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@@ -0,0 +1,2744 @@
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+define(['exports'], (function (exports) { 'use strict';
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+
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+ try {
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+ self['workbox:core:6.5.2'] && _();
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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 self)) {
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+ self.__WB_DISABLE_DEV_LOGS = false;
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+ }
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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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+
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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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+
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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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+
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+ const styles = [`background: ${methodToColorMap[method]}`, `border-radius: 0.5em`, `color: white`, `font-weight: bold`, `padding: 2px 0.5em`]; // When in a group, the workbox prefix is not displayed.
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+
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+ const logPrefix = inGroup ? [] : ['%cworkbox', styles.join(';')];
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+ console[method](...logPrefix, ...args);
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+
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+ if (method === 'groupCollapsed') {
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+ inGroup = true;
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+ }
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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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+ }; // eslint-disable-next-line @typescript-eslint/ban-types
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+
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+
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+ const api = {};
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+ const loggerMethods = Object.keys(methodToColorMap);
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+
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+ for (const key of loggerMethods) {
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+ const method = key;
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+
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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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+
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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$1 = {
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+ 'invalid-value': ({
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+ paramName,
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+ validValueDescription,
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+ value
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+ }) => {
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+ if (!paramName || !validValueDescription) {
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+ throw new Error(`Unexpected input to 'invalid-value' error.`);
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+ }
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+
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+ return `The '${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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+
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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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+
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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 ${expectedType}.`;
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+ },
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+ 'incorrect-class': ({
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+ expectedClassName,
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+ paramName,
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+ moduleName,
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+ className,
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+ funcName,
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+ isReturnValueProblem
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+ }) => {
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+ if (!expectedClassName || !moduleName || !funcName) {
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+ throw new Error(`Unexpected input to 'incorrect-class' error.`);
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+ }
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+
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+ const classNameStr = className ? `${className}.` : '';
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+
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+ if (isReturnValueProblem) {
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+ return `The return value from ` + `'${moduleName}.${classNameStr}${funcName}()' ` + `must be an instance of class ${expectedClassName}.`;
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+ }
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+
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+ return `The parameter '${paramName}' passed into ` + `'${moduleName}.${classNameStr}${funcName}()' ` + `must be an instance of class ${expectedClassName}.`;
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+ },
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+ 'missing-a-method': ({
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+ expectedMethod,
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+ paramName,
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+ moduleName,
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+ className,
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+ funcName
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+ }) => {
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+ if (!expectedMethod || !paramName || !moduleName || !className || !funcName) {
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+ throw new Error(`Unexpected input to 'missing-a-method' error.`);
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+ }
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+
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+ return `${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 ` + `'${JSON.stringify(entry)}' isn't supported. You must supply an array of ` + `strings with one or more characters, objects with a url property or ` + `Request objects.`;
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+ },
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+ 'add-to-cache-list-conflicting-entries': ({
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+ firstEntry,
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+ secondEntry
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+ }) => {
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+ if (!firstEntry || !secondEntry) {
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+ throw new Error(`Unexpected input to ` + `'add-to-cache-list-duplicate-entries' error.`);
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+ }
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+
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+ return `Two of the entries passed to ` + `'workbox-precaching.PrecacheController.addToCacheList()' had the URL ` + `${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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+
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+ return `An error was thrown by a plugins 'requestWillFetch()' method. ` + `The thrown error message was: '${thrownErrorMessage}'.`;
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+ },
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+ 'invalid-cache-name': ({
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+ cacheNameId,
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+ value
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+ }) => {
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+ if (!cacheNameId) {
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+ throw new Error(`Expected a 'cacheNameId' for error 'invalid-cache-name'`);
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+ }
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+
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+ return `You must provide a name containing at least one character for ` + `setCacheDetails({${cacheNameId}: '...'}). Received a value of ` + `'${JSON.stringify(value)}'`;
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+ },
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+ 'unregister-route-but-not-found-with-method': ({
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+ method
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+ }) => {
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+ if (!method) {
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+ throw new Error(`Unexpected input to ` + `'unregister-route-but-not-found-with-method' error.`);
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+ }
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+
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+ return `The route you're trying to unregister was not previously ` + `registered for the method type '${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 '${name}' failed.`;
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+ },
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+ 'duplicate-queue-name': ({
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+ name
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+ }) => {
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+ return `The Queue name '${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}.${funcName}`;
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+ },
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+ 'invalid-string': ({
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+ moduleName,
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+ funcName,
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+ paramName
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+ }) => {
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+ if (!paramName || !moduleName || !funcName) {
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+ throw new Error(`Unexpected input to 'invalid-string' error.`);
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+ }
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+
