fix: PWA not working after CRA@5 update (#6012)

* fix: PWA not working after CRA@5 update

* fix: fallback to default locale when fetch fails

package.json

@@ -31,6 +31,7 @@
     "@types/socket.io-client": "1.4.36",
     "browser-fs-access": "0.29.1",
     "clsx": "1.1.1",
+    "cross-env": "7.0.3",
     "fake-indexeddb": "3.1.7",
     "firebase": "8.3.3",
     "i18next-browser-languagedetector": "6.1.4",
@@ -54,7 +55,19 @@
     "roughjs": "4.5.2",
     "sass": "1.51.0",
     "socket.io-client": "2.3.1",
-    "typescript": "4.5.5"
+    "typescript": "4.5.5",
+    "workbox-background-sync": "^6.5.4",
+    "workbox-broadcast-update": "^6.5.4",
+    "workbox-cacheable-response": "^6.5.4",
+    "workbox-core": "^6.5.4",
+    "workbox-expiration": "^6.5.4",
+    "workbox-google-analytics": "^6.5.4",
+    "workbox-navigation-preload": "^6.5.4",
+    "workbox-precaching": "^6.5.4",
+    "workbox-range-requests": "^6.5.4",
+    "workbox-routing": "^6.5.4",
+    "workbox-strategies": "^6.5.4",
+    "workbox-streams": "^6.5.4"
   },
   "devDependencies": {
     "@excalidraw/eslint-config": "1.0.0",
@@ -67,6 +80,7 @@
     "dotenv": "16.0.1",
     "eslint-config-prettier": "8.5.0",
     "eslint-plugin-prettier": "3.3.1",
+    "http-server": "14.1.1",
     "husky": "7.0.4",
     "jest-canvas-mock": "2.4.0",
     "lint-staged": "12.3.7",
@@ -90,10 +104,9 @@
   "scripts": {
     "build-node": "node ./scripts/build-node.js",
     "build:app:docker": "REACT_APP_DISABLE_SENTRY=true react-scripts build",
-    "build:app": "REACT_APP_GIT_SHA=$VERCEL_GIT_COMMIT_SHA react-scripts build",
+    "build:app": "cross-env REACT_APP_GIT_SHA=$VERCEL_GIT_COMMIT_SHA react-scripts build",
     "build:version": "node ./scripts/build-version.js",
-    "build:prebuild": "node ./scripts/prebuild.js",
-    "build": "yarn build:prebuild && yarn build:app && yarn build:version",
+    "build": "yarn build:app && yarn build:version",
     "eject": "react-scripts eject",
     "fix:code": "yarn test:code --fix",
     "fix:other": "yarn prettier --write",
@@ -103,6 +116,7 @@
     "prepare": "husky install",
     "prettier": "prettier \"**/*.{css,scss,json,md,html,yml}\" --ignore-path=.eslintignore",
     "start": "react-scripts start",
+    "start:production": "npm run build && npx http-server build -a localhost -p 5001 -o",
     "test:all": "yarn test:typecheck && yarn test:code && yarn test:other && yarn test:app --watchAll=false",
     "test:app": "react-scripts test --passWithNoTests",
     "test:code": "eslint --max-warnings=0 --ext .js,.ts,.tsx .",

