'constructor',
 | 
	
		
			
				|  |  | +              paramName: 'config.maxEntries'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (config.maxAgeSeconds) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isType(config.maxAgeSeconds, 'number', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'CacheExpiration',
 | 
	
		
			
				|  |  | +              funcName: 'constructor',
 | 
	
		
			
				|  |  | +              paramName: 'config.maxAgeSeconds'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        this._maxEntries = config.maxEntries;
 | 
	
		
			
				|  |  | +        this._maxAgeSeconds = config.maxAgeSeconds;
 | 
	
		
			
				|  |  | +        this._matchOptions = config.matchOptions;
 | 
	
		
			
				|  |  | +        this._cacheName = cacheName;
 | 
	
		
			
				|  |  | +        this._timestampModel = new CacheTimestampsModel(cacheName);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Expires entries for the given cache and given criteria.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async expireEntries() {
 | 
	
		
			
				|  |  | +        if (this._isRunning) {
 | 
	
		
			
				|  |  | +          this._rerunRequested = true;
 | 
	
		
			
				|  |  | +          return;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        this._isRunning = true;
 | 
	
		
			
				|  |  | +        const minTimestamp = this._maxAgeSeconds ? Date.now() - this._maxAgeSeconds * 1000 : 0;
 | 
	
		
			
				|  |  | +        const urlsExpired = await this._timestampModel.expireEntries(minTimestamp, this._maxEntries);
 | 
	
		
			
				|  |  | +        // Delete URLs from the cache
 | 
	
		
			
				|  |  | +        const cache = await self.caches.open(this._cacheName);
 | 
	
		
			
				|  |  | +        for (const url of urlsExpired) {
 | 
	
		
			
				|  |  | +          await cache.delete(url, this._matchOptions);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (urlsExpired.length > 0) {
 | 
	
		
			
				|  |  | +            logger.groupCollapsed(`Expired ${urlsExpired.length} ` + `${urlsExpired.length === 1 ? 'entry' : 'entries'} and removed ` + `${urlsExpired.length === 1 ? 'it' : 'them'} from the ` + `'${this._cacheName}' cache.`);
 | 
	
		
			
				|  |  | +            logger.log(`Expired the following ${urlsExpired.length === 1 ? 'URL' : 'URLs'}:`);
 | 
	
		
			
				|  |  | +            urlsExpired.forEach(url => logger.log(`    ${url}`));
 | 
	
		
			
				|  |  | +            logger.groupEnd();
 | 
	
		
			
				|  |  | +          } else {
 | 
	
		
			
				|  |  | +            logger.debug(`Cache expiration ran and found no entries to remove.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        this._isRunning = false;
 | 
	
		
			
				|  |  | +        if (this._rerunRequested) {
 | 
	
		
			
				|  |  | +          this._rerunRequested = false;
 | 
	
		
			
				|  |  | +          dontWaitFor(this.expireEntries());
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Update the timestamp for the given URL. This ensures the when
 | 
	
		
			
				|  |  | +       * removing entries based on maximum entries, most recently used
 | 
	
		
			
				|  |  | +       * is accurate or when expiring, the timestamp is up-to-date.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} url
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async updateTimestamp(url) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isType(url, 'string', {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +            className: 'CacheExpiration',
 | 
	
		
			
				|  |  | +            funcName: 'updateTimestamp',
 | 
	
		
			
				|  |  | +            paramName: 'url'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        await this._timestampModel.setTimestamp(url, Date.now());
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Can be used to check if a URL has expired or not before it's used.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * This requires a look up from IndexedDB, so can be slow.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: This method will not remove the cached entry, call
 | 
	
		
			
				|  |  | +       * `expireEntries()` to remove indexedDB and Cache entries.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} url
 | 
	
		
			
				|  |  | +       * @return {boolean}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async isURLExpired(url) {
 | 
	
		
			
				|  |  | +        if (!this._maxAgeSeconds) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            throw new WorkboxError(`expired-test-without-max-age`, {
 | 
	
		
			
				|  |  | +              methodName: 'isURLExpired',
 | 
	
		
			
				|  |  | +              paramName: 'maxAgeSeconds'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        } else {
 | 
	
		
			
				|  |  | +          const timestamp = await this._timestampModel.getTimestamp(url);
 | 
	
		
			
				|  |  | +          const expireOlderThan = Date.now() - this._maxAgeSeconds * 1000;
 | 
	
		
			
				|  |  | +          return timestamp !== undefined ? timestamp < expireOlderThan : true;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Removes the IndexedDB object store used to keep track of cache expiration
 | 
	
		
			
				|  |  | +       * metadata.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async delete() {
 | 
	
		
			
				|  |  | +        // Make sure we don't attempt another rerun if we're called in the middle of
 | 
	
		
			
				|  |  | +        // a cache expiration.
 | 
	
		
			
				|  |  | +        this._rerunRequested = false;
 | 
	
		
			
				|  |  | +        await this._timestampModel.expireEntries(Infinity); // Expires all.
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * This plugin can be used in a `workbox-strategy` to regularly enforce a
 | 
	
		
			
				|  |  | +     * limit on the age and / or the number of cached requests.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * It can only be used with `workbox-strategy` instances that have a
 | 
	
		
			
				|  |  | +     * [custom `cacheName` property set](/web/tools/workbox/guides/configure-workbox#custom_cache_names_in_strategies).
 | 
	
		
			
				|  |  | +     * In other words, it can't be used to expire entries in strategy that uses the
 | 
	
		
			
				|  |  | +     * default runtime cache name.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * Whenever a cached response is used or updated, this plugin will look
 | 
	
		
			
				|  |  | +     * at the associated cache and remove any old or extra responses.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * When using `maxAgeSeconds`, responses may be used *once* after expiring
 | 
	
		
			
				|  |  | +     * because the expiration clean up will not have occurred until *after* the
 | 
	
		
			
				|  |  | +     * cached response has been used. If the response has a "Date" header, then
 | 
	
		
			
				|  |  | +     * a light weight expiration check is performed and the response will not be
 | 
	
		
			
				|  |  | +     * used immediately.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * When using `maxEntries`, the entry least-recently requested will be removed
 | 
	
		
			
				|  |  | +     * from the cache first.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-expiration
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class ExpirationPlugin {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @param {ExpirationPluginOptions} config
 | 
	
		
			
				|  |  | +       * @param {number} [config.maxEntries] The maximum number of entries to cache.
 | 
	
		
			
				|  |  | +       * Entries used the least will be removed as the maximum is reached.
 | 
	
		
			
				|  |  | +       * @param {number} [config.maxAgeSeconds] The maximum age of an entry before
 | 
	
		
			
				|  |  | +       * it's treated as stale and removed.
 | 
	
		
			
				|  |  | +       * @param {Object} [config.matchOptions] The [`CacheQueryOptions`](https://developer.mozilla.org/en-US/docs/Web/API/Cache/delete#Parameters)
 | 
	
		
			
				|  |  | +       * that will be used when calling `delete()` on the cache.
 | 
	
		
			
				|  |  | +       * @param {boolean} [config.purgeOnQuotaError] Whether to opt this cache in to
 | 
	
		
			
				|  |  | +       * automatic deletion if the available storage quota has been exceeded.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(config = {}) {
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * A "lifecycle" callback that will be triggered automatically by the
 | 
	
		
			
				|  |  | +         * `workbox-strategies` handlers when a `Response` is about to be returned
 | 
	
		
			
				|  |  | +         * from a [Cache](https://developer.mozilla.org/en-US/docs/Web/API/Cache) to
 | 
	
		
			
				|  |  | +         * the handler. It allows the `Response` to be inspected for freshness and
 | 
	
		
			
				|  |  | +         * prevents it from being used if the `Response`'s `Date` header value is
 | 
	
		
			
				|  |  | +         * older than the configured `maxAgeSeconds`.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @param {Object} options
 | 
	
		
			
				|  |  | +         * @param {string} options.cacheName Name of the cache the response is in.
 | 
	
		
			
				|  |  | +         * @param {Response} options.cachedResponse The `Response` object that's been
 | 
	
		
			
				|  |  | +         *     read from a cache and whose freshness should be checked.
 | 
	
		
			
				|  |  | +         * @return {Response} Either the `cachedResponse`, if it's
 | 
	
		
			
				|  |  | +         *     fresh, or `null` if the `Response` is older than `maxAgeSeconds`.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @private
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.cachedResponseWillBeUsed = async ({
 | 
	
		
			
				|  |  | +          event,
 | 
	
		
			
				|  |  | +          request,
 | 
	
		
			
				|  |  | +          cacheName,
 | 
	
		
			
				|  |  | +          cachedResponse
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          if (!cachedResponse) {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          const isFresh = this._isResponseDateFresh(cachedResponse);
 | 
	
		
			
				|  |  | +          // Expire entries to ensure that even if the expiration date has
 | 
	
		
			
				|  |  | +          // expired, it'll only be used once.
 | 
	
		
			
				|  |  | +          const cacheExpiration = this._getCacheExpiration(cacheName);
 | 
	
		
			
				|  |  | +          dontWaitFor(cacheExpiration.expireEntries());
 | 
	
		
			
				|  |  | +          // Update the metadata for the request URL to the current timestamp,
 | 
	
		
			
				|  |  | +          // but don't `await` it as we don't want to block the response.
 | 
	
		
			
				|  |  | +          const updateTimestampDone = cacheExpiration.updateTimestamp(request.url);
 | 
	
		
			
				|  |  | +          if (event) {
 | 
	
		
			
				|  |  | +            try {
 | 
	
		
			
				|  |  | +              event.waitUntil(updateTimestampDone);
 | 
	
		
			
				|  |  | +            } catch (error) {
 | 
	
		
			
				|  |  | +              {
 | 
	
		
			
				|  |  | +                // The event may not be a fetch event; only log the URL if it is.
 | 
	
		
			
				|  |  | +                if ('request' in event) {
 | 
	
		
			
				|  |  | +                  logger.warn(`Unable to ensure service worker stays alive when ` + `updating cache entry for ` + `'${getFriendlyURL(event.request.url)}'.`);
 | 
	
		
			
				|  |  | +                }
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return isFresh ? cachedResponse : null;
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * A "lifecycle" callback that will be triggered automatically by the
 | 
	
		
			
				|  |  | +         * `workbox-strategies` handlers when an entry is added to a cache.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @param {Object} options
 | 
	
		
			
				|  |  | +         * @param {string} options.cacheName Name of the cache that was updated.
 | 
	
