fix(@angular/cli): fix access to sections of package.json that dont exist

Fixes angular#5070.

Author: hansl

packages/@angular/cli/bin/ng

@@ -91,9 +91,11 @@ if (require('../package.json')['name'] == 'angular-cli'
 const packageJsonProjectPath = findUp('package.json', process.cwd(), true);
 if (packageJsonProjectPath && fs.existsSync(packageJsonProjectPath)) {
   const packageJsonProject = require(packageJsonProjectPath);
-  const hasOldDep = !!packageJsonProject.dependencies['angular-cli'];
-  const hasOldDevDep = !!packageJsonProject.devDependencies['angular-cli'];
-  const hasDevDep = !!packageJsonProject.devDependencies['@angular/cli'];
+  const deps = packageJsonProject['dependencies'] || {};
+  const devDeps = packageJsonProject['devDependencies'] || {};
+  const hasOldDep = !!deps['angular-cli'];
+  const hasOldDevDep = !!devDeps['angular-cli'];
+  const hasDevDep = !!devDeps['@angular/cli'];
 
   if (hasOldDep || hasOldDevDep || !hasDevDep) {
     const warnings = [

packages/@angular/cli/commands/new.ts

@@ -136,7 +136,6 @@ const NewCommand = Command.extend({
     }
 
     validateProjectName(packageName);
-
     commandOptions.name = packageName;
     if (commandOptions.dryRun) {
       commandOptions.skipGit = true;

packages/@angular/cli/commands/version.ts

@@ -76,8 +76,8 @@ const VersionCommand = Command.extend({
   getDependencyVersions: function(pkg: any, prefix: string): any {
     const modules: any = {};
 
-    Object.keys(pkg.dependencies || {})
-      .concat(Object.keys(pkg.devDependencies || {}))
+    Object.keys(pkg['dependencies'] || {})
+      .concat(Object.keys(pkg['devDependencies'] || {}))
       .filter(depName => depName && depName.startsWith(prefix))
       .forEach(key => modules[key] = this.getVersion(key));
 

packages/@angular/cli/tasks/eject.ts

@@ -464,6 +464,9 @@ export default Task.extend({
 
         // Add new dependencies based on our dependencies.
         const ourPackageJson = require('../package.json');
+        if (!packageJson['devDependencies']) {
+          packageJson['devDependencies'] = {};
+        }
         packageJson['devDependencies']['webpack-dev-server']
             = ourPackageJson['dependencies']['webpack-dev-server'];
 

tests/e2e/setup/010-build.ts

@@ -17,6 +17,12 @@ export default function() {
     .then(() => Promise.all(Object.keys(packages).map(pkgName => {
       return updateJsonFile(join(packages[pkgName].dist, 'package.json'), json => {
         Object.keys(packages).forEach(pkgName => {
+          if (!json['dependencies']) {
+            json['dependencies'] = {};
+          }
+          if (!json['devDependencies']) {
+            json['devDependencies'] = {};
+          }
           if (json['dependencies'] && pkgName in json['dependencies']) {
             json['dependencies'][pkgName] = packages[pkgName].dist;
           } else if (json['devDependencies'] && pkgName in json['devDependencies']) {

tests/e2e/utils/assets.ts

@@ -38,6 +38,13 @@ export function createProjectFromAsset(assetName: string) {
     .then(() => copyAssets(assetName))
     .then(dir => process.chdir(dir))
     .then(() => updateJsonFile('package.json', json => {
+      if (!json['dependencies']) {
+        json['dependencies'] = {};
+      }
+      if (!json['devDependencies']) {
+        json['devDependencies'] = {};
+      }
+
       for (const packageName of Object.keys(packages)) {
         if (json['dependencies'].hasOwnProperty(packageName)) {
           json['dependencies'][packageName] = packages[packageName].dist;