public/service-worker.js

@@ -1,81 +0,0 @@
-// eslint-disable-next-line no-restricted-globals
-// eslint-disable-next-line no-unused-expressions
-
-/* eslint-disable no-restricted-globals */
-/* global importScripts, workbox */
-
-/**
- * Welcome to your Workbox-powered service worker!
- *
- * You'll need to register this file in your web app and you should
- * disable HTTP caching for this file too.
- * See https://goo.gl/nhQhGp
- *
- * The rest of the code is auto-generated. Please don't update this file
- * directly; instead, make changes to your Workbox build configuration
- * and re-run your build process.
- * See https://goo.gl/2aRDsh
- */
-
-// in dev, `process` is undefined because this file is not compiled until build
-const IS_DEVELOPMENT =
-  typeof process === "undefined" || process.env.NODE_ENV !== "production";
-
-if (IS_DEVELOPMENT) {
-  importScripts(
-    "https://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js",
-  );
-  workbox.setConfig({
-    debug: true,
-  });
-} else {
-  importScripts("/workbox/workbox-sw.js");
-  workbox.setConfig({
-    modulePathPrefix: "/workbox/",
-  });
-}
-
-self.addEventListener("message", (event) => {
-  if (event.data && event.data.type === "SKIP_WAITING") {
-    self.skipWaiting();
-  }
-});
-
-workbox.core.clientsClaim();
-
-if (!IS_DEVELOPMENT) {
-  workbox.precaching.precacheAndRoute(self.__WB_MANIFEST);
-
-  workbox.routing.registerNavigationRoute(
-    workbox.precaching.getCacheKeyForURL("./index.html"),
-    {
-      blacklist: [/^\/_/, /\/[^/?]+\.[^/]+$/],
-    },
-  );
-}
-
-// Cache relevant font files
-workbox.routing.registerRoute(
-  new RegExp("/(fonts.css|.+.(ttf|woff2|otf))"),
-  new workbox.strategies.StaleWhileRevalidate({
-    cacheName: "fonts",
-    plugins: [new workbox.expiration.Plugin({ maxEntries: 10 })],
-  }),
-);
-
-self.addEventListener("fetch", (event) => {
-  if (
-    event.request.method === "POST" &&
-    event.request.url.endsWith("/web-share-target")
-  ) {
-    return event.respondWith(
-      (async () => {
-        const formData = await event.request.formData();
-        const file = formData.get("file");
-        const webShareTargetCache = await caches.open("web-share-target");
-        await webShareTargetCache.put("shared-file", new Response(file));
-        return Response.redirect("/?web-share-target", 303);
-      })(),
-    );
-  }
-});

scripts/prebuild.js

@@ -1,21 +0,0 @@
-const fs = require("fs");
-const path = require("path");
-
-// for development purposes we want to have the service-worker.js file
-// accessible from the public folder. On build though, we need to compile it
-// and CRA expects that file to be in src/ folder.
-const moveServiceWorkerScript = () => {
-  const oldPath = path.resolve(__dirname, "../public/service-worker.js");
-  const newPath = path.resolve(__dirname, "../src/service-worker.js");
-
-  fs.rename(oldPath, newPath, (error) => {
-    if (error) {
-      throw error;
-    }
-    console.info("public/service-worker.js moved to src/");
-  });
-};
-
-// -----------------------------------------------------------------------------
-
-moveServiceWorkerScript();

src/excalidraw-app/pwa.ts

@@ -1,4 +1,4 @@
-import { register as registerServiceWorker } from "../serviceWorker";
+import { register as registerServiceWorker } from "../serviceWorkerRegistration";
 import { EVENT } from "../constants";
 
 // On Apple mobile devices add the proprietary app icon and splashscreen markup.

src/i18n.ts

@@ -90,9 +90,14 @@ export const setLanguage = async (lang: Language) => {
   if (lang.code.startsWith(TEST_LANG_CODE)) {
     currentLangData = {};
   } else {
-    currentLangData = await import(
-      /* webpackChunkName: "locales/[request]" */ `./locales/${currentLang.code}.json`
-    );
+    try {
+      currentLangData = await import(
+        /* webpackChunkName: "locales/[request]" */ `./locales/${currentLang.code}.json`
+      );
+    } catch (error: any) {
+      console.error(`Failed to load language ${lang.code}:`, error.message);
+      currentLangData = fallbackLangData;
+    }
   }
 };
 