		
			
				|  |  | +         * @param {string} options.request The Request for the cached entry.
 | 
	
		
			
				|  |  | +         *
 | 
	
		
			
				|  |  | +         * @private
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.cacheDidUpdate = async ({
 | 
	
		
			
				|  |  | +          cacheName,
 | 
	
		
			
				|  |  | +          request
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            finalAssertExports.isType(cacheName, 'string', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'Plugin',
 | 
	
		
			
				|  |  | +              funcName: 'cacheDidUpdate',
 | 
	
		
			
				|  |  | +              paramName: 'cacheName'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +            finalAssertExports.isInstance(request, Request, {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'Plugin',
 | 
	
		
			
				|  |  | +              funcName: 'cacheDidUpdate',
 | 
	
		
			
				|  |  | +              paramName: 'request'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          const cacheExpiration = this._getCacheExpiration(cacheName);
 | 
	
		
			
				|  |  | +          await cacheExpiration.updateTimestamp(request.url);
 | 
	
		
			
				|  |  | +          await cacheExpiration.expireEntries();
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (!(config.maxEntries || config.maxAgeSeconds)) {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('max-entries-or-age-required', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'Plugin',
 | 
	
		
			
				|  |  | +              funcName: 'constructor'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (config.maxEntries) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isType(config.maxEntries, 'number', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'Plugin',
 | 
	
		
			
				|  |  | +              funcName: 'constructor',
 | 
	
		
			
				|  |  | +              paramName: 'config.maxEntries'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (config.maxAgeSeconds) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isType(config.maxAgeSeconds, 'number', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-expiration',
 | 
	
		
			
				|  |  | +              className: 'Plugin',
 | 
	
		
			
				|  |  | +              funcName: 'constructor',
 | 
	
		
			
				|  |  | +              paramName: 'config.maxAgeSeconds'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        this._config = config;
 | 
	
		
			
				|  |  | +        this._maxAgeSeconds = config.maxAgeSeconds;
 | 
	
		
			
				|  |  | +        this._cacheExpirations = new Map();
 | 
	
		
			
				|  |  | +        if (config.purgeOnQuotaError) {
 | 
	
		
			
				|  |  | +          registerQuotaErrorCallback(() => this.deleteCacheAndMetadata());
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * A simple helper method to return a CacheExpiration instance for a given
 | 
	
		
			
				|  |  | +       * cache name.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} cacheName
 | 
	
		
			
				|  |  | +       * @return {CacheExpiration}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _getCacheExpiration(cacheName) {
 | 
	
		
			
				|  |  | +        if (cacheName === cacheNames.getRuntimeName()) {
 | 
	
		
			
				|  |  | +          throw new WorkboxError('expire-custom-caches-only');
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        let cacheExpiration = this._cacheExpirations.get(cacheName);
 | 
	
		
			
				|  |  | +        if (!cacheExpiration) {
 | 
	
		
			
				|  |  | +          cacheExpiration = new CacheExpiration(cacheName, this._config);
 | 
	
		
			
				|  |  | +          this._cacheExpirations.set(cacheName, cacheExpiration);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return cacheExpiration;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @param {Response} cachedResponse
 | 
	
		
			
				|  |  | +       * @return {boolean}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _isResponseDateFresh(cachedResponse) {
 | 
	
		
			
				|  |  | +        if (!this._maxAgeSeconds) {
 | 
	
		
			
				|  |  | +          // We aren't expiring by age, so return true, it's fresh
 | 
	
		
			
				|  |  | +          return true;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Check if the 'date' header will suffice a quick expiration check.
 | 
	
		
			
				|  |  | +        // See https://github.com/GoogleChromeLabs/sw-toolbox/issues/164 for
 | 
	
		
			
				|  |  | +        // discussion.
 | 
	
		
			
				|  |  | +        const dateHeaderTimestamp = this._getDateHeaderTimestamp(cachedResponse);
 | 
	
		
			
				|  |  | +        if (dateHeaderTimestamp === null) {
 | 
	
		
			
				|  |  | +          // Unable to parse date, so assume it's fresh.
 | 
	
		
			
				|  |  | +          return true;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // If we have a valid headerTime, then our response is fresh iff the
 | 
	
		
			
				|  |  | +        // headerTime plus maxAgeSeconds is greater than the current time.
 | 
	
		
			
				|  |  | +        const now = Date.now();
 | 
	
		
			
				|  |  | +        return dateHeaderTimestamp >= now - this._maxAgeSeconds * 1000;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * This method will extract the data header and parse it into a useful
 | 
	
		
			
				|  |  | +       * value.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Response} cachedResponse
 | 
	
		
			
				|  |  | +       * @return {number|null}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _getDateHeaderTimestamp(cachedResponse) {
 | 
	
		
			
				|  |  | +        if (!cachedResponse.headers.has('date')) {
 | 
	
		
			
				|  |  | +          return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const dateHeader = cachedResponse.headers.get('date');
 | 
	
		
			
				|  |  | +        const parsedDate = new Date(dateHeader);
 | 
	
		
			
				|  |  | +        const headerTime = parsedDate.getTime();
 | 
	
		
			
				|  |  | +        // If the Date header was invalid for some reason, parsedDate.getTime()
 | 
	
		
			
				|  |  | +        // will return NaN.
 | 
	
		
			
				|  |  | +        if (isNaN(headerTime)) {
 | 
	
		
			
				|  |  | +          return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return headerTime;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * This is a helper method that performs two operations:
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * - Deletes *all* the underlying Cache instances associated with this plugin
 | 
	
		
			
				|  |  | +       * instance, by calling caches.delete() on your behalf.
 | 
	
		
			
				|  |  | +       * - Deletes the metadata from IndexedDB used to keep track of expiration
 | 
	
		
			
				|  |  | +       * details for each Cache instance.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * When using cache expiration, calling this method is preferable to calling
 | 
	
		
			
				|  |  | +       * `caches.delete()` directly, since this will ensure that the IndexedDB
 | 
	
		
			
				|  |  | +       * metadata is also cleanly removed and open IndexedDB instances are deleted.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note that if you're *not* using cache expiration for a given cache, calling
 | 
	
		
			
				|  |  | +       * `caches.delete()` and passing in the cache's name should be sufficient.
 | 
	
		
			
				|  |  | +       * There is no Workbox-specific method needed for cleanup in that case.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async deleteCacheAndMetadata() {
 | 
	
		
			
				|  |  | +        // Do this one at a time instead of all at once via `Promise.all()` to
 | 
	
		
			
				|  |  | +        // reduce the chance of inconsistency if a promise rejects.
 | 
	
		
			
				|  |  | +        for (const [cacheName, cacheExpiration] of this._cacheExpirations) {
 | 
	
		
			
				|  |  | +          await self.caches.delete(cacheName);
 | 
	
		
			
				|  |  | +          await cacheExpiration.delete();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Reset this._cacheExpirations to its initial state.
 | 
	
		
			
				|  |  | +        this._cacheExpirations = new Map();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // @ts-ignore
 | 
	
		
			
				|  |  | +    try {
 | 
	
		
			
				|  |  | +      self['workbox:cacheable-response:7.0.0'] && _();
 | 
	
		
			
				|  |  | +    } catch (e) {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * This class allows you to set up rules determining what
 | 
	
		
			
				|  |  | +     * status codes and/or headers need to be present in order for a
 | 
	
		
			
				|  |  | +     * [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response)
 | 
	
		
			
				|  |  | +     * to be considered cacheable.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-cacheable-response
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class CacheableResponse {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * To construct a new CacheableResponse instance you must provide at least
 | 
	
		
			
				|  |  | +       * one of the `config` properties.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * If both `statuses` and `headers` are specified, then both conditions must
 | 
	
		
			
				|  |  | +       * be met for the `Response` to be considered cacheable.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} config
 | 
	
		
			
				|  |  | +       * @param {Array<number>} [config.statuses] One or more status codes that a
 | 
	
		
			
				|  |  | +       * `Response` can have and be considered cacheable.
 | 
	
		
			
				|  |  | +       * @param {Object<string,string>} [config.headers] A mapping of header names
 | 
	
		
			
				|  |  | +       * and expected values that a `Response` can have and be considered cacheable.
 | 
	
		
			
				|  |  | +       * If multiple headers are provided, only one needs to be present.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(config = {}) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (!(config.statuses || config.headers)) {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('statuses-or-headers-required', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-cacheable-response',
 | 
	
		
			
				|  |  | +              className: 'CacheableResponse',
 | 
	
		
			
				|  |  | +              funcName: 'constructor'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (config.statuses) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isArray(config.statuses, {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-cacheable-response',
 | 
	
		
			
				|  |  | +              className: 'CacheableResponse',
 | 
	
		
			
				|  |  | +              funcName: 'constructor',
 | 
	
		
			
				|  |  | +              paramName: 'config.statuses'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (config.headers) {
 | 
	
		
			
				|  |  | +            finalAssertExports.isType(config.headers, 'object', {
 | 
	
		
			
				|  |  | +              moduleName: 'workbox-cacheable-response',
 | 
	
		
			
				|  |  | +              className: 'CacheableResponse',
 | 
	
		
			
				|  |  | +              funcName: 'constructor',
 | 
	
		
			
				|  |  | +              paramName: 'config.headers'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        this._statuses = config.statuses;
 | 
	
		
			
				|  |  | +        this._headers = config.headers;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Checks a response to see whether it's cacheable or not, based on this
 | 
	
		
			
				|  |  | +       * object's configuration.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Response} response The response whose cacheability is being
 | 
	
		
			
				|  |  | +       * checked.
 | 
	
		
			
				|  |  | +       * @return {boolean} `true` if the `Response` is cacheable, and `false`
 | 
	
		
			
				|  |  | +       * otherwise.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      isResponseCacheable(response) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isInstance(response, Response, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-cacheable-response',
 | 
	
		
			
				|  |  | +            className: 'CacheableResponse',
 | 
	
		
			
				|  |  | +            funcName: 'isResponseCacheable',
 | 
	
		
			
				|  |  | +            paramName: 'response'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        let cacheable = true;
 | 
	
		
			
				|  |  | +        if (this._statuses) {
 | 
	
		
			
				|  |  | +          cacheable = this._statuses.includes(response.status);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (this._headers && cacheable) {
 | 
	
		
			
				|  |  | +          cacheable = Object.keys(this._headers).some(headerName => {
 | 
	
