build: upgrade yarn to 1.3.2 (#21406)

Fixes #20566 PR Close #21406
2018-01-09 11:02:03 +01:00
parent 5ede67c345
commit 7bdd9aecbd
5 changed files with 24 additions and 4 deletions
--- a/tools/yarn/check-yarn.js
+++ b/tools/yarn/check-yarn.js
@ -0,0 +1,14 @@
+/**
+ * @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
+ */
+
+'use strict';
+
+if (process.env.npm_execpath.indexOf('yarn') === -1) {
+  throw new Error(
+      'Please use Yarn instead of NPM to install dependencies. See: https://yarnpkg.com/lang/en/docs/install/');
+}