src/service-worker.ts

@@ -0,0 +1,147 @@
+/// <reference lib="webworker" />
+/* eslint-disable no-restricted-globals */
+
+// This service worker can be customized!
+// See https://developers.google.com/web/tools/workbox/modules
+// for the list of available Workbox modules, or add any other
+// code you'd like.
+// You can also remove this file if you'd prefer not to use a
+// service worker, and the Workbox build step will be skipped.
+
+import { clientsClaim } from "workbox-core";
+import { ExpirationPlugin } from "workbox-expiration";
+import { precacheAndRoute, createHandlerBoundToURL } from "workbox-precaching";
+import { registerRoute } from "workbox-routing";
+import { CacheFirst, StaleWhileRevalidate } from "workbox-strategies";
+
+declare const self: ServiceWorkerGlobalScope;
+
+clientsClaim();
+
+// Precache assets generated by your build process.
+//
+// Their URLs are injected into the __WB_MANIFEST during build (by workbox).
+//
+// This variable must be present somewhere in your service worker file,
+// even if you decide not to use precaching. See https://cra.link/PWA.
+//
+// We don't want to precache i18n files so we filter them out
+// (normally this should be configured in a webpack workbox plugin, but we don't
+// have access to it in CRA) — this is because all users will use at most
+// one or two languages, so there's no point fetching all of them. (They'll
+// be cached as you load them.)
+const manifest = self.__WB_MANIFEST.filter((entry) => {
+  return !/locales\/[\w-]+json/.test(
+    typeof entry === "string" ? entry : entry.url,
+  );
+});
+
+precacheAndRoute(manifest);
+
+// Set up App Shell-style routing, so that all navigation requests
+// are fulfilled with your index.html shell. Learn more at
+// https://developer.chrome.com/docs/workbox/app-shell-model/
+//
+// below is copied verbatim from CRA@5
+const fileExtensionRegexp = new RegExp("/[^/?]+\\.[^/]+$");
+registerRoute(
+  // Return false to exempt requests from being fulfilled by index.html.
+  ({ request, url }: { request: Request; url: URL }) => {
+    // If this isn't a navigation, skip.
+    if (request.mode !== "navigate") {
+      return false;
+    }
+
+    // If this is a URL that starts with /_, skip.
+    if (url.pathname.startsWith("/_")) {
+      return false;
+    }
+
+    // If this looks like a URL for a resource, because it contains
+    // a file extension, skip.
+    if (url.pathname.match(fileExtensionRegexp)) {
+      return false;
+    }
+
+    // Return true to signal that we want to use the handler.
+    return true;
+  },
+  createHandlerBoundToURL(`${process.env.PUBLIC_URL}/index.html`),
+);
+
+// Cache resources that aren't being precached
+// -----------------------------------------------------------------------------
+
+registerRoute(
+  new RegExp("/fonts.css"),
+  new StaleWhileRevalidate({
+    cacheName: "fonts",
+    plugins: [
+      // Ensure that once this runtime cache reaches a maximum size the
+      // least-recently used images are removed.
+      new ExpirationPlugin({ maxEntries: 50 }),
+    ],
+  }),
+);
+
+// since we serve fonts from, don't forget to append new ?v= param when
+// updating fonts (glyphs) without changing the filename
+registerRoute(
+  new RegExp("/.+.(ttf|woff2|otf)"),
+  new CacheFirst({
+    cacheName: "fonts",
+    plugins: [
+      // Ensure that once this runtime cache reaches a maximum size the
+      // least-recently used images are removed.
+      new ExpirationPlugin({
+        maxEntries: 50,
+        // 90 days
+        maxAgeSeconds: 7776000000,
+      }),
+    ],
+  }),
+);
+
+registerRoute(
+  new RegExp("/locales\\/[\\w-]+json"),
+  // Customize this strategy as needed, e.g., by changing to CacheFirst.
+  new CacheFirst({
+    cacheName: "locales",
+    plugins: [
+      // Ensure that once this runtime cache reaches a maximum size the
+      // least-recently used images are removed.
+      new ExpirationPlugin({
+        maxEntries: 50,
+        // 30 days
+        maxAgeSeconds: 2592000000,
+      }),
+    ],
+  }),
+);
+
+// -----------------------------------------------------------------------------
+
+self.addEventListener("fetch", (event) => {
+  if (
+    event.request.method === "POST" &&
+    event.request.url.endsWith("/web-share-target")
+  ) {
+    return event.respondWith(
+      (async () => {
+        const formData = await event.request.formData();
+        const file = formData.get("file");
+        const webShareTargetCache = await caches.open("web-share-target");
+        await webShareTargetCache.put("shared-file", new Response(file));
+        return Response.redirect("/?web-share-target", 303);
+      })(),
+    );
+  }
+});
+
+// This allows the web app to trigger skipWaiting via
+// registration.waiting.postMessage({type: 'SKIP_WAITING'})
+self.addEventListener("message", (event) => {
+  if (event.data && event.data.type === "SKIP_WAITING") {
+    self.skipWaiting();
+  }
+});

yarn.lock

@@ -3407,6 +3407,13 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
+async@^2.6.4:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
+  dependencies:
+    lodash "^4.17.14"
+
 async@^3.2.3:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/async/-/async-3.2.4.tgz#2d22e00f8cddeb5fde5dd33522b56d1cf569a81c"
@@ -3610,6 +3617,13 @@ base64-arraybuffer@0.1.4:
   resolved "https://registry.yarnpkg.com/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz#9818c79e059b1355f97e0428a017c838e90ba812"
   integrity sha512-a1eIFi4R9ySrbiMuyTGx5e92uRH5tQY6kArNcFaKBUleIoLjdjBg7Zxm3Mqm3Kmkf27HLR/1fnxX9q8GQ7Iavg==
 