		
			
				|  |  | +            return response.headers.get(headerName) === this._headers[headerName];
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          if (!cacheable) {
 | 
	
		
			
				|  |  | +            logger.groupCollapsed(`The request for ` + `'${getFriendlyURL(response.url)}' returned a response that does ` + `not meet the criteria for being cached.`);
 | 
	
		
			
				|  |  | +            logger.groupCollapsed(`View cacheability criteria here.`);
 | 
	
		
			
				|  |  | +            logger.log(`Cacheable statuses: ` + JSON.stringify(this._statuses));
 | 
	
		
			
				|  |  | +            logger.log(`Cacheable headers: ` + JSON.stringify(this._headers, null, 2));
 | 
	
		
			
				|  |  | +            logger.groupEnd();
 | 
	
		
			
				|  |  | +            const logFriendlyHeaders = {};
 | 
	
		
			
				|  |  | +            response.headers.forEach((value, key) => {
 | 
	
		
			
				|  |  | +              logFriendlyHeaders[key] = value;
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +            logger.groupCollapsed(`View response status and headers here.`);
 | 
	
		
			
				|  |  | +            logger.log(`Response status: ${response.status}`);
 | 
	
		
			
				|  |  | +            logger.log(`Response headers: ` + JSON.stringify(logFriendlyHeaders, null, 2));
 | 
	
		
			
				|  |  | +            logger.groupEnd();
 | 
	
		
			
				|  |  | +            logger.groupCollapsed(`View full response details here.`);
 | 
	
		
			
				|  |  | +            logger.log(response.headers);
 | 
	
		
			
				|  |  | +            logger.log(response);
 | 
	
		
			
				|  |  | +            logger.groupEnd();
 | 
	
		
			
				|  |  | +            logger.groupEnd();
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return cacheable;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A class implementing the `cacheWillUpdate` lifecycle callback. This makes it
 | 
	
		
			
				|  |  | +     * easier to add in cacheability checks to requests made via Workbox's built-in
 | 
	
		
			
				|  |  | +     * strategies.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-cacheable-response
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class CacheableResponsePlugin {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * To construct a new CacheableResponsePlugin instance you must provide at
 | 
	
		
			
				|  |  | +       * least one of the `config` properties.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * If both `statuses` and `headers` are specified, then both conditions must
 | 
	
		
			
				|  |  | +       * be met for the `Response` to be considered cacheable.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} config
 | 
	
		
			
				|  |  | +       * @param {Array<number>} [config.statuses] One or more status codes that a
 | 
	
		
			
				|  |  | +       * `Response` can have and be considered cacheable.
 | 
	
		
			
				|  |  | +       * @param {Object<string,string>} [config.headers] A mapping of header names
 | 
	
		
			
				|  |  | +       * and expected values that a `Response` can have and be considered cacheable.
 | 
	
		
			
				|  |  | +       * If multiple headers are provided, only one needs to be present.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(config) {
 | 
	
		
			
				|  |  | +        /**
 | 
	
		
			
				|  |  | +         * @param {Object} options
 | 
	
		
			
				|  |  | +         * @param {Response} options.response
 | 
	
		
			
				|  |  | +         * @return {Response|null}
 | 
	
		
			
				|  |  | +         * @private
 | 
	
		
			
				|  |  | +         */
 | 
	
		
			
				|  |  | +        this.cacheWillUpdate = async ({
 | 
	
		
			
				|  |  | +          response
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          if (this._cacheableResponse.isResponseCacheable(response)) {
 | 
	
		
			
				|  |  | +            return response;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return null;
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        this._cacheableResponse = new CacheableResponse(config);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Claim any currently available clients once the service worker
 | 
	
		
			
				|  |  | +     * becomes active. This is normally used in conjunction with `skipWaiting()`.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-core
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function clientsClaim() {
 | 
	
		
			
				|  |  | +      self.addEventListener('activate', () => self.clients.claim());
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A utility method that makes it easier to use `event.waitUntil` with
 | 
	
		
			
				|  |  | +     * async functions and return the result.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {ExtendableEvent} event
 | 
	
		
			
				|  |  | +     * @param {Function} asyncFn
 | 
	
		
			
				|  |  | +     * @return {Function}
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function waitUntil(event, asyncFn) {
 | 
	
		
			
				|  |  | +      const returnPromise = asyncFn();
 | 
	
		
			
				|  |  | +      event.waitUntil(returnPromise);
 | 
	
		
			
				|  |  | +      return returnPromise;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    // @ts-ignore
 | 
	
		
			
				|  |  | +    try {
 | 
	
		
			
				|  |  | +      self['workbox:precaching:7.0.0'] && _();
 | 
	
		
			
				|  |  | +    } catch (e) {}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    // Name of the search parameter used to store revision info.
 | 
	
		
			
				|  |  | +    const REVISION_SEARCH_PARAM = '__WB_REVISION__';
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Converts a manifest entry into a versioned URL suitable for precaching.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {Object|string} entry
 | 
	
		
			
				|  |  | +     * @return {string} A URL with versioning info.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function createCacheKey(entry) {
 | 
	
		
			
				|  |  | +      if (!entry) {
 | 
	
		
			
				|  |  | +        throw new WorkboxError('add-to-cache-list-unexpected-type', {
 | 
	
		
			
				|  |  | +          entry
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      // If a precache manifest entry is a string, it's assumed to be a versioned
 | 
	
		
			
				|  |  | +      // URL, like '/app.abcd1234.js'. Return as-is.
 | 
	
		
			
				|  |  | +      if (typeof entry === 'string') {
 | 
	
		
			
				|  |  | +        const urlObject = new URL(entry, location.href);
 | 
	
		
			
				|  |  | +        return {
 | 
	
		
			
				|  |  | +          cacheKey: urlObject.href,
 | 
	
		
			
				|  |  | +          url: urlObject.href
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      const {
 | 
	
		
			
				|  |  | +        revision,
 | 
	
		
			
				|  |  | +        url
 | 
	
		
			
				|  |  | +      } = entry;
 | 
	
		
			
				|  |  | +      if (!url) {
 | 
	
		
			
				|  |  | +        throw new WorkboxError('add-to-cache-list-unexpected-type', {
 | 
	
		
			
				|  |  | +          entry
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      // If there's just a URL and no revision, then it's also assumed to be a
 | 
	
		
			
				|  |  | +      // versioned URL.
 | 
	
		
			
				|  |  | +      if (!revision) {
 | 
	
		
			
				|  |  | +        const urlObject = new URL(url, location.href);
 | 
	
		
			
				|  |  | +        return {
 | 
	
		
			
				|  |  | +          cacheKey: urlObject.href,
 | 
	
		
			
				|  |  | +          url: urlObject.href
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      // Otherwise, construct a properly versioned URL using the custom Workbox
 | 
	
		
			
				|  |  | +      // search parameter along with the revision info.
 | 
	
		
			
				|  |  | +      const cacheKeyURL = new URL(url, location.href);
 | 
	
		
			
				|  |  | +      const originalURL = new URL(url, location.href);
 | 
	
		
			
				|  |  | +      cacheKeyURL.searchParams.set(REVISION_SEARCH_PARAM, revision);
 | 
	
		
			
				|  |  | +      return {
 | 
	
		
			
				|  |  | +        cacheKey: cacheKeyURL.href,
 | 
	
		
			
				|  |  | +        url: originalURL.href
 | 
	
		
			
				|  |  | +      };
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A plugin, designed to be used with PrecacheController, to determine the
 | 
	
		
			
				|  |  | +     * of assets that were updated (or not updated) during the install event.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class PrecacheInstallReportPlugin {
 | 
	
		
			
				|  |  | +      constructor() {
 | 
	
		
			
				|  |  | +        this.updatedURLs = [];
 | 
	
		
			
				|  |  | +        this.notUpdatedURLs = [];
 | 
	
		
			
				|  |  | +        this.handlerWillStart = async ({
 | 
	
		
			
				|  |  | +          request,
 | 
	
		
			
				|  |  | +          state
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          // TODO: `state` should never be undefined...
 | 
	
		
			
				|  |  | +          if (state) {
 | 
	
		
			
				|  |  | +            state.originalRequest = request;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        this.cachedResponseWillBeUsed = async ({
 | 
	
		
			
				|  |  | +          event,
 | 
	
		
			
				|  |  | +          state,
 | 
	
		
			
				|  |  | +          cachedResponse
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          if (event.type === 'install') {
 | 
	
		
			
				|  |  | +            if (state && state.originalRequest && state.originalRequest instanceof Request) {
 | 
	
		
			
				|  |  | +              // TODO: `state` should never be undefined...
 | 
	
		
			
				|  |  | +              const url = state.originalRequest.url;
 | 
	
		
			
				|  |  | +              if (cachedResponse) {
 | 
	
		
			
				|  |  | +                this.notUpdatedURLs.push(url);
 | 
	
		
			
				|  |  | +              } else {
 | 
	
		
			
				|  |  | +                this.updatedURLs.push(url);
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return cachedResponse;
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A plugin, designed to be used with PrecacheController, to translate URLs into
 | 
	
		
			
				|  |  | +     * the corresponding cache key, based on the current revision info.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class PrecacheCacheKeyPlugin {
 | 
	
		
			
				|  |  | +      constructor({
 | 
	
		
			
				|  |  | +        precacheController
 | 
	
		
			
				|  |  | +      }) {
 | 
	
		
			
				|  |  | +        this.cacheKeyWillBeUsed = async ({
 | 
	
		
			
				|  |  | +          request,
 | 
	
		
			
				|  |  | +          params
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          // Params is type any, can't change right now.
 | 
	
		
			
				|  |  | +          /* eslint-disable */
 | 
	
		
			
				|  |  | +          const cacheKey = (params === null || params === void 0 ? void 0 : params.cacheKey) || this._precacheController.getCacheKeyForURL(request.url);
 | 
	
		
			
				|  |  | +          /* eslint-enable */
 | 
	
		
			
				|  |  | +          return cacheKey ? new Request(cacheKey, {
 | 
	
		
			
				|  |  | +            headers: request.headers
 | 
	
		
			
				|  |  | +          }) : request;
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        this._precacheController = precacheController;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * @param {string} groupTitle
 | 
	
		
			
				|  |  | +     * @param {Array<string>} deletedURLs
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const logGroup = (groupTitle, deletedURLs) => {
 | 
	
