From 2a664984b750981d35917c9e51b66a6c3975b053 Mon Sep 17 00:00:00 2001
From: Johannes Rieken <johannes.rieken@gmail.com>
Date: Tue, 13 Sep 2016 10:39:18 +0200
Subject: [PATCH] happy coding

---
 .gitignore                             |   1 +
 .vscode/launch.json                    |  18 +++
 .vscode/settings.json                  |   4 +
 generators/app/index.js                | 169 +++++++++++++++++++++++++
 generators/app/templates/eslintrc.json |  23 ++++
 generators/app/templates/jsconfig.json |   7 +
 package.json                           |  25 ++++
 tsconfig.json                          |  11 ++
 8 files changed, 258 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .vscode/launch.json
 create mode 100644 .vscode/settings.json
 create mode 100644 generators/app/index.js
 create mode 100644 generators/app/templates/eslintrc.json
 create mode 100644 generators/app/templates/jsconfig.json
 create mode 100644 package.json
 create mode 100644 tsconfig.json

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c3629e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..2363259
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,18 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+
+        {
+            "name": "Attach",
+            "type": "node",
+            "request": "attach",
+            "port": 5858,
+            "address": "localhost",
+            "restart": false,
+            "sourceMaps": false,
+            "outDir": null,
+            "localRoot": "${workspaceRoot}",
+            "remoteRoot": null
+        }
+    ]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..510be30
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,4 @@
+// Place your settings in this file to overwrite default and user settings.
+{
+    "typescript.tsdk": "node_modules/typescript/lib"
+}
\ No newline at end of file
diff --git a/generators/app/index.js b/generators/app/index.js
new file mode 100644
index 0000000..b746dfb
--- /dev/null
+++ b/generators/app/index.js
@@ -0,0 +1,169 @@
+'use strict';
+
+const generators = require('yeoman-generator');
+const fs = require('fs');
+const cp = require('child_process');
+const yosay = require('yosay');
+
+module.exports = generators.Base.extend({
+
+    constructor: function () {
+        generators.Base.apply(this, arguments);
+
+        this.argument('codeExec', { type: String, defaults: 'code', optional: true });
+        this.ctx = Object.create(null);
+    },
+
+    // --- init ------------
+
+    _checkConfigJson() {
+        // check/fetch jsconfig.json
+        this.ctx.jsConfigJson = this.fs.readJSON(this.destinationPath('jsconfig.json'))
+        this.ctx.tsConfigJson = this.fs.readJSON(this.destinationPath('tsconfig.json'))
+    },
+
+    _checkTypesDependencies() {
+        // check/fetch package.json
+
+        const pack = this.fs.readJSON(this.destinationPath('package.json'))
+        if (pack) {
+            const dependencies = new Set();
+            const typeDependencies = new Set();
+
+            const visit = (properties) => {
+                if (properties) {
+                    for (let name in properties) {
+                        if (name.indexOf('@types') === -1) {
+                            dependencies.add(name);
+                        } else {
+                            typeDependencies.add(name);
+                        }
+                    }
+                }
+            }
+
+            visit(pack.dependencies);
+            visit(pack.devDependencies);
+            visit(pack.optionalDependencies);
+
+            pack.optionalDependencies = pack.optionalDependencies || {};
+
+            for (const dep of dependencies) {
+                const typeDep = `@types/${dep}`;
+                if (!typeDependencies.has(typeDep)) {
+                    pack.optionalDependencies[typeDep] = '*';
+                    this.ctx.newPackageJson = pack;
+                }
+            }
+        }
+    },
+    _checkInstalledExtensions() {
+        // code-extensions
+        return new Promise(resolve => {
+            cp.exec(`${this.codeExec} --list-extensions`, (err, stdout, stderr) => {
+                if (!err) {
+                    this.ctx.installedExtensions = new Set(stdout.trim().split(/[\r\n]/));
+                }
+                resolve();
+            });
+        });
+    },
+
+    initializing() {
+
+        this.log(yosay('Welcome to the JavaScript project generator!'));
+
+        return Promise.all([
+            this._checkConfigJson(),
+            this._checkTypesDependencies(),
+            this._checkInstalledExtensions(),
+        ]);
+    },
+
+    prompting() {
+        const prompts = [
+            {
+                when: () => !this.ctx.jsConfigJson && !this.ctx.tsConfigJson,
+                type: 'confirm',
+                name: 'createJsConfig',
+                message: 'Create \'jsconfig.json\' file?',
+            },
+            {
+                when: () => this.ctx.tsConfigJson && (!this.ctx.tsConfigJson.compilerOptions || !this.ctx.tsConfigJson.compilerOptions.allowJs),
+                type: 'confirm',
+                name: 'setAllowJs',
+                message: 'Should I adjust \'tsconfig.json\' to allow for JavaScript files (strongly recommended)?',
+            },
+            {
+                when: answers => !answers.setAllowJs && this.ctx.tsConfigJson && (!this.ctx.tsConfigJson.compilerOptions || !this.ctx.tsConfigJson.compilerOptions.allowJs),
+                type: 'confirm',
+                name: 'setAllowJs',
+                message: 'Sure about that? The presence of a \'tsconfig.json\'-file shadows a \'jsconfig.json\'-file and without the \'allowJs\'-flag there will be no support for JavaScript. Should I add the \'allowJs\'-flag?',
+            },
+            {
+                when: () => this.ctx.newPackageJson,
+                type: 'confirm',
+                name: 'acquireTypes',
+                message: 'Install type-definition files (.d.ts) and adjust \'package.json\'?'