+basic-auth@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
+  integrity sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==
+  dependencies:
+    safe-buffer "5.1.2"
+
 batch@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
@@ -4149,6 +4163,11 @@ core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.3.tgz#a6042d3634c2b27e9328f837b965fac83808db85"
   integrity sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==
 
+corser@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/corser/-/corser-2.0.1.tgz#8eda252ecaab5840dcd975ceb90d9370c819ff87"
+  integrity sha512-utCYNzRSQIZNPIcGZdQc92UVJYAhtGAteCFg0yRaFm8f0P+CPtyGyHXJcGXnffjCybUCEx3FQ2G7U3/o9eIkVQ==
+
 cosmiconfig@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-6.0.0.tgz#da4fee853c52f6b1e6935f41c1a2fc50bd4a9982"
@@ -4176,7 +4195,14 @@ crc-32@^0.3.0:
   resolved "https://registry.yarnpkg.com/crc-32/-/crc-32-0.3.0.tgz#6a3d3687f5baec41f7e9b99fe1953a2e5d19775e"
   integrity sha512-kucVIjOmMc1f0tv53BJ/5WIX+MGLcKuoBhnGqQrgKJNqLByb/sVMWfW/Aw6hw0jgcqjJ2pi9E5y32zOIpaUlsA==
 
-cross-spawn@^7.0.2, cross-spawn@^7.0.3:
+cross-env@7.0.3:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
+  integrity sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==
+  dependencies:
+    cross-spawn "^7.0.1"
+
+cross-spawn@^7.0.1, cross-spawn@^7.0.2, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
   integrity sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==
@@ -5909,6 +5935,13 @@ html-encoding-sniffer@^2.0.1:
   dependencies:
     whatwg-encoding "^1.0.5"
 
+html-encoding-sniffer@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-3.0.0.tgz#2cb1a8cf0db52414776e5b2a7a04d5dd98158de9"
+  integrity sha512-oWv4T4yJ52iKrufjnyZPkrN0CH3QnrUqdB6In1g5Fe1mia8GmF36gnfNySxoZtxD5+NmYw1EElVXiBk93UeskA==
+  dependencies:
+    whatwg-encoding "^2.0.0"
+
 html-entities@^2.1.0, html-entities@^2.3.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-2.3.3.tgz#117d7626bece327fc8baace8868fa6f5ef856e46"
@@ -6013,6 +6046,25 @@ http-proxy@^1.18.1:
     follow-redirects "^1.0.0"
     requires-port "^1.0.0"
 
+http-server@14.1.1:
+  version "14.1.1"
+  resolved "https://registry.yarnpkg.com/http-server/-/http-server-14.1.1.tgz#d60fbb37d7c2fdff0f0fbff0d0ee6670bd285e2e"
+  integrity sha512-+cbxadF40UXd9T01zUHgA+rlo2Bg1Srer4+B4NwIHdaGxAGGv59nYRnGGDJ9LBk7alpS0US+J+bLLdQOOkJq4A==
+  dependencies:
+    basic-auth "^2.0.1"
+    chalk "^4.1.2"
+    corser "^2.0.1"
+    he "^1.2.0"
+    html-encoding-sniffer "^3.0.0"
+    http-proxy "^1.18.1"
+    mime "^1.6.0"
+    minimist "^1.2.6"
+    opener "^1.5.1"
+    portfinder "^1.0.28"
+    secure-compare "3.0.1"
+    union "~0.5.0"
+    url-join "^4.0.1"
+
 https-proxy-agent@^5.0.0:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz#c59ef224a04fe8b754f3db0063a25ea30d0005d6"
@@ -6045,7 +6097,7 @@ iconv-lite@0.4.24:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-iconv-lite@^0.6.3:
+iconv-lite@0.6.3, iconv-lite@^0.6.3:
   version "0.6.3"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.3.tgz#a52f80bf38da1952eb5c681790719871a1a72501"
   integrity sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==
@@ -7358,7 +7410,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha512-xfBaXQd9ryd9dlSDvnvI0lvxfLJlYAZzXomUYzLKtUeOQvOP5piqAWuGtrhWeqaXK9hhoM/iyJc5AV+XfsX3HQ==
 