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+ return `When using strings, the '${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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+ },
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+ 'channel-name-required': () => {
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+ return `You must provide a channelName to construct a ` + `BroadcastCacheUpdate instance.`;
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+ },
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+ 'invalid-responses-are-same-args': () => {
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+ return `The arguments passed into responsesAreSame() appear to be ` + `invalid. Please ensure valid Responses are used.`;
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+ },
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+ 'expire-custom-caches-only': () => {
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+ return `You must provide a 'cacheName' property when using the ` + `expiration plugin with a runtime caching strategy.`;
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+ },
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+ 'unit-must-be-bytes': ({
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+ normalizedRangeHeader
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+ }) => {
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+ if (!normalizedRangeHeader) {
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+ throw new Error(`Unexpected input to 'unit-must-be-bytes' error.`);
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+ }
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+
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+ return `The 'unit' portion of the Range header must be set to 'bytes'. ` + `The Range header provided was "${normalizedRangeHeader}"`;
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+ },
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+ 'single-range-only': ({
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+ normalizedRangeHeader
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+ }) => {
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+ if (!normalizedRangeHeader) {
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+ throw new Error(`Unexpected input to 'single-range-only' error.`);
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+ }
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+
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+ return `Multiple ranges are not supported. Please use a single start ` + `value, and optional end value. The Range header provided was ` + `"${normalizedRangeHeader}"`;
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+ },
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+ 'invalid-range-values': ({
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+ normalizedRangeHeader
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+ }) => {
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+ if (!normalizedRangeHeader) {
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+ throw new Error(`Unexpected input to 'invalid-range-values' error.`);
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+ }
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+
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+ return `The Range header is missing both start and end values. At least ` + `one of those values is needed. The Range header provided was ` + `"${normalizedRangeHeader}"`;
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+ },
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+ 'no-range-header': () => {
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+ return `No Range header was found in the Request provided.`;
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+ },
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+ 'range-not-satisfiable': ({
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+ size,
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+ start,
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+ end
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+ }) => {
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+ return `The start (${start}) and end (${end}) values in the Range are ` + `not satisfiable by the cached response, which is ${size} bytes.`;
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+ },
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+ 'attempt-to-cache-non-get-request': ({
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+ url,
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+ method
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+ }) => {
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+ return `Unable to cache '${url}' because it is a '${method}' request and ` + `only 'GET' requests can be cached.`;
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+ },
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+ 'cache-put-with-no-response': ({
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+ url
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+ }) => {
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+ return `There was an attempt to cache '${url}' but the response was not ` + `defined.`;
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+ },
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+ 'no-response': ({
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+ url,
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+ error
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+ }) => {
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+ let message = `The strategy could not generate a response for '${url}'.`;
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+
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+ if (error) {
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+ message += ` The underlying error is ${error}.`;
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+ }
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+
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+ return message;
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+ },
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+ 'bad-precaching-response': ({
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+ url,
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+ status
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+ }) => {
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+ return `The precaching request for '${url}' failed` + (status ? ` with an HTTP status of ${status}.` : `.`);
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+ },
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+ 'non-precached-url': ({
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+ url
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+ }) => {
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+ return `createHandlerBoundToURL('${url}') was called, but that URL is ` + `not precached. Please pass in a URL that is precached instead.`;
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+ },
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+ 'add-to-cache-list-conflicting-integrities': ({
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+ url
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+ }) => {
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+ return `Two of the entries passed to ` + `'workbox-precaching.PrecacheController.addToCacheList()' had the URL ` + `${url} with different integrity values. Please remove one of them.`;
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+ },
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+ 'missing-precache-entry': ({
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+ cacheName,
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+ url
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+ }) => {
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+ return `Unable to find a precached response in ${cacheName} for ${url}.`;
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+ },
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+ 'cross-origin-copy-response': ({
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+ origin
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+ }) => {
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+ return `workbox-core.copyResponse() can only be used with same-origin ` + `responses. It was passed a response with origin ${origin}.`;
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+ },
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+ 'opaque-streams-source': ({
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+ type
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+ }) => {
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+ const message = `One of the workbox-streams sources resulted in an ` + `'${type}' response.`;
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+
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+ if (type === 'opaqueredirect') {
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+ return `${message} Please do not use a navigation request that results ` + `in a redirect as a source.`;
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+ }
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+
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+ return `${message} Please ensure your sources are CORS-enabled.`;
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+ }
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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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+
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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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+
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+ const generatorFunction = (code, details = {}) => {
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+ const message = messages$1[code];
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+
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+ if (!message) {
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+ throw new Error(`Unable to find message for code '${code}'.`);
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+ }
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+
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+ return message(details);
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+ };
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+
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+ const messageGenerator = generatorFunction;
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+
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|
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+ /*
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|
|
+ 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
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+ * easily and allows use to optimise error
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|
+ * messages correctly.
