In Yeoman templates, stop restoring using Yarn, since it doesn't respect npm-shrinkwrap.json

Author: SteveSandersonMS

templates/package-builder/src/yeoman/app/index.ts

@@ -6,7 +6,6 @@ import * as glob from 'glob';
 import * as semver from 'semver';
 import * as chalk from 'chalk';
 import { execSync } from 'child_process';
-import npmWhich = require('npm-which');
 const yosay = require('yosay');
 const toPascalCase = require('to-pascal-case');
 const isWindows = /^win/.test(process.platform);
@@ -165,15 +164,6 @@ class MyGenerator extends yeoman.Base {
     }
 
     installingDeps() {
-        // If available, restore dependencies using Yarn instead of NPM
-        const yarnPath = getPathToExecutable('yarn');
-        if (!!yarnPath) {
-            this.log('Will restore NPM dependencies using \'yarn\' installed at ' + yarnPath);
-            this.npmInstall = (pkgs, options, cb) => {
-                return (this as any).runInstall(yarnPath, pkgs, options, cb);
-            };
-        }
-
         this.installDependencies({
             npm: true,
             bower: false,
@@ -186,14 +176,6 @@ class MyGenerator extends yeoman.Base {
     }
 }
 
-function getPathToExecutable(executableName: string) {
-    try {
-        return npmWhich(__dirname).sync(executableName);
-    } catch(ex) {
-        return null;
-    }
-}
-
 function assertNpmVersionIsAtLeast(minVersion: string) {
     const runningVersion = execSync('npm -v').toString();
     if (!semver.gte(runningVersion, minVersion, /* loose */ true)) {

templates/package-builder/src/yeoman/package.json

@@ -1,6 +1,6 @@
 {
   "name": "generator-aspnetcore-spa",
-  "version": "0.9.3",
+  "version": "0.9.4",
   "description": "Single-Page App templates for ASP.NET Core",
   "author": "Microsoft",
   "license": "Apache-2.0",
@@ -21,7 +21,6 @@
     "chalk": "^1.1.3",
     "glob": "^7.0.3",
     "node-uuid": "^1.4.7",
-    "npm-which": "^3.0.1",
     "to-pascal-case": "^1.0.0",
     "yeoman-generator": "^0.20.2",
     "yeoman-option-or-prompt": "^1.0.2",