refactor(compiler-cli): add support for browser compiler bundle (#17979)

PR Close #17979

packages/compiler-cli/browser-rollup.config.js

@@ -0,0 +1,79 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import commonjs from 'rollup-plugin-commonjs';
+import * as path from 'path';
+
+import 'reflect-metadata';
+
+var m = /^\@angular\/((\w|\-)+)(\/(\w|\d|\/|\-)+)?$/;
+var location = normalize('../../dist/packages-dist') + '/';
+var rxjsLocation = normalize('../../node_modules/rxjs');
+var tslibLocation = normalize('../../node_modules/tslib');
+var esm = 'esm/';
+
+var locations = {
+  'tsc-wrapped': normalize('../../dist/tools/@angular') + '/',
+  'compiler-cli': normalize('../../dist/packages') + '/'
+};
+
+var esm_suffixes = {};
+
+function normalize(fileName) {
+  return path.resolve(__dirname, fileName);
+}
+
+function resolve(id, from) {
+  // console.log('Resolve id:', id, 'from', from)
+  if (id == '@angular/tsc-wrapped') {
+    // Hack to restrict the import to not include the index of @angular/tsc-wrapped so we don't
+    // rollup tsickle.
+    return locations['tsc-wrapped'] + 'tsc-wrapped/src/collector.js';
+  }
+  var match = m.exec(id);
+  if (match) {
+    var packageName = match[1];
+    var esm_suffix = esm_suffixes[packageName] || '';
+    var loc = locations[packageName] || location;
+    var r = loc !== location && (loc + esm_suffix + packageName + (match[3] || '/index') + '.js') ||
+        loc + packageName + '/@angular/' + packageName + '.es5.js';
+    // console.log('** ANGULAR MAPPED **: ', r);
+    return r;
+  }
+  if (id && id.startsWith('rxjs/')) {
+    const resolved = `${rxjsLocation}${id.replace('rxjs', '')}.js`;
+    return resolved;
+  }
+  if (id == 'tslib') {
+    return tslibLocation + '/tslib.es6.js';
+  }
+}
+
+// hack to get around issues with default exports
+var banner = `ts['default'] = ts['default'] || ts; fs['default'] = fs['default'] || fs;`;
+
+export default {
+  entry: '../../dist/packages-dist/compiler-cli/src/ngc.js',
+  dest: './browser-bundle.umd.js',
+  format: 'umd',
+  moduleName: 'ng.compiler_cli_browser',
+  exports: 'named',
+  external: [
+    'fs',
+    'path',
+    'typescript',
+    'reflect-metadata',
+  ],
+  globals: {
+    'typescript': 'ts',
+    'path': 'path',
+    'fs': 'fs',
+  },
+  banner: banner,
+  plugins: [{resolveId: resolve}, commonjs()]
+}