		
			
				|  |  | +      logger.groupCollapsed(groupTitle);
 | 
	
		
			
				|  |  | +      for (const url of deletedURLs) {
 | 
	
		
			
				|  |  | +        logger.log(url);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      logger.groupEnd();
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * @param {Array<string>} deletedURLs
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function printCleanupDetails(deletedURLs) {
 | 
	
		
			
				|  |  | +      const deletionCount = deletedURLs.length;
 | 
	
		
			
				|  |  | +      if (deletionCount > 0) {
 | 
	
		
			
				|  |  | +        logger.groupCollapsed(`During precaching cleanup, ` + `${deletionCount} cached ` + `request${deletionCount === 1 ? ' was' : 's were'} deleted.`);
 | 
	
		
			
				|  |  | +        logGroup('Deleted Cache Requests', deletedURLs);
 | 
	
		
			
				|  |  | +        logger.groupEnd();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * @param {string} groupTitle
 | 
	
		
			
				|  |  | +     * @param {Array<string>} urls
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function _nestedGroup(groupTitle, urls) {
 | 
	
		
			
				|  |  | +      if (urls.length === 0) {
 | 
	
		
			
				|  |  | +        return;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      logger.groupCollapsed(groupTitle);
 | 
	
		
			
				|  |  | +      for (const url of urls) {
 | 
	
		
			
				|  |  | +        logger.log(url);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      logger.groupEnd();
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * @param {Array<string>} urlsToPrecache
 | 
	
		
			
				|  |  | +     * @param {Array<string>} urlsAlreadyPrecached
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function printInstallDetails(urlsToPrecache, urlsAlreadyPrecached) {
 | 
	
		
			
				|  |  | +      const precachedCount = urlsToPrecache.length;
 | 
	
		
			
				|  |  | +      const alreadyPrecachedCount = urlsAlreadyPrecached.length;
 | 
	
		
			
				|  |  | +      if (precachedCount || alreadyPrecachedCount) {
 | 
	
		
			
				|  |  | +        let message = `Precaching ${precachedCount} file${precachedCount === 1 ? '' : 's'}.`;
 | 
	
		
			
				|  |  | +        if (alreadyPrecachedCount > 0) {
 | 
	
		
			
				|  |  | +          message += ` ${alreadyPrecachedCount} ` + `file${alreadyPrecachedCount === 1 ? ' is' : 's are'} already cached.`;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        logger.groupCollapsed(message);
 | 
	
		
			
				|  |  | +        _nestedGroup(`View newly precached URLs.`, urlsToPrecache);
 | 
	
		
			
				|  |  | +        _nestedGroup(`View previously precached URLs.`, urlsAlreadyPrecached);
 | 
	
		
			
				|  |  | +        logger.groupEnd();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    let supportStatus;
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A utility function that determines whether the current browser supports
 | 
	
		
			
				|  |  | +     * constructing a new `Response` from a `response.body` stream.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @return {boolean} `true`, if the current browser can successfully
 | 
	
		
			
				|  |  | +     *     construct a `Response` from a `response.body` stream, `false` otherwise.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function canConstructResponseFromBodyStream() {
 | 
	
		
			
				|  |  | +      if (supportStatus === undefined) {
 | 
	
		
			
				|  |  | +        const testResponse = new Response('');
 | 
	
		
			
				|  |  | +        if ('body' in testResponse) {
 | 
	
		
			
				|  |  | +          try {
 | 
	
		
			
				|  |  | +            new Response(testResponse.body);
 | 
	
		
			
				|  |  | +            supportStatus = true;
 | 
	
		
			
				|  |  | +          } catch (error) {
 | 
	
		
			
				|  |  | +            supportStatus = false;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        supportStatus = false;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return supportStatus;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Allows developers to copy a response and modify its `headers`, `status`,
 | 
	
		
			
				|  |  | +     * or `statusText` values (the values settable via a
 | 
	
		
			
				|  |  | +     * [`ResponseInit`]{@link https://developer.mozilla.org/en-US/docs/Web/API/Response/Response#Syntax}
 | 
	
		
			
				|  |  | +     * object in the constructor).
 | 
	
		
			
				|  |  | +     * To modify these values, pass a function as the second argument. That
 | 
	
		
			
				|  |  | +     * function will be invoked with a single object with the response properties
 | 
	
		
			
				|  |  | +     * `{headers, status, statusText}`. The return value of this function will
 | 
	
		
			
				|  |  | +     * be used as the `ResponseInit` for the new `Response`. To change the values
 | 
	
		
			
				|  |  | +     * either modify the passed parameter(s) and return it, or return a totally
 | 
	
		
			
				|  |  | +     * new object.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This method is intentionally limited to same-origin responses, regardless of
 | 
	
		
			
				|  |  | +     * whether CORS was used or not.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {Response} response
 | 
	
		
			
				|  |  | +     * @param {Function} modifier
 | 
	
		
			
				|  |  | +     * @memberof workbox-core
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    async function copyResponse(response, modifier) {
 | 
	
		
			
				|  |  | +      let origin = null;
 | 
	
		
			
				|  |  | +      // If response.url isn't set, assume it's cross-origin and keep origin null.
 | 
	
		
			
				|  |  | +      if (response.url) {
 | 
	
		
			
				|  |  | +        const responseURL = new URL(response.url);
 | 
	
		
			
				|  |  | +        origin = responseURL.origin;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if (origin !== self.location.origin) {
 | 
	
		
			
				|  |  | +        throw new WorkboxError('cross-origin-copy-response', {
 | 
	
		
			
				|  |  | +          origin
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      const clonedResponse = response.clone();
 | 
	
		
			
				|  |  | +      // Create a fresh `ResponseInit` object by cloning the headers.
 | 
	
		
			
				|  |  | +      const responseInit = {
 | 
	
		
			
				|  |  | +        headers: new Headers(clonedResponse.headers),
 | 
	
		
			
				|  |  | +        status: clonedResponse.status,
 | 
	
		
			
				|  |  | +        statusText: clonedResponse.statusText
 | 
	
		
			
				|  |  | +      };
 | 
	
		
			
				|  |  | +      // Apply any user modifications.
 | 
	
		
			
				|  |  | +      const modifiedResponseInit = modifier ? modifier(responseInit) : responseInit;
 | 
	
		
			
				|  |  | +      // Create the new response from the body stream and `ResponseInit`
 | 
	
		
			
				|  |  | +      // modifications. Note: not all browsers support the Response.body stream,
 | 
	
		
			
				|  |  | +      // so fall back to reading the entire body into memory as a blob.
 | 
	
		
			
				|  |  | +      const body = canConstructResponseFromBodyStream() ? clonedResponse.body : await clonedResponse.blob();
 | 
	
		
			
				|  |  | +      return new Response(body, modifiedResponseInit);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A {@link workbox-strategies.Strategy} implementation
 | 
	
		
			
				|  |  | +     * specifically designed to work with
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.PrecacheController}
 | 
	
		
			
				|  |  | +     * to both cache and fetch precached assets.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * Note: an instance of this class is created automatically when creating a
 | 
	
		
			
				|  |  | +     * `PrecacheController`; it's generally not necessary to create this yourself.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @extends workbox-strategies.Strategy
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class PrecacheStrategy extends Strategy {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} [options]
 | 
	
		
			
				|  |  | +       * @param {string} [options.cacheName] Cache name to store and retrieve
 | 
	
		
			
				|  |  | +       * requests. Defaults to the cache names provided by
 | 
	
		
			
				|  |  | +       * {@link workbox-core.cacheNames}.
 | 
	
		
			
				|  |  | +       * @param {Array<Object>} [options.plugins] {@link https://developers.google.com/web/tools/workbox/guides/using-plugins|Plugins}
 | 
	
		
			
				|  |  | +       * to use in conjunction with this caching strategy.
 | 
	
		
			
				|  |  | +       * @param {Object} [options.fetchOptions] Values passed along to the
 | 
	
		
			
				|  |  | +       * {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters|init}
 | 
	
		
			
				|  |  | +       * of all fetch() requests made by this strategy.
 | 
	
		
			
				|  |  | +       * @param {Object} [options.matchOptions] The
 | 
	
		
			
				|  |  | +       * {@link https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions|CacheQueryOptions}
 | 
	
		
			
				|  |  | +       * for any `cache.match()` or `cache.put()` calls made by this strategy.
 | 
	
		
			
				|  |  | +       * @param {boolean} [options.fallbackToNetwork=true] Whether to attempt to
 | 
	
		
			
				|  |  | +       * get the response from the network if there's a precache miss.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(options = {}) {
 | 
	
		
			
				|  |  | +        options.cacheName = cacheNames.getPrecacheName(options.cacheName);
 | 
	
		
			
				|  |  | +        super(options);
 | 
	
		
			
				|  |  | +        this._fallbackToNetwork = options.fallbackToNetwork === false ? false : true;
 | 
	
		
			
				|  |  | +        // Redirected responses cannot be used to satisfy a navigation request, so
 | 
	
		
			
				|  |  | +        // any redirected response must be "copied" rather than cloned, so the new
 | 
	
		
			
				|  |  | +        // response doesn't contain the `redirected` flag. See:
 | 
	
		
			
				|  |  | +        // https://bugs.chromium.org/p/chromium/issues/detail?id=669363&desc=2#c1
 | 
	
		
			
				|  |  | +        this.plugins.push(PrecacheStrategy.copyRedirectedCacheableResponsesPlugin);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       * @param {Request|string} request A request to run this strategy for.
 | 
	
		
			
				|  |  | +       * @param {workbox-strategies.StrategyHandler} handler The event that
 | 
	
		
			
				|  |  | +       *     triggered the request.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async _handle(request, handler) {
 | 
	
		
			
				|  |  | +        const response = await handler.cacheMatch(request);
 | 
	
		
			
				|  |  | +        if (response) {
 | 
	
		
			
				|  |  | +          return response;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // If this is an `install` event for an entry that isn't already cached,
 | 
	
		
			
				|  |  | +        // then populate the cache.
 | 
	
		
			
				|  |  | +        if (handler.event && handler.event.type === 'install') {
 | 
	
		
			
				|  |  | +          return await this._handleInstall(request, handler);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Getting here means something went wrong. An entry that should have been
 | 
	
		
			
				|  |  | +        // precached wasn't found in the cache.
 | 
	
		
			
				|  |  | +        return await this._handleFetch(request, handler);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      async _handleFetch(request, handler) {
 | 
	
