feat(worker): support (static key).ignore in ngsw-manifest.json during generation

Author: alxhub

service-worker/worker/gulpfile.ts

@@ -130,6 +130,8 @@ gulp.task('task:webpack_test:pack', done => {
     },
     plugins: [
       new CopyWebpackPlugin([
+        {from: 'other.js'},
+        {from: 'ignored.js'},
         {from: 'ngsw-manifest.json'},
       ]),
       new AngularServiceWorkerPlugin({baseHref: '/test'}),

service-worker/worker/src/build/gulp.ts

@@ -37,7 +37,20 @@ export function gulpAddStaticFiles(files: any, options: GulpAddStaticFileOptions
     let property = options.manifestKey || 'static';
     manifest[property] = staticConfig;
 
+    // Look for ignored patterns in the manifest.
+    let ignored: RegExp[] = [];
+    const ignoreKey = `${options.manifestKey}.ignore`;
+    if (manifest.hasOwnProperty(ignoreKey)) {
+      ignored.push(...(manifest[ignoreKey] as string[])
+        .map(regex => new RegExp(regex)));
+      delete manifest[ignoreKey];
+    }
+
     files.on('data', file => {
+      const url = '/' + file.relative;
+      if (ignored.some(regex => regex.test(url))) {
+        return;
+      }
       staticConfig.urls['/' + file.relative] = sha1(file.contents);
     });
     files.on('end', () => {

service-worker/worker/src/build/webpack.ts

@@ -47,6 +47,15 @@ export class AngularServiceWorkerPlugin {
           throw new Error(`Manifest already contains key: ${this.manifestKey}`);
       }
 
+      // Look for ignored patterns in the manifest.
+      let ignored: RegExp[] = [];
+      const ignoreKey = `${this.manifestKey}.ignore`;
+      if (manifest.hasOwnProperty(ignoreKey)) {
+        ignored.push(...(manifest[ignoreKey] as string[])
+          .map(regex => new RegExp(regex)));
+        delete manifest[ignoreKey];
+      }
+
       // Map of urls to hashes.
       let urls = {};
       manifest[this.manifestKey] = {urls, _generatedFromWebpack: true};
@@ -57,6 +66,9 @@ export class AngularServiceWorkerPlugin {
         .filter(key => key !== this.manifestFile)
         .forEach(key => {
           let url = `${this.baseHref}${key}`;
+          if (ignored.some(regex => regex.test(url))) {
+            return;
+          }
           urls[url] = sha1(compilation.assets[key].source());
         });
 

service-worker/worker/src/test/webpack/ignored.js

@@ -0,0 +1 @@
+console.log('i should not make it');

service-worker/worker/src/test/webpack/ngsw-manifest.json

@@ -1,3 +1,6 @@
 {
-  "other": true
+  "other": true,
+  "static.ignore": [
+    "^\/test\/ig.*$"
+  ]
 }