build: install snapshot builds for angular-devkit and schematics

scripts/circleci/setup-angular-snapshots.js

@@ -14,6 +14,18 @@
  * Read more here: https://yarnpkg.com/lang/en/docs/package-json/#toc-resolutions
  */
 
+/**
+ * Array defining the packages we would like to install snapshots for.
+ *
+ * Additionally each entry will have a mapping to the corresponding snapshot
+ * builds repo name. This is necessary as the repository names are inconsistent.
+ */
+const snapshotPackages = [
+  {matcher: /^@angular\/(.+)$/, repoName: `angular/$1-builds`},
+  {matcher: /^@angular-devkit\/(.+)$/, repoName: `angular/angular-devkit-$1-builds`},
+  {matcher: /^@schematics\/(.+)$/, repoName: `angular/schematics-$1-builds`},
+];
+
 /** List of packages which should not be updated to a snapshot build. */
 const ignorePackages = [
   // Skip update for the shared dev-infra package. We do not want to update to a snapshot
@@ -35,33 +47,45 @@ const packageSuffix = tag ? ` (${tag})` : '';
 // See: https://yarnpkg.com/lang/en/docs/package-json/#toc-resolutions for the API.
 packageJson['resolutions'] = packageJson['resolutions'] || {};
 
-// List of packages which should be updated to their most recent snapshot version, or
-// snapshot version based on the specified tag.
-const snapshotPackages = Object.keys({
+const packagesToConsider = Object.keys({
   ...packageJson.dependencies,
   ...packageJson.devDependencies,
-}).filter(
-  packageName => packageName.startsWith('@angular/') && !ignorePackages.includes(packageName),
-);
+});
+
+// List of packages which should be updated to their most recent snapshot version, or
+// snapshot version based on the specified tag.
+const packagesToUpdate = packagesToConsider.reduce((result, name) => {
+  if (ignorePackages.includes(name)) {
+    return result;
+  }
+
+  const matchedEntry = snapshotPackages.find(p => p.matcher.test(name));
+  if (matchedEntry === undefined) {
+    return result;
+  }
+  const repoName = name.replace(matchedEntry.matcher, matchedEntry.repoName);
+
+  return result.concat([{name, repoName}]);
+}, []);
 
 console.log('Setting up snapshot builds for:\n');
-console.log(`  ${snapshotPackages.map(n => `${n}${packageSuffix}`).join('\n  ')}\n`);
+console.log(`  ${packagesToUpdate.map(p => `${p.name}${packageSuffix}`).join('\n  ')}\n`);
 
 // Setup the snapshot version for each Angular package specified in the "package.json" file.
-snapshotPackages.forEach(packageName => {
-  const buildsUrl = `github:angular/${packageName.split('/')[1]}-builds${tag ? `#${tag}` : ''}`;
+packagesToUpdate.forEach(({name, repoName}) => {
+  const buildsUrl = `github:angular/${repoName}${tag ? `#${tag}` : ''}`;
 
   // Add resolutions for each package in the format "**/{PACKAGE}" so that all
   // nested versions of that specific Angular package will have the same version.
-  packageJson.resolutions[`**/${packageName}`] = buildsUrl;
+  packageJson.resolutions[`**/${name}`] = buildsUrl;
 
   // Since the resolutions only cover the version of all nested installs, we also need
   // to explicitly set the version for the package listed in the project "package.json".
-  packageJson.dependencies[packageName] = buildsUrl;
+  packageJson.dependencies[name] = buildsUrl;
 
   // In case this dependency was previously a dev dependency, just remove it because we
   // re-added it as a normal dependency for simplicity.
-  delete packageJson.devDependencies[packageName];
+  delete packageJson.devDependencies[name];
 });
 
 // Write changes to the "packageJson", so that we can install the new versions afterwards.