		
			
				|  |  | +        let response;
 | 
	
		
			
				|  |  | +        const params = handler.params || {};
 | 
	
		
			
				|  |  | +        // Fall back to the network if we're configured to do so.
 | 
	
		
			
				|  |  | +        if (this._fallbackToNetwork) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.warn(`The precached response for ` + `${getFriendlyURL(request.url)} in ${this.cacheName} was not ` + `found. Falling back to the network.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          const integrityInManifest = params.integrity;
 | 
	
		
			
				|  |  | +          const integrityInRequest = request.integrity;
 | 
	
		
			
				|  |  | +          const noIntegrityConflict = !integrityInRequest || integrityInRequest === integrityInManifest;
 | 
	
		
			
				|  |  | +          // Do not add integrity if the original request is no-cors
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/3096
 | 
	
		
			
				|  |  | +          response = await handler.fetch(new Request(request, {
 | 
	
		
			
				|  |  | +            integrity: request.mode !== 'no-cors' ? integrityInRequest || integrityInManifest : undefined
 | 
	
		
			
				|  |  | +          }));
 | 
	
		
			
				|  |  | +          // It's only "safe" to repair the cache if we're using SRI to guarantee
 | 
	
		
			
				|  |  | +          // that the response matches the precache manifest's expectations,
 | 
	
		
			
				|  |  | +          // and there's either a) no integrity property in the incoming request
 | 
	
		
			
				|  |  | +          // or b) there is an integrity, and it matches the precache manifest.
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/2858
 | 
	
		
			
				|  |  | +          // Also if the original request users no-cors we don't use integrity.
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/3096
 | 
	
		
			
				|  |  | +          if (integrityInManifest && noIntegrityConflict && request.mode !== 'no-cors') {
 | 
	
		
			
				|  |  | +            this._useDefaultCacheabilityPluginIfNeeded();
 | 
	
		
			
				|  |  | +            const wasCached = await handler.cachePut(request, response.clone());
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              if (wasCached) {
 | 
	
		
			
				|  |  | +                logger.log(`A response for ${getFriendlyURL(request.url)} ` + `was used to "repair" the precache.`);
 | 
	
		
			
				|  |  | +              }
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        } else {
 | 
	
		
			
				|  |  | +          // This shouldn't normally happen, but there are edge cases:
 | 
	
		
			
				|  |  | +          // https://github.com/GoogleChrome/workbox/issues/1441
 | 
	
		
			
				|  |  | +          throw new WorkboxError('missing-precache-entry', {
 | 
	
		
			
				|  |  | +            cacheName: this.cacheName,
 | 
	
		
			
				|  |  | +            url: request.url
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          const cacheKey = params.cacheKey || (await handler.getCacheKey(request, 'read'));
 | 
	
		
			
				|  |  | +          // Workbox is going to handle the route.
 | 
	
		
			
				|  |  | +          // print the routing details to the console.
 | 
	
		
			
				|  |  | +          logger.groupCollapsed(`Precaching is responding to: ` + getFriendlyURL(request.url));
 | 
	
		
			
				|  |  | +          logger.log(`Serving the precached url: ${getFriendlyURL(cacheKey instanceof Request ? cacheKey.url : cacheKey)}`);
 | 
	
		
			
				|  |  | +          logger.groupCollapsed(`View request details here.`);
 | 
	
		
			
				|  |  | +          logger.log(request);
 | 
	
		
			
				|  |  | +          logger.groupEnd();
 | 
	
		
			
				|  |  | +          logger.groupCollapsed(`View response details here.`);
 | 
	
		
			
				|  |  | +          logger.log(response);
 | 
	
		
			
				|  |  | +          logger.groupEnd();
 | 
	
		
			
				|  |  | +          logger.groupEnd();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      async _handleInstall(request, handler) {
 | 
	
		
			
				|  |  | +        this._useDefaultCacheabilityPluginIfNeeded();
 | 
	
		
			
				|  |  | +        const response = await handler.fetch(request);
 | 
	
		
			
				|  |  | +        // Make sure we defer cachePut() until after we know the response
 | 
	
		
			
				|  |  | +        // should be cached; see https://github.com/GoogleChrome/workbox/issues/2737
 | 
	
		
			
				|  |  | +        const wasCached = await handler.cachePut(request, response.clone());
 | 
	
		
			
				|  |  | +        if (!wasCached) {
 | 
	
		
			
				|  |  | +          // Throwing here will lead to the `install` handler failing, which
 | 
	
		
			
				|  |  | +          // we want to do if *any* of the responses aren't safe to cache.
 | 
	
		
			
				|  |  | +          throw new WorkboxError('bad-precaching-response', {
 | 
	
		
			
				|  |  | +            url: request.url,
 | 
	
		
			
				|  |  | +            status: response.status
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * This method is complex, as there a number of things to account for:
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The `plugins` array can be set at construction, and/or it might be added to
 | 
	
		
			
				|  |  | +       * to at any time before the strategy is used.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * At the time the strategy is used (i.e. during an `install` event), there
 | 
	
		
			
				|  |  | +       * needs to be at least one plugin that implements `cacheWillUpdate` in the
 | 
	
		
			
				|  |  | +       * array, other than `copyRedirectedCacheableResponsesPlugin`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * - If this method is called and there are no suitable `cacheWillUpdate`
 | 
	
		
			
				|  |  | +       * plugins, we need to add `defaultPrecacheCacheabilityPlugin`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * - If this method is called and there is exactly one `cacheWillUpdate`, then
 | 
	
		
			
				|  |  | +       * we don't have to do anything (this might be a previously added
 | 
	
		
			
				|  |  | +       * `defaultPrecacheCacheabilityPlugin`, or it might be a custom plugin).
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * - If this method is called and there is more than one `cacheWillUpdate`,
 | 
	
		
			
				|  |  | +       * then we need to check if one is `defaultPrecacheCacheabilityPlugin`. If so,
 | 
	
		
			
				|  |  | +       * we need to remove it. (This situation is unlikely, but it could happen if
 | 
	
		
			
				|  |  | +       * the strategy is used multiple times, the first without a `cacheWillUpdate`,
 | 
	
		
			
				|  |  | +       * and then later on after manually adding a custom `cacheWillUpdate`.)
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * See https://github.com/GoogleChrome/workbox/issues/2737 for more context.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _useDefaultCacheabilityPluginIfNeeded() {
 | 
	
		
			
				|  |  | +        let defaultPluginIndex = null;
 | 
	
		
			
				|  |  | +        let cacheWillUpdatePluginCount = 0;
 | 
	
		
			
				|  |  | +        for (const [index, plugin] of this.plugins.entries()) {
 | 
	
		
			
				|  |  | +          // Ignore the copy redirected plugin when determining what to do.
 | 
	
		
			
				|  |  | +          if (plugin === PrecacheStrategy.copyRedirectedCacheableResponsesPlugin) {
 | 
	
		
			
				|  |  | +            continue;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          // Save the default plugin's index, in case it needs to be removed.
 | 
	
		
			
				|  |  | +          if (plugin === PrecacheStrategy.defaultPrecacheCacheabilityPlugin) {
 | 
	
		
			
				|  |  | +            defaultPluginIndex = index;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (plugin.cacheWillUpdate) {
 | 
	
		
			
				|  |  | +            cacheWillUpdatePluginCount++;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (cacheWillUpdatePluginCount === 0) {
 | 
	
		
			
				|  |  | +          this.plugins.push(PrecacheStrategy.defaultPrecacheCacheabilityPlugin);
 | 
	
		
			
				|  |  | +        } else if (cacheWillUpdatePluginCount > 1 && defaultPluginIndex !== null) {
 | 
	
		
			
				|  |  | +          // Only remove the default plugin; multiple custom plugins are allowed.
 | 
	
		
			
				|  |  | +          this.plugins.splice(defaultPluginIndex, 1);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        // Nothing needs to be done if cacheWillUpdatePluginCount is 1
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    PrecacheStrategy.defaultPrecacheCacheabilityPlugin = {
 | 
	
		
			
				|  |  | +      async cacheWillUpdate({
 | 
	
		
			
				|  |  | +        response
 | 
	
		
			
				|  |  | +      }) {
 | 
	
		
			
				|  |  | +        if (!response || response.status >= 400) {
 | 
	
		
			
				|  |  | +          return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +    PrecacheStrategy.copyRedirectedCacheableResponsesPlugin = {
 | 
	
		
			
				|  |  | +      async cacheWillUpdate({
 | 
	
		
			
				|  |  | +        response
 | 
	
		
			
				|  |  | +      }) {
 | 
	
		
			
				|  |  | +        return response.redirected ? await copyResponse(response) : response;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Performs efficient precaching of assets.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class PrecacheController {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Create a new PrecacheController.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} [options]
 | 
	
		
			
				|  |  | +       * @param {string} [options.cacheName] The cache to use for precaching.
 | 
	
		
			
				|  |  | +       * @param {string} [options.plugins] Plugins to use when precaching as well
 | 
	
		
			
				|  |  | +       * as responding to fetch events for precached assets.
 | 
	
		
			
				|  |  | +       * @param {boolean} [options.fallbackToNetwork=true] Whether to attempt to
 | 
	
		
			
				|  |  | +       * get the response from the network if there's a precache miss.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor({
 | 
	
		
			
				|  |  | +        cacheName,
 | 
	
		
			
				|  |  | +        plugins = [],
 | 
	
		
			
				|  |  | +        fallbackToNetwork = true
 | 
	
		
			
				|  |  | +      } = {}) {
 | 
	
		
			
				|  |  | +        this._urlsToCacheKeys = new Map();
 | 
	
		
			
				|  |  | +        this._urlsToCacheModes = new Map();
 | 
	
		
			
				|  |  | +        this._cacheKeysToIntegrities = new Map();
 | 
	
		
			
				|  |  | +        this._strategy = new PrecacheStrategy({
 | 
	
		
			
				|  |  | +          cacheName: cacheNames.getPrecacheName(cacheName),
 | 
	
		
			
				|  |  | +          plugins: [...plugins, new PrecacheCacheKeyPlugin({
 | 
	
		
			
				|  |  | +            precacheController: this
 | 
	
		
			
				|  |  | +          })],
 | 
	
		
			
				|  |  | +          fallbackToNetwork
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        // Bind the install and activate methods to the instance.
 | 
	
		
			
				|  |  | +        this.install = this.install.bind(this);
 | 
	
		
			
				|  |  | +        this.activate = this.activate.bind(this);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @type {workbox-precaching.PrecacheStrategy} The strategy created by this controller and
 | 
	
