build: no longer add pure annotations to es5 bundles (#6107)

* The pure annotations are no longer added to ES5 bundles of Angular Material or the CDK. The pure annotations should be added by the new build optimizer which is part of the CLI.

Author: devversion

tools/package-tools/build-release.ts

@@ -1,7 +1,6 @@
 import {join} from 'path';
 import {mkdirpSync} from 'fs-extra';
 import {copyFiles} from './copy-files';
-import {addPureAnnotationsToFile} from './pure-annotations';
 import {replaceVersionPlaceholders} from './version-placeholders';
 import {inlinePackageMetadataFiles} from './metadata-inlining';
 import {createTypingsReexportFile} from './typings-reexport';
@@ -43,8 +42,6 @@ export function composeRelease(packageName: string, options: ComposeReleaseOptio
   if (options.useSecondaryEntryPoints) {
     createFilesForSecondaryEntryPoint(packageName, packagePath, releasePath);
   }
-
-  addPureAnnotationsToFile(join(releasePath, '@angular', `${packageName}.es5.js`));
 }
 
 /** Creates files necessary for a secondary entry-point. */

tools/package-tools/copy-files.ts

@@ -5,7 +5,7 @@ import {join, dirname} from 'path';
 /** Function to copy files that match a glob to another directory. */
 export function copyFiles(fromPath: string, fileGlob: string, outDir: string) {
   glob(fileGlob, {cwd: fromPath}).forEach(filePath => {
-    let fileDestPath = join(outDir, filePath);
+    const fileDestPath = join(outDir, filePath);
     mkdirpSync(dirname(fileDestPath));
     copySync(join(fromPath, filePath), fileDestPath);
   });

tools/package-tools/entry-point-package-json.ts

@@ -12,5 +12,5 @@ export function createEntryPointPackageJson(destDir: string, packageName: string
     es2015: `../@angular/${packageName}/${entryPointName}.js`,
   };
 
-  writeFileSync(join(destDir, 'package.json'), JSON.stringify(content), 'utf-8');
+  writeFileSync(join(destDir, 'package.json'), JSON.stringify(content, null, 2), 'utf-8');
 }

tools/package-tools/metadata-reexport.ts

@@ -3,11 +3,13 @@ import {join} from 'path';
 
 /** Creates a metadata file that re-exports the metadata bundle inside of the typings. */
 export function createMetadataReexportFile(destDir: string, from: string, name: string) {
-  const metadataReExport = `{
-    "__symbolic":"module",
-    "version":3,"metadata":{},
-    "exports":[{"from":"${from}"}],
-    "flatModuleIndexRedirect": true
-  }`;
-  writeFileSync(join(destDir, `${name}.metadata.json`), metadataReExport, 'utf-8');
+  const metadataJsonContent = JSON.stringify({
+    __symbolic: 'module',
+    version: 3,
+    metadata: {},
+    exports: [{from}],
+    flatModuleIndexRedirect: true
+  }, null, 2);
+
+  writeFileSync(join(destDir, `${name}.metadata.json`), metadataJsonContent, 'utf-8');
 }