workbox-precaching.dev.js 45.2 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338
this.workbox = this.workbox || {};
this.workbox.precaching = (function (exports, assert_js, cacheNames_js, logger_js, WorkboxError_js, waitUntil_js, copyResponse_js, getFriendlyURL_js, Strategy_js, registerRoute_js, Route_js) {
    'use strict';

    try {
      self['workbox:precaching:6.5.3'] && _();
    } 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 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_js.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_js.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_js.logger.groupCollapsed(groupTitle);

      for (const url of deletedURLs) {
        logger_js.logger.log(url);
      }

      logger_js.logger.groupEnd();
    };
    /**
     * @param {Array<string>} deletedURLs
     *
     * @private
     * @memberof workbox-precaching
     */


    function printCleanupDetails(deletedURLs) {
      const deletionCount = deletedURLs.length;

      if (deletionCount > 0) {
        logger_js.logger.groupCollapsed(`During precaching cleanup, ` + `${deletionCount} cached ` + `request${deletionCount === 1 ? ' was' : 's were'} deleted.`);
        logGroup('Deleted Cache Requests', deletedURLs);
        logger_js.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_js.logger.groupCollapsed(groupTitle);

      for (const url of urls) {
        logger_js.logger.log(url);
      }

      logger_js.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_js.logger.groupCollapsed(message);

        _nestedGroup(`View newly precached URLs.`, urlsToPrecache);

        _nestedGroup(`View previously precached URLs.`, urlsAlreadyPrecached);

        logger_js.logger.groupEnd();
      }
    }

    /*
      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_js.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_js.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_js.logger.warn(`The precached response for ` + `${getFriendlyURL_js.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_js.logger.log(`A response for ${getFriendlyURL_js.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_js.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_js.logger.groupCollapsed(`Precaching is responding to: ` + getFriendlyURL_js.getFriendlyURL(request.url));
          logger_js.logger.log(`Serving the precached url: ${getFriendlyURL_js.getFriendlyURL(cacheKey instanceof Request ? cacheKey.url : cacheKey)}`);
          logger_js.logger.groupCollapsed(`View request details here.`);
          logger_js.logger.log(request);
          logger_js.logger.groupEnd();
          logger_js.logger.groupCollapsed(`View response details here.`);
          logger_js.logger.log(response);
          logger_js.logger.groupEnd();
          logger_js.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_js.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_js.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_js.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) {
        {
          assert_js.assert.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_js.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_js.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_js.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_js.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_js.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_js.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 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 plugins to the precaching strategy.
     *
     * @param {Array<Object>} plugins
     *
     * @memberof workbox-precaching
     */

    function addPlugins(plugins) {
      const precacheController = getOrCreatePrecacheController();
      precacheController.strategy.plugins.push(...plugins);
    }

    /*
      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_js.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_js.logger.debug(`Precaching did not find a match for ` + getFriendlyURL_js.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_js.registerRoute(precacheRoute);
    }

    /*
      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_js.cacheNames.getPrecacheName();
        event.waitUntil(deleteOutdatedCaches(cacheName).then(cachesDeleted => {
          {
            if (cachesDeleted.length > 0) {
              logger_js.logger.log(`The following out-of-date precaches were cleaned up ` + `automatically:`, cachesDeleted);
            }
          }
        }));
      });
    }

    /*
      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);
    }

    /*
      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.
    */
    /**
     * Takes in a URL, and returns the corresponding URL that could be used to
     * lookup the entry in the precache.
     *
     * If a relative URL is provided, the location of the service worker file will
     * be used as the base.
     *
     * For precached entries without revision information, the cache key will be the
     * same as the original URL.
     *
     * For precached entries with revision information, the cache key will be the
     * original URL with the addition of a query parameter used for keeping track of
     * the revision info.
     *
     * @param {string} url The URL whose cache key to look up.
     * @return {string} The cache key that corresponds to that URL.
     *
     * @memberof workbox-precaching
     */

    function getCacheKeyForURL(url) {
      const precacheController = getOrCreatePrecacheController();
      return precacheController.getCacheKeyForURL(url);
    }

    /*
      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#matchPrecache} on the default
     * {@link PrecacheController} instance.
     *
     * If you are creating your own {@link PrecacheController}, then call
     * {@link PrecacheController#matchPrecache} on that instance,
     * instead of using this function.
     *
     * @param {string|Request} request The key (without revisioning parameters)
     * to look up in the precache.
     * @return {Promise<Response|undefined>}
     *
     * @memberof workbox-precaching
     */

    function matchPrecache(request) {
      const precacheController = getOrCreatePrecacheController();
      return precacheController.matchPrecache(request);
    }

    /*
      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 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.
    */
    /**
     * `PrecacheFallbackPlugin` allows you to specify an "offline fallback"
     * response to be used when a given strategy is unable to generate a response.
     *
     * It does this by intercepting the `handlerDidError` plugin callback
     * and returning a precached response, taking the expected revision parameter
     * into account automatically.
     *
     * Unless you explicitly pass in a `PrecacheController` instance to the
     * constructor, the default instance will be used. Generally speaking, most
     * developers will end up using the default.
     *
     * @memberof workbox-precaching
     */

    class PrecacheFallbackPlugin {
      /**
       * Constructs a new PrecacheFallbackPlugin with the associated fallbackURL.
       *
       * @param {Object} config
       * @param {string} config.fallbackURL A precached URL to use as the fallback
       *     if the associated strategy can't generate a response.
       * @param {PrecacheController} [config.precacheController] An optional
       *     PrecacheController instance. If not provided, the default
       *     PrecacheController will be used.
       */
      constructor({
        fallbackURL,
        precacheController
      }) {
        /**
         * @return {Promise<Response>} The precache response for the fallback URL.
         *
         * @private
         */
        this.handlerDidError = () => this._precacheController.matchPrecache(this._fallbackURL);

        this._fallbackURL = fallbackURL;
        this._precacheController = precacheController || getOrCreatePrecacheController();
      }

    }

    exports.PrecacheController = PrecacheController;
    exports.PrecacheFallbackPlugin = PrecacheFallbackPlugin;
    exports.PrecacheRoute = PrecacheRoute;
    exports.PrecacheStrategy = PrecacheStrategy;
    exports.addPlugins = addPlugins;
    exports.addRoute = addRoute;
    exports.cleanupOutdatedCaches = cleanupOutdatedCaches;
    exports.createHandlerBoundToURL = createHandlerBoundToURL;
    exports.getCacheKeyForURL = getCacheKeyForURL;
    exports.matchPrecache = matchPrecache;
    exports.precache = precache;
    exports.precacheAndRoute = precacheAndRoute;

    return exports;

}({}, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core._private, workbox.core, workbox.core._private, workbox.strategies, workbox.routing, workbox.routing));
//# sourceMappingURL=workbox-precaching.dev.js.map