		
			
				|  |  | +       * used to cache assets and respond to fetch events.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      get strategy() {
 | 
	
		
			
				|  |  | +        return this._strategy;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Adds items to the precache list, removing any duplicates and
 | 
	
		
			
				|  |  | +       * stores the files in the
 | 
	
		
			
				|  |  | +       * {@link workbox-core.cacheNames|"precache cache"} when the service
 | 
	
		
			
				|  |  | +       * worker installs.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * This method can be called multiple times.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Array<Object|string>} [entries=[]] Array of entries to precache.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      precache(entries) {
 | 
	
		
			
				|  |  | +        this.addToCacheList(entries);
 | 
	
		
			
				|  |  | +        if (!this._installAndActiveListenersAdded) {
 | 
	
		
			
				|  |  | +          self.addEventListener('install', this.install);
 | 
	
		
			
				|  |  | +          self.addEventListener('activate', this.activate);
 | 
	
		
			
				|  |  | +          this._installAndActiveListenersAdded = true;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * This method will add items to the precache list, removing duplicates
 | 
	
		
			
				|  |  | +       * and ensuring the information is valid.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Array<workbox-precaching.PrecacheController.PrecacheEntry|string>} entries
 | 
	
		
			
				|  |  | +       *     Array of entries to precache.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      addToCacheList(entries) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isArray(entries, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-precaching',
 | 
	
		
			
				|  |  | +            className: 'PrecacheController',
 | 
	
		
			
				|  |  | +            funcName: 'addToCacheList',
 | 
	
		
			
				|  |  | +            paramName: 'entries'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const urlsToWarnAbout = [];
 | 
	
		
			
				|  |  | +        for (const entry of entries) {
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/2259
 | 
	
		
			
				|  |  | +          if (typeof entry === 'string') {
 | 
	
		
			
				|  |  | +            urlsToWarnAbout.push(entry);
 | 
	
		
			
				|  |  | +          } else if (entry && entry.revision === undefined) {
 | 
	
		
			
				|  |  | +            urlsToWarnAbout.push(entry.url);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          const {
 | 
	
		
			
				|  |  | +            cacheKey,
 | 
	
		
			
				|  |  | +            url
 | 
	
		
			
				|  |  | +          } = createCacheKey(entry);
 | 
	
		
			
				|  |  | +          const cacheMode = typeof entry !== 'string' && entry.revision ? 'reload' : 'default';
 | 
	
		
			
				|  |  | +          if (this._urlsToCacheKeys.has(url) && this._urlsToCacheKeys.get(url) !== cacheKey) {
 | 
	
		
			
				|  |  | +            throw new WorkboxError('add-to-cache-list-conflicting-entries', {
 | 
	
		
			
				|  |  | +              firstEntry: this._urlsToCacheKeys.get(url),
 | 
	
		
			
				|  |  | +              secondEntry: cacheKey
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          if (typeof entry !== 'string' && entry.integrity) {
 | 
	
		
			
				|  |  | +            if (this._cacheKeysToIntegrities.has(cacheKey) && this._cacheKeysToIntegrities.get(cacheKey) !== entry.integrity) {
 | 
	
		
			
				|  |  | +              throw new WorkboxError('add-to-cache-list-conflicting-integrities', {
 | 
	
		
			
				|  |  | +                url
 | 
	
		
			
				|  |  | +              });
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            this._cacheKeysToIntegrities.set(cacheKey, entry.integrity);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          this._urlsToCacheKeys.set(url, cacheKey);
 | 
	
		
			
				|  |  | +          this._urlsToCacheModes.set(url, cacheMode);
 | 
	
		
			
				|  |  | +          if (urlsToWarnAbout.length > 0) {
 | 
	
		
			
				|  |  | +            const warningMessage = `Workbox is precaching URLs without revision ` + `info: ${urlsToWarnAbout.join(', ')}\nThis is generally NOT safe. ` + `Learn more at https://bit.ly/wb-precache`;
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              logger.warn(warningMessage);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Precaches new and updated assets. Call this method from the service worker
 | 
	
		
			
				|  |  | +       * install event.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: this method calls `event.waitUntil()` for you, so you do not need
 | 
	
		
			
				|  |  | +       * to call it yourself in your event handlers.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {ExtendableEvent} event
 | 
	
		
			
				|  |  | +       * @return {Promise<workbox-precaching.InstallResult>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      install(event) {
 | 
	
		
			
				|  |  | +        // waitUntil returns Promise<any>
 | 
	
		
			
				|  |  | +        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
 | 
	
		
			
				|  |  | +        return waitUntil(event, async () => {
 | 
	
		
			
				|  |  | +          const installReportPlugin = new PrecacheInstallReportPlugin();
 | 
	
		
			
				|  |  | +          this.strategy.plugins.push(installReportPlugin);
 | 
	
		
			
				|  |  | +          // Cache entries one at a time.
 | 
	
		
			
				|  |  | +          // See https://github.com/GoogleChrome/workbox/issues/2528
 | 
	
		
			
				|  |  | +          for (const [url, cacheKey] of this._urlsToCacheKeys) {
 | 
	
		
			
				|  |  | +            const integrity = this._cacheKeysToIntegrities.get(cacheKey);
 | 
	
		
			
				|  |  | +            const cacheMode = this._urlsToCacheModes.get(url);
 | 
	
		
			
				|  |  | +            const request = new Request(url, {
 | 
	
		
			
				|  |  | +              integrity,
 | 
	
		
			
				|  |  | +              cache: cacheMode,
 | 
	
		
			
				|  |  | +              credentials: 'same-origin'
 | 
	
		
			
				|  |  | +            });
 | 
	
		
			
				|  |  | +            await Promise.all(this.strategy.handleAll({
 | 
	
		
			
				|  |  | +              params: {
 | 
	
		
			
				|  |  | +                cacheKey
 | 
	
		
			
				|  |  | +              },
 | 
	
		
			
				|  |  | +              request,
 | 
	
		
			
				|  |  | +              event
 | 
	
		
			
				|  |  | +            }));
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          const {
 | 
	
		
			
				|  |  | +            updatedURLs,
 | 
	
		
			
				|  |  | +            notUpdatedURLs
 | 
	
		
			
				|  |  | +          } = installReportPlugin;
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            printInstallDetails(updatedURLs, notUpdatedURLs);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return {
 | 
	
		
			
				|  |  | +            updatedURLs,
 | 
	
		
			
				|  |  | +            notUpdatedURLs
 | 
	
		
			
				|  |  | +          };
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Deletes assets that are no longer present in the current precache manifest.
 | 
	
		
			
				|  |  | +       * Call this method from the service worker activate event.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * Note: this method calls `event.waitUntil()` for you, so you do not need
 | 
	
		
			
				|  |  | +       * to call it yourself in your event handlers.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {ExtendableEvent} event
 | 
	
		
			
				|  |  | +       * @return {Promise<workbox-precaching.CleanupResult>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      activate(event) {
 | 
	
		
			
				|  |  | +        // waitUntil returns Promise<any>
 | 
	
		
			
				|  |  | +        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
 | 
	
		
			
				|  |  | +        return waitUntil(event, async () => {
 | 
	
		
			
				|  |  | +          const cache = await self.caches.open(this.strategy.cacheName);
 | 
	
		
			
				|  |  | +          const currentlyCachedRequests = await cache.keys();
 | 
	
		
			
				|  |  | +          const expectedCacheKeys = new Set(this._urlsToCacheKeys.values());
 | 
	
		
			
				|  |  | +          const deletedURLs = [];
 | 
	
		
			
				|  |  | +          for (const request of currentlyCachedRequests) {
 | 
	
		
			
				|  |  | +            if (!expectedCacheKeys.has(request.url)) {
 | 
	
		
			
				|  |  | +              await cache.delete(request);
 | 
	
		
			
				|  |  | +              deletedURLs.push(request.url);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            printCleanupDetails(deletedURLs);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return {
 | 
	
		
			
				|  |  | +            deletedURLs
 | 
	
		
			
				|  |  | +          };
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns a mapping of a precached URL to the corresponding cache key, taking
 | 
	
		
			
				|  |  | +       * into account the revision information for the URL.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @return {Map<string, string>} A URL to cache key mapping.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      getURLsToCacheKeys() {
 | 
	
		
			
				|  |  | +        return this._urlsToCacheKeys;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns a list of all the URLs that have been precached by the current
 | 
	
		
			
				|  |  | +       * service worker.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @return {Array<string>} The precached URLs.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      getCachedURLs() {
 | 
	
		
			
				|  |  | +        return [...this._urlsToCacheKeys.keys()];
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns the cache key used for storing a given URL. If that URL is
 | 
	
		
			
				|  |  | +       * unversioned, like `/index.html', then the cache key will be the original
 | 
	
		
			
				|  |  | +       * URL with a search parameter appended to it.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} url A URL whose cache key you want to look up.
 | 
	
		
			
				|  |  | +       * @return {string} The versioned URL that corresponds to a cache key
 | 
	
		
			
				|  |  | +       * for the original URL, or undefined if that URL isn't precached.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      getCacheKeyForURL(url) {
 | 
	
		
			
				|  |  | +        const urlObject = new URL(url, location.href);
 | 
	
		
			
				|  |  | +        return this._urlsToCacheKeys.get(urlObject.href);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @param {string} url A cache key whose SRI you want to look up.
 | 
	
		
			
				|  |  | +       * @return {string} The subresource integrity associated with the cache key,
 | 
	
		
			
				|  |  | +       * or undefined if it's not set.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      getIntegrityForCacheKey(cacheKey) {
 | 
	
		
			
				|  |  | +        return this._cacheKeysToIntegrities.get(cacheKey);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * This acts as a drop-in replacement for
 | 
	
		
			
				|  |  | +       * [`cache.match()`](https://developer.mozilla.org/en-US/docs/Web/API/Cache/match)
 | 
	
		
			
				|  |  | +       * with the following differences:
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * - It knows what the name of the precache is, and only checks in that cache.
 | 
	
		
			
				|  |  | +       * - It allows you to pass in an "original" URL without versioning parameters,
 | 
	
		
			
				|  |  | +       * and it will automatically look up the correct cache key for the currently
 | 
	
		
			
				|  |  | +       * active revision of that URL.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * E.g., `matchPrecache('index.html')` will find the correct precached
 | 
	
		
			
				|  |  | +       * response for the currently active service worker, even if the actual cache
 | 
	
