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85 lines
2.7 KiB
85 lines
2.7 KiB
4 years ago
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"use strict";
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/*
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Copyright 2018 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 template = require('lodash.template');
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const swTemplate = require('../templates/sw-template');
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const errors = require('./errors');
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const runtimeCachingConverter = require('./runtime-caching-converter');
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const stringifyWithoutComments = require('./stringify-without-comments');
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module.exports = ({
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cacheId,
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cleanupOutdatedCaches,
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clientsClaim,
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directoryIndex,
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ignoreURLParametersMatching,
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importScripts,
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manifestEntries,
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modulePathPrefix,
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navigateFallback,
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navigateFallbackBlacklist,
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navigateFallbackWhitelist,
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navigationPreload,
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offlineGoogleAnalytics,
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runtimeCaching,
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skipWaiting,
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workboxSWImport
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}) => {
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// These are all options that can be passed to the precacheAndRoute() method.
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const precacheOptions = {
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directoryIndex,
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// An array of RegExp objects can't be serialized by JSON.stringify()'s
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// default behavior, so if it's given, convert it manually.
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ignoreURLParametersMatching: ignoreURLParametersMatching ? [] : undefined
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};
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let precacheOptionsString = JSON.stringify(precacheOptions, null, 2);
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if (ignoreURLParametersMatching) {
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precacheOptionsString = precacheOptionsString.replace(`"ignoreURLParametersMatching": []`, `"ignoreURLParametersMatching": [` + `${ignoreURLParametersMatching.join(', ')}]`);
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}
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let offlineAnalyticsConfigString;
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if (offlineGoogleAnalytics) {
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// If offlineGoogleAnalytics is a truthy value, we need to convert it to the
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// format expected by the template.
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offlineAnalyticsConfigString = offlineGoogleAnalytics === true ? // If it's the literal value true, then use an empty config string.
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'{}' : // Otherwise, convert the config object into a more complex string, taking
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// into account the fact that functions might need to be stringified.
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stringifyWithoutComments(offlineGoogleAnalytics);
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}
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try {
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const populatedTemplate = template(swTemplate)({
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cacheId,
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cleanupOutdatedCaches,
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clientsClaim,
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importScripts,
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manifestEntries,
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modulePathPrefix,
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navigateFallback,
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navigateFallbackBlacklist,
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navigateFallbackWhitelist,
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navigationPreload,
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offlineAnalyticsConfigString,
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precacheOptionsString,
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skipWaiting,
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runtimeCaching: runtimeCachingConverter(runtimeCaching),
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workboxSWImport
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}); // Clean up multiple blank lines.
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return populatedTemplate.replace(/\n{3,}/g, '\n\n').trim() + '\n';
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} catch (error) {
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throw new Error(`${errors['populating-sw-tmpl-failed']} '${error.message}'`);
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}
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};
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