-lodash@^4.17.15, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.7.0:
+lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.20, lodash@^4.17.21, lodash@^4.7.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -7499,7 +7551,7 @@ mime-types@^2.1.12, mime-types@^2.1.27, mime-types@^2.1.31, mime-types@~2.1.17,
   dependencies:
     mime-db "1.52.0"
 
-mime@1.6.0:
+mime@1.6.0, mime@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
@@ -7545,7 +7597,7 @@ minimist@^1.2.0, minimist@^1.2.6:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.7.tgz#daa1c4d91f507390437c6a8bc01078e7000c4d18"
   integrity sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==
 
-mkdirp@~0.5.1:
+mkdirp@^0.5.6, mkdirp@~0.5.1:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.6.tgz#7def03d2432dcae4ba1d611445c48396062255f6"
   integrity sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==
@@ -7826,6 +7878,11 @@ open@^8.0.9, open@^8.4.0:
     is-docker "^2.1.1"
     is-wsl "^2.2.0"
 
+opener@^1.5.1:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/opener/-/opener-1.5.2.tgz#5d37e1f35077b9dcac4301372271afdeb2a13598"
+  integrity sha512-ur5UIdyw5Y7yEj9wLzhqXiy6GZ3Mwx0yGI+5sMn2r0N0v3cKJvUmFH5yPP+WXh9e0xfyzyJX95D8l088DNFj7A==
+
 optionator@^0.8.1:
   version "0.8.3"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.3.tgz#84fa1d036fe9d3c7e21d99884b601167ec8fb495"
@@ -8111,6 +8168,15 @@ points-on-path@^0.2.1:
     path-data-parser "0.1.0"
     points-on-curve "0.2.0"
 
+portfinder@^1.0.28:
+  version "1.0.32"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.32.tgz#2fe1b9e58389712429dc2bea5beb2146146c7f81"
+  integrity sha512-on2ZJVVDXRADWE6jnQaX0ioEylzgBpQk8r55NE4wjXW1ZxO+BgDlY6DXwj20i0V8eB4SenDQ00WEaxfiIQPcxg==
+  dependencies:
+    async "^2.6.4"
+    debug "^3.2.7"
+    mkdirp "^0.5.6"
+
 postcss-attribute-case-insensitive@^5.0.2:
   version "5.0.2"
   resolved "https://registry.yarnpkg.com/postcss-attribute-case-insensitive/-/postcss-attribute-case-insensitive-5.0.2.tgz#03d761b24afc04c09e757e92ff53716ae8ea2741"
@@ -8830,7 +8896,7 @@ q@^1.1.2:
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"
   integrity sha512-kV/CThkXo6xyFEZUugw/+pIOywXcDbFYgSct5cT3gqlbkBE1SJdwy6UQoZvodiWF/ckQLZyDE/Bu1M6gVu5lVw==
 
-qs@6.11.0:
+qs@6.11.0, qs@^6.4.0:
   version "6.11.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.11.0.tgz#fd0d963446f7a65e1367e01abd85429453f0c37a"
   integrity sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==
@@ -9417,6 +9483,11 @@ schema-utils@^4.0.0:
     ajv-formats "^2.1.1"
     ajv-keywords "^5.0.0"
 
+secure-compare@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/secure-compare/-/secure-compare-3.0.1.tgz#f1a0329b308b221fae37b9974f3d578d0ca999e3"
+  integrity sha512-AckIIV90rPDcBcglUwXPF3kg0P0qmPsPXAj6BBEENQE1p5yA1xfmDJzfi1Tappj37Pv2mVbKpL3Z1T+Nn7k1Qw==
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
@@ -10277,6 +10348,13 @@ unicode-property-aliases-ecmascript@^2.0.0:
   resolved "https://registry.yarnpkg.com/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-2.1.0.tgz#43d41e3be698bd493ef911077c9b131f827e8ccd"
   integrity sha512-6t3foTQI9qne+OZoVQB/8x8rk2k1eVy1gRXhV3oFQ5T6R1dqQ1xtin3XqSlx3+ATBkliTaR/hHyJBm+LVPNM8w==
 
