PWA

node_modules/workbox-build/src/lib/write-sw-using-default-template.ts

@@ -0,0 +1,96 @@
+/*
+  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.
+*/
+
+import fse from 'fs-extra';
+import upath from 'upath';
+
+import {bundle} from './bundle';
+import {errors} from './errors';
+import {GenerateSWOptions, ManifestEntry} from '../types';
+import {populateSWTemplate} from './populate-sw-template';
+
+export async function writeSWUsingDefaultTemplate({
+  babelPresetEnvTargets,
+  cacheId,
+  cleanupOutdatedCaches,
+  clientsClaim,
+  directoryIndex,
+  disableDevLogs,
+  ignoreURLParametersMatching,
+  importScripts,
+  inlineWorkboxRuntime,
+  manifestEntries,
+  mode,
+  navigateFallback,
+  navigateFallbackDenylist,
+  navigateFallbackAllowlist,
+  navigationPreload,
+  offlineGoogleAnalytics,
+  runtimeCaching,
+  skipWaiting,
+  sourcemap,
+  swDest,
+}: GenerateSWOptions & {manifestEntries: Array<ManifestEntry>}): Promise<
+  Array<string>
+> {
+  const outputDir = upath.dirname(swDest);
+  try {
+    await fse.mkdirp(outputDir);
+  } catch (error) {
+    throw new Error(
+      `${errors['unable-to-make-sw-directory']}. ` +
+        `'${error instanceof Error && error.message ? error.message : ''}'`,
+    );
+  }
+
+  const unbundledCode = populateSWTemplate({
+    cacheId,
+    cleanupOutdatedCaches,
+    clientsClaim,
+    directoryIndex,
+    disableDevLogs,
+    ignoreURLParametersMatching,
+    importScripts,
+    manifestEntries,
+    navigateFallback,
+    navigateFallbackDenylist,
+    navigateFallbackAllowlist,
+    navigationPreload,
+    offlineGoogleAnalytics,
+    runtimeCaching,
+    skipWaiting,
+  });
+
+  try {
+    const files = await bundle({
+      babelPresetEnvTargets,
+      inlineWorkboxRuntime,
+      mode,
+      sourcemap,
+      swDest,
+      unbundledCode,
+    });
+
+    const filePaths: Array<string> = [];
+
+    for (const file of files) {
+      const filePath = upath.resolve(file.name);
+      filePaths.push(filePath);
+      await fse.writeFile(filePath, file.contents);
+    }
+
+    return filePaths;
+  } catch (error) {
+    const err = error as NodeJS.ErrnoException;
+    if (err.code === 'EISDIR') {
+      // See https://github.com/GoogleChrome/workbox/issues/612
+      throw new Error(errors['sw-write-failure-directory']);
+    }
+    throw new Error(`${errors['sw-write-failure']} '${err.message}'`);
+  }
+}