feat(cli): Add javascript for init-templates/app (#2525)

Fixes #398

packages/aws-cdk/.gitignore

@@ -1,6 +1,7 @@
 *.js
 *.js.map
 *.d.ts
+!lib/init-templates/app/javascript/**/*
 node_modules
 dist
 

packages/aws-cdk/lib/init-templates/app/javascript/.template.gitignore

@@ -0,0 +1,4 @@
+node_modules
+
+# CDK asset staging directory
+.cdk.staging

packages/aws-cdk/lib/init-templates/app/javascript/.template.npmignore

@@ -0,0 +1,2 @@
+# CDK asset staging directory
+.cdk.staging

packages/aws-cdk/lib/init-templates/app/javascript/README.md

@@ -0,0 +1,7 @@
+# Useful commands
+
+ * `npm run test`         check javascript error
+ * `npm run test:watch`   watch for changes and check javascript error
+ * `cdk deploy`           deploy this stack to your default AWS account/region
+ * `cdk diff`             compare deployed stack with current state
+ * `cdk synth`            emits the synthesized CloudFormation template

packages/aws-cdk/lib/init-templates/app/javascript/bin/%name%.template.js

@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+
+// @ts-ignore: Cannot find declaration file
+require('source-map-support/register');
+const cdk = require('@aws-cdk/cdk');
+const { %name.PascalCased%Stack } = require('../lib/%name%-stack');
+
+const app = new cdk.App();
+new %name.PascalCased%Stack(app, '%name.PascalCased%Stack');

packages/aws-cdk/lib/init-templates/app/javascript/cdk.template.json

@@ -0,0 +1,3 @@
+{
+  "app": "node bin/%name%.js"
+}

packages/aws-cdk/lib/init-templates/app/javascript/lib/%name%-stack.template.js

@@ -0,0 +1,17 @@
+const cdk = require('@aws-cdk/cdk');
+
+class %name.PascalCased%Stack extends cdk.Stack {
+  /**
+   *
+   * @param {cdk.Construct} scope
+   * @param {string} id
+   * @param {cdk.StackProps=} props
+   */
+  constructor(scope, id, props) {
+    super(scope, id, props);
+
+    // The code that defines your stack goes here
+  }
+}
+
+module.exports = { %name.PascalCased%Stack }

packages/aws-cdk/lib/init-templates/app/javascript/package.template.json

@@ -0,0 +1,21 @@
+{
+  "name": "%name%",
+  "version": "0.1.0",
+  "bin": {
+    "%name%": "bin/%name%.js"
+  },
+  "scripts": {
+    "test": "tsc",
+    "test:watch": "tsc -w",
+    "cdk": "cdk"
+  },
+  "devDependencies": {
+    "@types/node": "8.10.45",
+    "typescript": "^3.3.3333",
+    "aws-cdk": "^%cdk-version%"
+  },
+  "dependencies": {
+    "@aws-cdk/cdk": "^%cdk-version%",
+    "source-map-support": "^0.5.9"
+  }
+}

packages/aws-cdk/lib/init-templates/app/javascript/tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "target": "ES2018",
+    "module": "commonjs",
+    "lib": [
+      "es2016",
+      "es2017.object",
+      "es2017.string"
+    ],
+    "declaration": true,
+    "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": false,
+    "inlineSourceMap": true,
+    "inlineSources": true,
+    "experimentalDecorators": true,
+    "strictPropertyInitialization": false,
+    "allowJs": true,
+    "checkJs": true,
+    "noEmit": true
+  }
+}

packages/aws-cdk/lib/init.ts

@@ -239,6 +239,8 @@ async function initializeGitRepository() {
 
 async function postInstall(language: string, canUseNetwork: boolean) {
   switch (language) {
+  case 'javascript':
+    return await postInstallJavascript(canUseNetwork);
   case 'typescript':
     return await postInstallTypescript(canUseNetwork);
   case 'java':
@@ -248,6 +250,10 @@ async function postInstall(language: string, canUseNetwork: boolean) {
   }
 }
 
+async function postInstallJavascript(canUseNetwork: boolean) {
+  return postInstallTypescript(canUseNetwork);
+}
+
 async function postInstallTypescript(canUseNetwork: boolean) {
   const command = 'npm';
 

packages/aws-cdk/test/test.init.ts

@@ -48,6 +48,16 @@ export = {
     test.done();
   },
 
+  async 'create a JavaScript app project'(test: Test) {
+    await cliInit('app', 'javascript', false);
+
+    // Check that package.json and bin/ got created in the current directory
+    test.equal(true, await fs.pathExists('package.json'));
+    test.equal(true, await fs.pathExists('bin'));
+
+    test.done();
+  },
+
   async 'git directory does not throw off the initer!'(test: Test) {
     fs.mkdirSync('.git');