		
			
				|  |  | +       * key is `'/index.html?__WB_REVISION__=1234abcd'`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string|Request} request The key (without revisioning parameters)
 | 
	
		
			
				|  |  | +       * to look up in the precache.
 | 
	
		
			
				|  |  | +       * @return {Promise<Response|undefined>}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      async matchPrecache(request) {
 | 
	
		
			
				|  |  | +        const url = request instanceof Request ? request.url : request;
 | 
	
		
			
				|  |  | +        const cacheKey = this.getCacheKeyForURL(url);
 | 
	
		
			
				|  |  | +        if (cacheKey) {
 | 
	
		
			
				|  |  | +          const cache = await self.caches.open(this.strategy.cacheName);
 | 
	
		
			
				|  |  | +          return cache.match(cacheKey);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return undefined;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Returns a function that looks up `url` in the precache (taking into
 | 
	
		
			
				|  |  | +       * account revision information), and returns the corresponding `Response`.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {string} url The precached URL which will be used to lookup the
 | 
	
		
			
				|  |  | +       * `Response`.
 | 
	
		
			
				|  |  | +       * @return {workbox-routing~handlerCallback}
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      createHandlerBoundToURL(url) {
 | 
	
		
			
				|  |  | +        const cacheKey = this.getCacheKeyForURL(url);
 | 
	
		
			
				|  |  | +        if (!cacheKey) {
 | 
	
		
			
				|  |  | +          throw new WorkboxError('non-precached-url', {
 | 
	
		
			
				|  |  | +            url
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return options => {
 | 
	
		
			
				|  |  | +          options.request = new Request(url);
 | 
	
		
			
				|  |  | +          options.params = Object.assign({
 | 
	
		
			
				|  |  | +            cacheKey
 | 
	
		
			
				|  |  | +          }, options.params);
 | 
	
		
			
				|  |  | +          return this.strategy.handle(options);
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    let precacheController;
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * @return {PrecacheController}
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const getOrCreatePrecacheController = () => {
 | 
	
		
			
				|  |  | +      if (!precacheController) {
 | 
	
		
			
				|  |  | +        precacheController = new PrecacheController();
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return precacheController;
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Removes any URL search parameters that should be ignored.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {URL} urlObject The original URL.
 | 
	
		
			
				|  |  | +     * @param {Array<RegExp>} ignoreURLParametersMatching RegExps to test against
 | 
	
		
			
				|  |  | +     * each search parameter name. Matches mean that the search parameter should be
 | 
	
		
			
				|  |  | +     * ignored.
 | 
	
		
			
				|  |  | +     * @return {URL} The URL with any ignored search parameters removed.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching = []) {
 | 
	
		
			
				|  |  | +      // Convert the iterable into an array at the start of the loop to make sure
 | 
	
		
			
				|  |  | +      // deletion doesn't mess up iteration.
 | 
	
		
			
				|  |  | +      for (const paramName of [...urlObject.searchParams.keys()]) {
 | 
	
		
			
				|  |  | +        if (ignoreURLParametersMatching.some(regExp => regExp.test(paramName))) {
 | 
	
		
			
				|  |  | +          urlObject.searchParams.delete(paramName);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      return urlObject;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Generator function that yields possible variations on the original URL to
 | 
	
		
			
				|  |  | +     * check, one at a time.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {string} url
 | 
	
		
			
				|  |  | +     * @param {Object} options
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function* generateURLVariations(url, {
 | 
	
		
			
				|  |  | +      ignoreURLParametersMatching = [/^utm_/, /^fbclid$/],
 | 
	
		
			
				|  |  | +      directoryIndex = 'index.html',
 | 
	
		
			
				|  |  | +      cleanURLs = true,
 | 
	
		
			
				|  |  | +      urlManipulation
 | 
	
		
			
				|  |  | +    } = {}) {
 | 
	
		
			
				|  |  | +      const urlObject = new URL(url, location.href);
 | 
	
		
			
				|  |  | +      urlObject.hash = '';
 | 
	
		
			
				|  |  | +      yield urlObject.href;
 | 
	
		
			
				|  |  | +      const urlWithoutIgnoredParams = removeIgnoredSearchParams(urlObject, ignoreURLParametersMatching);
 | 
	
		
			
				|  |  | +      yield urlWithoutIgnoredParams.href;
 | 
	
		
			
				|  |  | +      if (directoryIndex && urlWithoutIgnoredParams.pathname.endsWith('/')) {
 | 
	
		
			
				|  |  | +        const directoryURL = new URL(urlWithoutIgnoredParams.href);
 | 
	
		
			
				|  |  | +        directoryURL.pathname += directoryIndex;
 | 
	
		
			
				|  |  | +        yield directoryURL.href;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if (cleanURLs) {
 | 
	
		
			
				|  |  | +        const cleanURL = new URL(urlWithoutIgnoredParams.href);
 | 
	
		
			
				|  |  | +        cleanURL.pathname += '.html';
 | 
	
		
			
				|  |  | +        yield cleanURL.href;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if (urlManipulation) {
 | 
	
		
			
				|  |  | +        const additionalURLs = urlManipulation({
 | 
	
		
			
				|  |  | +          url: urlObject
 | 
	
		
			
				|  |  | +        });
 | 
	
		
			
				|  |  | +        for (const urlToAttempt of additionalURLs) {
 | 
	
		
			
				|  |  | +          yield urlToAttempt.href;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2020 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * A subclass of {@link workbox-routing.Route} that takes a
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.PrecacheController}
 | 
	
		
			
				|  |  | +     * instance and uses it to match incoming requests and handle fetching
 | 
	
		
			
				|  |  | +     * responses from the precache.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     * @extends workbox-routing.Route
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class PrecacheRoute extends Route {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * @param {PrecacheController} precacheController A `PrecacheController`
 | 
	
		
			
				|  |  | +       * instance used to both match requests and respond to fetch events.
 | 
	
		
			
				|  |  | +       * @param {Object} [options] Options to control how requests are matched
 | 
	
		
			
				|  |  | +       * against the list of precached URLs.
 | 
	
		
			
				|  |  | +       * @param {string} [options.directoryIndex=index.html] The `directoryIndex` will
 | 
	
		
			
				|  |  | +       * check cache entries for a URLs ending with '/' to see if there is a hit when
 | 
	
		
			
				|  |  | +       * appending the `directoryIndex` value.
 | 
	
		
			
				|  |  | +       * @param {Array<RegExp>} [options.ignoreURLParametersMatching=[/^utm_/, /^fbclid$/]] An
 | 
	
		
			
				|  |  | +       * array of regex's to remove search params when looking for a cache match.
 | 
	
		
			
				|  |  | +       * @param {boolean} [options.cleanURLs=true] The `cleanURLs` option will
 | 
	
		
			
				|  |  | +       * check the cache for the URL with a `.html` added to the end of the end.
 | 
	
		
			
				|  |  | +       * @param {workbox-precaching~urlManipulation} [options.urlManipulation]
 | 
	
		
			
				|  |  | +       * This is a function that should take a URL and return an array of
 | 
	
		
			
				|  |  | +       * alternative URLs that should be checked for precache matches.
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(precacheController, options) {
 | 
	
		
			
				|  |  | +        const match = ({
 | 
	
		
			
				|  |  | +          request
 | 
	
		
			
				|  |  | +        }) => {
 | 
	
		
			
				|  |  | +          const urlsToCacheKeys = precacheController.getURLsToCacheKeys();
 | 
	
		
			
				|  |  | +          for (const possibleURL of generateURLVariations(request.url, options)) {
 | 
	
		
			
				|  |  | +            const cacheKey = urlsToCacheKeys.get(possibleURL);
 | 
	
		
			
				|  |  | +            if (cacheKey) {
 | 
	
		
			
				|  |  | +              const integrity = precacheController.getIntegrityForCacheKey(cacheKey);
 | 
	
		
			
				|  |  | +              return {
 | 
	
		
			
				|  |  | +                cacheKey,
 | 
	
		
			
				|  |  | +                integrity
 | 
	
		
			
				|  |  | +              };
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.debug(`Precaching did not find a match for ` + getFriendlyURL(request.url));
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return;
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        super(match, precacheController.strategy);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Add a `fetch` listener to the service worker that will
 | 
	
		
			
				|  |  | +     * respond to
 | 
	
		
			
				|  |  | +     * [network requests]{@link https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API/Using_Service_Workers#Custom_responses_to_requests}
 | 
	
		
			
				|  |  | +     * with precached assets.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * Requests for assets that aren't precached, the `FetchEvent` will not be
 | 
	
		
			
				|  |  | +     * responded to, allowing the event to fall through to other `fetch` event
 | 
	
		
			
				|  |  | +     * listeners.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {Object} [options] See the {@link workbox-precaching.PrecacheRoute}
 | 
	
		
			
				|  |  | +     * options.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function addRoute(options) {
 | 
	
		
			
				|  |  | +      const precacheController = getOrCreatePrecacheController();
 | 
	
		
			
				|  |  | +      const precacheRoute = new PrecacheRoute(precacheController, options);
 | 
	
		
			
				|  |  | +      registerRoute(precacheRoute);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Adds items to the precache list, removing any duplicates and
 | 
	
		
			
				|  |  | +     * stores the files in the
 | 
	
		
			
				|  |  | +     * {@link workbox-core.cacheNames|"precache cache"} when the service
 | 
	
		
			
				|  |  | +     * worker installs.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This method can be called multiple times.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * Please note: This method **will not** serve any of the cached files for you.
 | 
	
		
			
				|  |  | +     * It only precaches files. To respond to a network request you call
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.addRoute}.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * If you have a single array of files to precache, you can just call
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.precacheAndRoute}.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {Array<Object|string>} [entries=[]] Array of entries to precache.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function precache(entries) {
 | 
	
		
			
				|  |  | +      const precacheController = getOrCreatePrecacheController();
 | 
	
		
			
				|  |  | +      precacheController.precache(entries);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * This method will add entries to the precache list and add a route to
 | 
	
		
			
				|  |  | +     * respond to fetch events.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This is a convenience method that will call
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.precache} and
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.addRoute} in a single call.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {Array<Object|string>} entries Array of entries to precache.
 | 
	
		
			
				|  |  | +     * @param {Object} [options] See the
 | 
	
		
			
				|  |  | +     * {@link workbox-precaching.PrecacheRoute} options.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function precacheAndRoute(entries, options) {
 | 
	
