1 files changed, 94 insertions, 0 deletions
diff --git a/node_modules/workbox-build/src/lib/populate-sw-template.js b/node_modules/workbox-build/src/lib/populate-sw-template.js
new file mode 100644
index 00000000..ff3baae4
--- /dev/null
+++ b/node_modules/workbox-build/src/lib/populate-sw-template.js
@@ -0,0 +1,94 @@
+/*
+  Copyright 2017 Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      https://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+const template = require('lodash.template');
+const swTemplate = require('../templates/sw-template');
+
+const errors = require('./errors');
+const runtimeCachingConverter = require('./runtime-caching-converter');
+const stringifyWithoutComments = require('./stringify-without-comments');
+
+module.exports = ({
+  cacheId,
+  clientsClaim,
+  directoryIndex,
+  ignoreUrlParametersMatching,
+  importScripts,
+  manifestEntries,
+  modulePathPrefix,
+  navigateFallback,
+  navigateFallbackBlacklist,
+  navigateFallbackWhitelist,
+  offlineGoogleAnalytics,
+  runtimeCaching,
+  skipWaiting,
+  workboxSWImport,
+}) => {
+  // 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": [` +
+      `${ignoreUrlParametersMatching.join(', ')}]`
+    );
+  }
+
+  let offlineAnalyticsConfigString;
+  if (offlineGoogleAnalytics) {
+    // If offlineGoogleAnalytics is a truthy value, we need to convert it to the
+    // format expected by the template.
+    offlineAnalyticsConfigString = offlineGoogleAnalytics === true ?
+      // If it's the literal value true, then use an empty config string.
+      '{}' :
+      // Otherwise, convert the config object into a more complex string, taking
+      // into account the fact that functions might need to be stringified.
+      stringifyWithoutComments(offlineGoogleAnalytics);
+  }
+
+  try {
+    const populatedTemplate = template(swTemplate)({
+      cacheId,
+      clientsClaim,
+      importScripts,
+      manifestEntries,
+      modulePathPrefix,
+      navigateFallback,
+      navigateFallbackBlacklist,
+      navigateFallbackWhitelist,
+      offlineAnalyticsConfigString,
+      precacheOptionsString,
+      skipWaiting,
+      runtimeCaching: runtimeCachingConverter(runtimeCaching),
+      workboxSWImport,
+    });
+
+    // Clean up multiple blank lines.
+    return populatedTemplate.replace(/\n{3,}/g, '\n\n').trim() + '\n';
+  } catch (error) {
+    throw new Error(
+      `${errors['populating-sw-tmpl-failed']} '${error.message}'`);
+  }
+};