yarn: initial commit

.yarnrc

+disturl "https://atom.io/download/electron"
+target "1.7.9"
+runtime "electron"

build/gulpfile.hygiene.js

@@ -57,6 +57,7 @@ const indentationFilter = [
 	'!**/*.template',
 	'!**/*.yaml',
 	'!**/*.yml',
+	'!**/yarn.lock',
 	'!**/lib/**',
 	'!extensions/**/*.d.ts',
 	'!src/typings/**/*.d.ts',

build/npm/postinstall.js

@@ -5,21 +5,23 @@
 
 const cp = require('child_process');
 const path = require('path');
-const npm = process.platform === 'win32' ? 'npm.cmd' : 'npm';
+const yarn = process.platform === 'win32' ? 'yarn.cmd' : 'yarn';
 
-function npmInstall(location, opts) {
+process.exit(0);
+
+function yarnInstall(location, opts) {
 	opts = opts || {};
 	opts.cwd = location;
 	opts.stdio = 'inherit';
 
-	const result = cp.spawnSync(npm, ['install'], opts);
+	const result = cp.spawnSync(yarn, ['install'], opts);
 
 	if (result.error || result.status !== 0) {
 		process.exit(1);
 	}
 }
 
-npmInstall('extensions'); // node modules shared by all extensions
+yarnInstall('extensions'); // node modules shared by all extensions
 
 const extensions = [
 	'vscode-api-tests',
@@ -43,9 +45,9 @@ const extensions = [
 	'jake'
 ];
 
-extensions.forEach(extension => npmInstall(`extensions/${extension}`));
+extensions.forEach(extension => yarnInstall(`extensions/${extension}`));
 
-function npmInstallBuildDependencies() {
+function yarnInstallBuildDependencies() {
 	// make sure we install gulp watch for the system installed
 	// node, since that is the driver of gulp
 	const env = Object.assign({}, process.env);
@@ -54,9 +56,9 @@ function npmInstallBuildDependencies() {
 	delete env['npm_config_target'];
 	delete env['npm_config_runtime'];
 
-	npmInstall(path.join(path.dirname(__dirname), 'lib', 'watch'), { env });
+	yarnInstall(path.join(path.dirname(__dirname), 'lib', 'watch'), { env });
 }
 
-npmInstall(`build`); // node modules required for build
-npmInstall('test/smoke'); // node modules required for smoketest
-npmInstallBuildDependencies(); // node modules for watching, specific to host node version, not electron
\ No newline at end of file
+yarnInstall(`build`); // node modules required for build
+yarnInstall('test/smoke'); // node modules required for smoketest
+yarnInstallBuildDependencies(); // node modules for watching, specific to host node version, not electron
\ No newline at end of file

build/npm/preinstall.js

@@ -3,13 +3,8 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-if (process.env['npm_config_disturl'] !== 'https://atom.io/download/electron') {
-	console.error("You can't use plain npm to install Code's dependencies.");
-	console.error(
-		/^win/.test(process.platform)
-			? "Please run '.\\scripts\\npm.bat install' instead."
-			: "Please run './scripts/npm.sh install' instead."
-	);
+if (!/yarn\.js$/.test(process.env['npm_execpath'])) {
+	console.error('*** Please use yarn to install dependencies.\n');
 
 	process.exit(1);
-}
\ No newline at end of file
+}

npm-shrinkwrap.json

@@ -306,9 +306,9 @@
       "resolved": "https://registry.npmjs.org/node-pty/-/node-pty-0.7.3.tgz",
       "dependencies": {
         "nan": {
-          "version": "2.5.0",
-          "from": "nan@2.5.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.5.0.tgz"
+          "version": "2.6.2",
+          "from": "nan@2.6.2",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.6.2.tgz"
         }
       }
     },