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|
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+ *
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+ * @private
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|
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+ */
|
|
|
+
|
|
|
+ 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
|
|
|
+ };
|
|
|
+
|
|
|
+ try {
|
|
|
+ self['workbox:routing:6.5.2'] && _();
|
|
|
+ } 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ try {
|
|
|
+ self['workbox:strategies:6.5.2'] && _();
|
|
|
+ } 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 cacheOkAndOpaquePlugin = {
|
|
|
+ /**
|
|
|
+ * Returns a valid response (to allow caching) if the status is 200 (OK) or
|
|
|
+ * 0 (opaque).
|
|
|
+ *
|
|
|
+ * @param {Object} options
|
|
|
+ * @param {Response} options.response
|
|
|
+ * @return {Response|null}
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ */
|
|
|
+ cacheWillUpdate: async ({
|
|
|
+ response
|
|
|
+ }) => {
|
|
|
+ if (response.status === 200 || response.status === 0) {
|
|
|
+ return response;
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ /*
|
|
|
+ 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.
|
|
|
+ */
|
|
|
+ // 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.');
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ 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 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 first](https://developer.chrome.com/docs/workbox/caching-strategies-overview/#network-first-falling-back-to-cache)
|
|
|
+ * request strategy.
|
|
|
+ *
|
|
|
+ * By default, this strategy will cache responses with a 200 status code as
|
|
|
+ * well as [opaque responses](https://developer.chrome.com/docs/workbox/caching-resources-during-runtime/#opaque-responses).
|
|
|
+ * Opaque responses are are cross-origin requests where the response doesn't
|
|
|
+ * support [CORS](https://enable-cors.org/).
|
|
|
+ *
|
|
|
+ * If the network request fails, and there is no cache match, this will throw
|
|
|
+ * a `WorkboxError` exception.
|
|
|
+ *
|
|
|
+ * @extends workbox-strategies.Strategy
|
|
|
+ * @memberof workbox-strategies
|
|
|
+ */
|
|
|
+
|
|
|
+ class NetworkFirst extends Strategy {
|
|
|
+ /**
|
|
|
+ * @param {Object} [options]
|
|
|
+ * @param {string} [options.cacheName] Cache name to store and retrieve
|
|
|
+ * requests. Defaults to 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] [`CacheQueryOptions`](https://w3c.github.io/ServiceWorker/#dictdef-cachequeryoptions)
|
|
|
+ * @param {number} [options.networkTimeoutSeconds] If set, any network requests
|
|
|
+ * that fail to respond within the timeout will fallback to the cache.
|
|
|
+ *
|
|
|
+ * This option can be used to combat
|
|
|
+ * "[lie-fi]{@link https://developers.google.com/web/fundamentals/performance/poor-connectivity/#lie-fi}"
|
|
|
+ * scenarios.
|
|
|
+ */
|
|
|
+ constructor(options = {}) {
|
|
|
+ super(options); // If this instance contains no plugins with a 'cacheWillUpdate' callback,
|
|
|
+ // prepend the `cacheOkAndOpaquePlugin` plugin to the plugins list.
|
|
|
+
|
|
|
+ if (!this.plugins.some(p => 'cacheWillUpdate' in p)) {
|
|
|
+ this.plugins.unshift(cacheOkAndOpaquePlugin);
|
|
|
+ }
|
|
|
+
|
|
|
+ this._networkTimeoutSeconds = options.networkTimeoutSeconds || 0;
|
|
|
+
|
|
|
+ {
|
|
|
+ if (this._networkTimeoutSeconds) {
|
|
|
+ finalAssertExports.isType(this._networkTimeoutSeconds, 'number', {
|
|
|
+ moduleName: 'workbox-strategies',
|
|
|
+ className: this.constructor.name,
|
|
|
+ funcName: 'constructor',
|
|
|
+ paramName: 'networkTimeoutSeconds'
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * @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 logs = [];
|
|
|
+
|
|
|
+ {
|
|
|
+ finalAssertExports.isInstance(request, Request, {
|
|
|
+ moduleName: 'workbox-strategies',
|
|
|
+ className: this.constructor.name,
|
|
|
+ funcName: 'handle',
|
|
|
+ paramName: 'makeRequest'
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ const promises = [];
|
|
|
+ let timeoutId;
|
|
|
+
|
|
|
+ if (this._networkTimeoutSeconds) {
|
|
|
+ const {
|
|
|
+ id,
|
|
|
+ promise
|
|
|
+ } = this._getTimeoutPromise({
|
|
|
+ request,
|
|
|
+ logs,
|
|
|
+ handler
|
|
|
+ });
|
|
|
+
|
|
|
+ timeoutId = id;
|
|
|
+ promises.push(promise);
|
|
|
+ }
|
|
|
+
|
|
|
+ const networkPromise = this._getNetworkPromise({
|
|
|
+ timeoutId,
|
|
|
+ request,
|
|
|
+ logs,
|
|
|
+ handler
|
|
|
+ });
|
|
|
+
|
|
|
+ promises.push(networkPromise);
|
|
|
+ const response = await handler.waitUntil((async () => {
|
|
|
+ // Promise.race() will resolve as soon as the first promise resolves.