		
			
				|  |  | +      precache(entries);
 | 
	
		
			
				|  |  | +      addRoute(options);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    const SUBSTRING_TO_FIND = '-precache-';
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Cleans up incompatible precaches that were created by older versions of
 | 
	
		
			
				|  |  | +     * Workbox, by a service worker registered under the current scope.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This is meant to be called as part of the `activate` event.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * This should be safe to use as long as you don't include `substringToFind`
 | 
	
		
			
				|  |  | +     * (defaulting to `-precache-`) in your non-precache cache names.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {string} currentPrecacheName The cache name currently in use for
 | 
	
		
			
				|  |  | +     * precaching. This cache won't be deleted.
 | 
	
		
			
				|  |  | +     * @param {string} [substringToFind='-precache-'] Cache names which include this
 | 
	
		
			
				|  |  | +     * substring will be deleted (excluding `currentPrecacheName`).
 | 
	
		
			
				|  |  | +     * @return {Array<string>} A list of all the cache names that were deleted.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @private
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    const deleteOutdatedCaches = async (currentPrecacheName, substringToFind = SUBSTRING_TO_FIND) => {
 | 
	
		
			
				|  |  | +      const cacheNames = await self.caches.keys();
 | 
	
		
			
				|  |  | +      const cacheNamesToDelete = cacheNames.filter(cacheName => {
 | 
	
		
			
				|  |  | +        return cacheName.includes(substringToFind) && cacheName.includes(self.registration.scope) && cacheName !== currentPrecacheName;
 | 
	
		
			
				|  |  | +      });
 | 
	
		
			
				|  |  | +      await Promise.all(cacheNamesToDelete.map(cacheName => self.caches.delete(cacheName)));
 | 
	
		
			
				|  |  | +      return cacheNamesToDelete;
 | 
	
		
			
				|  |  | +    };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Adds an `activate` event listener which will clean up incompatible
 | 
	
		
			
				|  |  | +     * precaches that were created by older versions of Workbox.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function cleanupOutdatedCaches() {
 | 
	
		
			
				|  |  | +      // See https://github.com/Microsoft/TypeScript/issues/28357#issuecomment-436484705
 | 
	
		
			
				|  |  | +      self.addEventListener('activate', event => {
 | 
	
		
			
				|  |  | +        const cacheName = cacheNames.getPrecacheName();
 | 
	
		
			
				|  |  | +        event.waitUntil(deleteOutdatedCaches(cacheName).then(cachesDeleted => {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            if (cachesDeleted.length > 0) {
 | 
	
		
			
				|  |  | +              logger.log(`The following out-of-date precaches were cleaned up ` + `automatically:`, cachesDeleted);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }));
 | 
	
		
			
				|  |  | +      });
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2018 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * NavigationRoute makes it easy to create a
 | 
	
		
			
				|  |  | +     * {@link workbox-routing.Route} that matches for browser
 | 
	
		
			
				|  |  | +     * [navigation requests]{@link https://developers.google.com/web/fundamentals/primers/service-workers/high-performance-loading#first_what_are_navigation_requests}.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * It will only match incoming Requests whose
 | 
	
		
			
				|  |  | +     * {@link https://fetch.spec.whatwg.org/#concept-request-mode|mode}
 | 
	
		
			
				|  |  | +     * is set to `navigate`.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * You can optionally only apply this route to a subset of navigation requests
 | 
	
		
			
				|  |  | +     * by using one or both of the `denylist` and `allowlist` parameters.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-routing
 | 
	
		
			
				|  |  | +     * @extends workbox-routing.Route
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    class NavigationRoute extends Route {
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * If both `denylist` and `allowlist` are provided, the `denylist` will
 | 
	
		
			
				|  |  | +       * take precedence and the request will not match this route.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * The regular expressions in `allowlist` and `denylist`
 | 
	
		
			
				|  |  | +       * are matched against the concatenated
 | 
	
		
			
				|  |  | +       * [`pathname`]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/pathname}
 | 
	
		
			
				|  |  | +       * and [`search`]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLHyperlinkElementUtils/search}
 | 
	
		
			
				|  |  | +       * portions of the requested URL.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * *Note*: These RegExps may be evaluated against every destination URL during
 | 
	
		
			
				|  |  | +       * a navigation. Avoid using
 | 
	
		
			
				|  |  | +       * [complex RegExps](https://github.com/GoogleChrome/workbox/issues/3077),
 | 
	
		
			
				|  |  | +       * or else your users may see delays when navigating your site.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {workbox-routing~handlerCallback} handler A callback
 | 
	
		
			
				|  |  | +       * function that returns a Promise resulting in a Response.
 | 
	
		
			
				|  |  | +       * @param {Object} options
 | 
	
		
			
				|  |  | +       * @param {Array<RegExp>} [options.denylist] If any of these patterns match,
 | 
	
		
			
				|  |  | +       * the route will not handle the request (even if a allowlist RegExp matches).
 | 
	
		
			
				|  |  | +       * @param {Array<RegExp>} [options.allowlist=[/./]] If any of these patterns
 | 
	
		
			
				|  |  | +       * match the URL's pathname and search parameter, the route will handle the
 | 
	
		
			
				|  |  | +       * request (assuming the denylist doesn't match).
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      constructor(handler, {
 | 
	
		
			
				|  |  | +        allowlist = [/./],
 | 
	
		
			
				|  |  | +        denylist = []
 | 
	
		
			
				|  |  | +      } = {}) {
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          finalAssertExports.isArrayOfClass(allowlist, RegExp, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'NavigationRoute',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'options.allowlist'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +          finalAssertExports.isArrayOfClass(denylist, RegExp, {
 | 
	
		
			
				|  |  | +            moduleName: 'workbox-routing',
 | 
	
		
			
				|  |  | +            className: 'NavigationRoute',
 | 
	
		
			
				|  |  | +            funcName: 'constructor',
 | 
	
		
			
				|  |  | +            paramName: 'options.denylist'
 | 
	
		
			
				|  |  | +          });
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        super(options => this._match(options), handler);
 | 
	
		
			
				|  |  | +        this._allowlist = allowlist;
 | 
	
		
			
				|  |  | +        this._denylist = denylist;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /**
 | 
	
		
			
				|  |  | +       * Routes match handler.
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @param {Object} options
 | 
	
		
			
				|  |  | +       * @param {URL} options.url
 | 
	
		
			
				|  |  | +       * @param {Request} options.request
 | 
	
		
			
				|  |  | +       * @return {boolean}
 | 
	
		
			
				|  |  | +       *
 | 
	
		
			
				|  |  | +       * @private
 | 
	
		
			
				|  |  | +       */
 | 
	
		
			
				|  |  | +      _match({
 | 
	
		
			
				|  |  | +        url,
 | 
	
		
			
				|  |  | +        request
 | 
	
		
			
				|  |  | +      }) {
 | 
	
		
			
				|  |  | +        if (request && request.mode !== 'navigate') {
 | 
	
		
			
				|  |  | +          return false;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        const pathnameAndSearch = url.pathname + url.search;
 | 
	
		
			
				|  |  | +        for (const regExp of this._denylist) {
 | 
	
		
			
				|  |  | +          if (regExp.test(pathnameAndSearch)) {
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +              logger.log(`The navigation route ${pathnameAndSearch} is not ` + `being used, since the URL matches this denylist pattern: ` + `${regExp.toString()}`);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +            return false;
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        if (this._allowlist.some(regExp => regExp.test(pathnameAndSearch))) {
 | 
	
		
			
				|  |  | +          {
 | 
	
		
			
				|  |  | +            logger.debug(`The navigation route ${pathnameAndSearch} ` + `is being used.`);
 | 
	
		
			
				|  |  | +          }
 | 
	
		
			
				|  |  | +          return true;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          logger.log(`The navigation route ${pathnameAndSearch} is not ` + `being used, since the URL being navigated to doesn't ` + `match the allowlist.`);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        return false;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    /*
 | 
	
		
			
				|  |  | +      Copyright 2019 Google LLC
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      Use of this source code is governed by an MIT-style
 | 
	
		
			
				|  |  | +      license that can be found in the LICENSE file or at
 | 
	
		
			
				|  |  | +      https://opensource.org/licenses/MIT.
 | 
	
		
			
				|  |  | +    */
 | 
	
		
			
				|  |  | +    /**
 | 
	
		
			
				|  |  | +     * Helper function that calls
 | 
	
		
			
				|  |  | +     * {@link PrecacheController#createHandlerBoundToURL} on the default
 | 
	
		
			
				|  |  | +     * {@link PrecacheController} instance.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * If you are creating your own {@link PrecacheController}, then call the
 | 
	
		
			
				|  |  | +     * {@link PrecacheController#createHandlerBoundToURL} on that instance,
 | 
	
		
			
				|  |  | +     * instead of using this function.
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @param {string} url The precached URL which will be used to lookup the
 | 
	
		
			
				|  |  | +     * `Response`.
 | 
	
		
			
				|  |  | +     * @param {boolean} [fallbackToNetwork=true] Whether to attempt to get the
 | 
	
		
			
				|  |  | +     * response from the network if there's a precache miss.
 | 
	
		
			
				|  |  | +     * @return {workbox-routing~handlerCallback}
 | 
	
		
			
				|  |  | +     *
 | 
	
		
			
				|  |  | +     * @memberof workbox-precaching
 | 
	
		
			
				|  |  | +     */
 | 
	
		
			
				|  |  | +    function createHandlerBoundToURL(url) {
 | 
	
		
			
				|  |  | +      const precacheController = getOrCreatePrecacheController();
 | 
	
		
			
				|  |  | +      return precacheController.createHandlerBoundToURL(url);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    exports.CacheableResponsePlugin = CacheableResponsePlugin;
 | 
	
		
			
				|  |  | +    exports.ExpirationPlugin = ExpirationPlugin;
 | 
	
		
			
				|  |  | +    exports.NavigationRoute = NavigationRoute;
 | 
	
		
			
				|  |  | +    exports.NetworkOnly = NetworkOnly;
 | 
	
		
			
				|  |  | +    exports.cleanupOutdatedCaches = cleanupOutdatedCaches;
 | 
	
		
			
				|  |  | +    exports.clientsClaim = clientsClaim;
 | 
	
		
			
				|  |  | +    exports.createHandlerBoundToURL = createHandlerBoundToURL;
 | 
	
		
			
				|  |  | +    exports.precacheAndRoute = precacheAndRoute;
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				|  |  | +    exports.registerRoute = registerRoute;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +}));
 |