GoScrobble/web/node_modules/workbox-build/build/lib/populate-sw-template.js

95 lines
3.2 KiB
JavaScript

"use strict";
/*
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 template = require('lodash.template');
const swTemplate = require('../templates/sw-template');
const errors = require('./errors');
const ModuleRegistry = require('./module-registry');
const runtimeCachingConverter = require('./runtime-caching-converter');
const stringifyWithoutComments = require('./stringify-without-comments');
module.exports = ({
cacheId,
cleanupOutdatedCaches,
clientsClaim,
directoryIndex,
disableDevLogs,
ignoreURLParametersMatching,
importScripts,
manifestEntries = [],
navigateFallback,
navigateFallbackDenylist,
navigateFallbackAllowlist,
navigationPreload,
offlineGoogleAnalytics,
runtimeCaching = [],
skipWaiting
}) => {
// There needs to be at least something to precache, or else runtime caching.
if (!(manifestEntries.length > 0 || runtimeCaching.length > 0)) {
throw new Error(errors['no-manifest-entries-or-runtime-caching']);
} // These are all options that can be passed to the precacheAndRoute() method.
const precacheOptions = {
directoryIndex,
// An array of RegExp objects can't be serialized by JSON.stringify()'s
// default behavior, so if it's given, convert it manually.
ignoreURLParametersMatching: ignoreURLParametersMatching ? [] : undefined
};
let precacheOptionsString = JSON.stringify(precacheOptions, null, 2);
if (ignoreURLParametersMatching) {
precacheOptionsString = precacheOptionsString.replace(`"ignoreURLParametersMatching": []`, `"ignoreURLParametersMatching": [` + `${ignoreURLParametersMatching.join(', ')}]`);
}
let offlineAnalyticsConfigString;
if (offlineGoogleAnalytics) {
// If offlineGoogleAnalytics is a truthy value, we need to convert it to the
// format expected by the template.
offlineAnalyticsConfigString = offlineGoogleAnalytics === true ? // If it's the literal value true, then use an empty config string.
'{}' : // Otherwise, convert the config object into a more complex string, taking
// into account the fact that functions might need to be stringified.
stringifyWithoutComments(offlineGoogleAnalytics);
}
const moduleRegistry = new ModuleRegistry();
try {
const populatedTemplate = template(swTemplate)({
cacheId,
cleanupOutdatedCaches,
clientsClaim,
disableDevLogs,
importScripts,
manifestEntries,
navigateFallback,
navigateFallbackDenylist,
navigateFallbackAllowlist,
navigationPreload,
offlineAnalyticsConfigString,
precacheOptionsString,
runtimeCaching: runtimeCachingConverter(moduleRegistry, runtimeCaching),
skipWaiting,
use: moduleRegistry.use.bind(moduleRegistry)
});
const workboxImportStatements = moduleRegistry.getImportStatements(); // We need the import statements for all of the Workbox runtime modules
// prepended, so that the correct bundle can be created.
return workboxImportStatements.join('\n') + populatedTemplate;
} catch (error) {
throw new Error(`${errors['populating-sw-tmpl-failed']} '${error.message}'`);
}
};