|
|
|
+ return (await handler.waitUntil(Promise.race(promises))) || ( // If Promise.race() resolved with null, it might be due to a network
|
|
|
+ // timeout + a cache miss. If that were to happen, we'd rather wait until
|
|
|
+ // the networkPromise resolves instead of returning null.
|
|
|
+ // Note that it's fine to await an already-resolved promise, so we don't
|
|
|
+ // have to check to see if it's still "in flight".
|
|
|
+ await networkPromise);
|
|
|
+ })());
|
|
|
+
|
|
|
+ {
|
|
|
+ logger.groupCollapsed(messages.strategyStart(this.constructor.name, request));
|
|
|
+
|
|
|
+ for (const log of logs) {
|
|
|
+ logger.log(log);
|
|
|
+ }
|
|
|
+
|
|
|
+ messages.printFinalResponse(response);
|
|
|
+ logger.groupEnd();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!response) {
|
|
|
+ throw new WorkboxError('no-response', {
|
|
|
+ url: request.url
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ return response;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * @param {Object} options
|
|
|
+ * @param {Request} options.request
|
|
|
+ * @param {Array} options.logs A reference to the logs array
|
|
|
+ * @param {Event} options.event
|
|
|
+ * @return {Promise<Response>}
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ _getTimeoutPromise({
|
|
|
+ request,
|
|
|
+ logs,
|
|
|
+ handler
|
|
|
+ }) {
|
|
|
+ let timeoutId;
|
|
|
+ const timeoutPromise = new Promise(resolve => {
|
|
|
+ const onNetworkTimeout = async () => {
|
|
|
+ {
|
|
|
+ logs.push(`Timing out the network response at ` + `${this._networkTimeoutSeconds} seconds.`);
|
|
|
+ }
|
|
|
+
|
|
|
+ resolve(await handler.cacheMatch(request));
|
|
|
+ };
|
|
|
+
|
|
|
+ timeoutId = setTimeout(onNetworkTimeout, this._networkTimeoutSeconds * 1000);
|
|
|
+ });
|
|
|
+ return {
|
|
|
+ promise: timeoutPromise,
|
|
|
+ id: timeoutId
|
|
|
+ };
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * @param {Object} options
|
|
|
+ * @param {number|undefined} options.timeoutId
|
|
|
+ * @param {Request} options.request
|
|
|
+ * @param {Array} options.logs A reference to the logs Array.
|
|
|
+ * @param {Event} options.event
|
|
|
+ * @return {Promise<Response>}
|
|
|
+ *
|
|
|
+ * @private
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ async _getNetworkPromise({
|
|
|
+ timeoutId,
|
|
|
+ request,
|
|
|
+ logs,
|
|
|
+ handler
|
|
|
+ }) {
|
|
|
+ let error;
|
|
|
+ let response;
|
|
|
+
|
|
|
+ try {
|
|
|
+ response = await handler.fetchAndCachePut(request);
|
|
|
+ } catch (fetchError) {
|
|
|
+ if (fetchError instanceof Error) {
|
|
|
+ error = fetchError;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (timeoutId) {
|
|
|
+ clearTimeout(timeoutId);
|
|
|
+ }
|
|
|
+
|
|
|
+ {
|
|
|
+ if (response) {
|
|
|
+ logs.push(`Got response from network.`);
|
|
|
+ } else {
|
|
|
+ logs.push(`Unable to get a response from the network. Will respond ` + `with a cached response.`);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (error || !response) {
|
|
|
+ response = await handler.cacheMatch(request);
|
|
|
+
|
|
|
+ {
|
|
|
+ if (response) {
|
|
|
+ logs.push(`Found a cached response in the '${this.cacheName}'` + ` cache.`);
|
|
|
+ } else {
|
|
|
+ logs.push(`No response found in the '${this.cacheName}' cache.`);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return response;
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /*
|
|
|
+ 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.
|
|
|
+ */
|
|
|
+ /**
|
|
|
+ * 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());
|
|
|
+ }
|
|
|
+
|
|
|
+ exports.NetworkFirst = NetworkFirst;
|
|
|
+ exports.NetworkOnly = NetworkOnly;
|
|
|
+ exports.clientsClaim = clientsClaim;
|
|
|
+ exports.registerRoute = registerRoute;
|
|
|
+
|
|
|
+}));
|
|
|
+//# sourceMappingURL=workbox-74d02f44.js.map
|
AykutSarac