+union@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/union/-/union-0.5.0.tgz#b2c11be84f60538537b846edb9ba266ba0090075"
+  integrity sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==
+  dependencies:
+    qs "^6.4.0"
+
 unique-string@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/unique-string/-/unique-string-2.0.0.tgz#39c6451f81afb2749de2b233e3f7c5e8843bd89d"
@@ -10324,6 +10402,11 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
+url-join@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/url-join/-/url-join-4.0.1.tgz#b642e21a2646808ffa178c4c5fda39844e12cde7"
+  integrity sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==
+
 url-parse@^1.5.3:
   version "1.5.10"
   resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.10.tgz#9d3c2f736c1d75dd3bd2be507dcc111f1e2ea9c1"
@@ -10563,6 +10646,13 @@ whatwg-encoding@^1.0.5:
   dependencies:
     iconv-lite "0.4.24"
 
+whatwg-encoding@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-2.0.0.tgz#e7635f597fd87020858626805a2729fa7698ac53"
+  integrity sha512-p41ogyeMUrw3jWclHWTQg1k05DSVXPLcVxRTYsXUk+ZooOCZLcoYgPZ/HL/D/N+uQPOtcp1me1WhBEaX02mhWg==
+  dependencies:
+    iconv-lite "0.6.3"
+
 whatwg-fetch@2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
@@ -10648,7 +10738,7 @@ word-wrap@^1.2.3, word-wrap@~1.2.3:
   resolved "https://registry.yarnpkg.com/word-wrap/-/word-wrap-1.2.3.tgz#610636f6b1f703891bd34771ccb17fb93b47079c"
   integrity sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==
 
-workbox-background-sync@6.5.4:
+workbox-background-sync@6.5.4, workbox-background-sync@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-background-sync/-/workbox-background-sync-6.5.4.tgz#3141afba3cc8aa2ae14c24d0f6811374ba8ff6a9"
   integrity sha512-0r4INQZMyPky/lj4Ou98qxcThrETucOde+7mRGJl13MPJugQNKeZQOdIJe/1AchOP23cTqHcN/YVpD6r8E6I8g==
@@ -10656,7 +10746,7 @@ workbox-background-sync@6.5.4:
     idb "^7.0.1"
     workbox-core "6.5.4"
 
-workbox-broadcast-update@6.5.4:
+workbox-broadcast-update@6.5.4, workbox-broadcast-update@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-broadcast-update/-/workbox-broadcast-update-6.5.4.tgz#8441cff5417cd41f384ba7633ca960a7ffe40f66"
   integrity sha512-I/lBERoH1u3zyBosnpPEtcAVe5lwykx9Yg1k6f8/BGEPGaMMgZrwVrqL1uA9QZ1NGGFoyE6t9i7lBjOlDhFEEw==
@@ -10706,19 +10796,19 @@ workbox-build@6.5.4:
     workbox-sw "6.5.4"
     workbox-window "6.5.4"
 
-workbox-cacheable-response@6.5.4:
+workbox-cacheable-response@6.5.4, workbox-cacheable-response@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-cacheable-response/-/workbox-cacheable-response-6.5.4.tgz#a5c6ec0c6e2b6f037379198d4ef07d098f7cf137"
   integrity sha512-DCR9uD0Fqj8oB2TSWQEm1hbFs/85hXXoayVwFKLVuIuxwJaihBsLsp4y7J9bvZbqtPJ1KlCkmYVGQKrBU4KAug==
   dependencies:
     workbox-core "6.5.4"
 
-workbox-core@6.5.4:
+workbox-core@6.5.4, workbox-core@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-core/-/workbox-core-6.5.4.tgz#df48bf44cd58bb1d1726c49b883fb1dffa24c9ba"
   integrity sha512-OXYb+m9wZm8GrORlV2vBbE5EC1FKu71GGp0H4rjmxmF4/HLbMCoTFws87M3dFwgpmg0v00K++PImpNQ6J5NQ6Q==
 
-workbox-expiration@6.5.4:
+workbox-expiration@6.5.4, workbox-expiration@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-expiration/-/workbox-expiration-6.5.4.tgz#501056f81e87e1d296c76570bb483ce5e29b4539"
   integrity sha512-jUP5qPOpH1nXtjGGh1fRBa1wJL2QlIb5mGpct3NzepjGG2uFFBn4iiEBiI9GUmfAFR2ApuRhDydjcRmYXddiEQ==
@@ -10726,7 +10816,7 @@ workbox-expiration@6.5.4:
     idb "^7.0.1"
     workbox-core "6.5.4"
 
-workbox-google-analytics@6.5.4:
+workbox-google-analytics@6.5.4, workbox-google-analytics@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-google-analytics/-/workbox-google-analytics-6.5.4.tgz#c74327f80dfa4c1954cbba93cd7ea640fe7ece7d"
   integrity sha512-8AU1WuaXsD49249Wq0B2zn4a/vvFfHkpcFfqAFHNHwln3jK9QUYmzdkKXGIZl9wyKNP+RRX30vcgcyWMcZ9VAg==
@@ -10736,14 +10826,14 @@ workbox-google-analytics@6.5.4:
     workbox-routing "6.5.4"
     workbox-strategies "6.5.4"
 
-workbox-navigation-preload@6.5.4:
+workbox-navigation-preload@6.5.4, workbox-navigation-preload@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-navigation-preload/-/workbox-navigation-preload-6.5.4.tgz#ede56dd5f6fc9e860a7e45b2c1a8f87c1c793212"
   integrity sha512-IIwf80eO3cr8h6XSQJF+Hxj26rg2RPFVUmJLUlM0+A2GzB4HFbQyKkrgD5y2d84g2IbJzP4B4j5dPBRzamHrng==
   dependencies:
     workbox-core "6.5.4"
 
-workbox-precaching@6.5.4:
+workbox-precaching@6.5.4, workbox-precaching@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-precaching/-/workbox-precaching-6.5.4.tgz#740e3561df92c6726ab5f7471e6aac89582cab72"
   integrity sha512-hSMezMsW6btKnxHB4bFy2Qfwey/8SYdGWvVIKFaUm8vJ4E53JAY+U2JwLTRD8wbLWoP6OVUdFlXsTdKu9yoLTg==
@@ -10752,7 +10842,7 @@ workbox-precaching@6.5.4:
     workbox-routing "6.5.4"
     workbox-strategies "6.5.4"
 
-workbox-range-requests@6.5.4:
+workbox-range-requests@6.5.4, workbox-range-requests@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-range-requests/-/workbox-range-requests-6.5.4.tgz#86b3d482e090433dab38d36ae031b2bb0bd74399"
   integrity sha512-Je2qR1NXCFC8xVJ/Lux6saH6IrQGhMpDrPXWZWWS8n/RD+WZfKa6dSZwU+/QksfEadJEr/NfY+aP/CXFFK5JFg==
@@ -10771,21 +10861,21 @@ workbox-recipes@6.5.4:
     workbox-routing "6.5.4"
     workbox-strategies "6.5.4"
 
-workbox-routing@6.5.4:
+workbox-routing@6.5.4, workbox-routing@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-routing/-/workbox-routing-6.5.4.tgz#6a7fbbd23f4ac801038d9a0298bc907ee26fe3da"
   integrity sha512-apQswLsbrrOsBUWtr9Lf80F+P1sHnQdYodRo32SjiByYi36IDyL2r7BH1lJtFX8fwNHDa1QOVY74WKLLS6o5Pg==
   dependencies:
     workbox-core "6.5.4"
 
-workbox-strategies@6.5.4:
+workbox-strategies@6.5.4, workbox-strategies@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-strategies/-/workbox-strategies-6.5.4.tgz#4edda035b3c010fc7f6152918370699334cd204d"
   integrity sha512-DEtsxhx0LIYWkJBTQolRxG4EI0setTJkqR4m7r4YpBdxtWJH1Mbg01Cj8ZjNOO8etqfA3IZaOPHUxCs8cBsKLw==
   dependencies:
     workbox-core "6.5.4"
 
-workbox-streams@6.5.4:
+workbox-streams@6.5.4, workbox-streams@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/workbox-streams/-/workbox-streams-6.5.4.tgz#1cb3c168a6101df7b5269d0353c19e36668d7d69"
   integrity sha512-FXKVh87d2RFXkliAIheBojBELIPnWbQdyDvsH3t74Cwhg0fDheL1T8BqSM86hZvC0ZESLsznSYWw+Va+KVbUzg==