+            },
+            {
+                when: () => this.ctx.installedExtensions && !this.ctx.installedExtensions.has('eg2.vscode-npm-script'),
+                type: 'confirm',
+                name: 'installNpmScriptRunner',
+                message: 'Install \'npm script runner\'-extension?'
+            },
+            {
+                when: () => this.ctx.installedExtensions && !this.ctx.installedExtensions.has('dbaeumer.vscode-eslint'),
+                type: 'confirm',
+                name: 'installEsLint',
+                message: 'Install \'eslint\'-extension?'
+            }
+        ];
+
+        return this.prompt(prompts).then(answers => { 
+            this.answers = answers;
+        });
+    },
+
+    writing() {
+        if (this.answers.createJsConfig) {
+            // write jsconfig
+            this.fs.copy(this.templatePath('jsconfig.json'), this.destinationPath('jsconfig.json'));
+
+        } else if (this.answers.setAllowJs) {
+            // update tsconfig
+            if (!this.ctx.tsConfigJson.compilerOptions) {
+                this.ctx.tsConfigJson.compilerOptions = { allowJs: true };
+            } else {
+                this.ctx.tsConfigJson.compilerOptions.allowJs = true;
+            }
+            fs.writeFileSync(this.destinationPath('tsconfig.json'), JSON.stringify(this.ctx.tsConfigJson, undefined, 4));
+        }
+
+        // update package.json
+        if (this.answers.acquireTypes) {
+            fs.writeFileSync(this.destinationPath('package.json'), JSON.stringify(this.ctx.newPackageJson, undefined, 4));
+            // this.fs.writeJSON(this.destinationPath('package.json'), this.ctx.newPackageJson, undefined, 4);
+        }
+
+        // add .eslintrc file
+        if (this.answers.installEsLint) {
+            this.fs.copy(this.templatePath('eslintrc.json'), this.destinationPath('.eslintrc'));
+        }
+    },
+
+    install() {
+
+        if (this.answers.acquireTypes) {
+            this.installDependencies({ bower: false });
+        }
+
+        if (this.answers.installNpmScriptRunner) {
+            this.spawnCommand(this.codeExec, ['--install-extension', 'eg2.vscode-npm-script']);
+        }
+
+        if (this.answers.installEsLint) {
+            this.spawnCommand(this.codeExec, ['--install-extension', 'dbaeumer.vscode-eslint']);
+        }
+    }
+});
\ No newline at end of file
diff --git a/generators/app/templates/eslintrc.json b/generators/app/templates/eslintrc.json
new file mode 100644
index 0000000..7db5754
--- /dev/null
+++ b/generators/app/templates/eslintrc.json
@@ -0,0 +1,23 @@
+{
+    "env": {
+        "browser": true,
+        "commonjs": true,
+        "es6": true,
+        "node": true
+    },
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "sourceType": "module"
+    },
+    "rules": {
+        "no-const-assign": "warn",
+        "no-this-before-super": "warn",
+        "no-undef": "warn",
+        "no-unreachable": "warn",
+        "no-unused-vars": "warn",
+        "constructor-super": "warn",
+        "valid-typeof": "warn"
+    }
+}
\ No newline at end of file
diff --git a/generators/app/templates/jsconfig.json b/generators/app/templates/jsconfig.json
new file mode 100644
index 0000000..b854fab
--- /dev/null
+++ b/generators/app/templates/jsconfig.json
@@ -0,0 +1,7 @@
+{
+    "compilerOptions": {
+        "target": "es6",
+        "module": "commonjs",
+        "allowSyntheticDefaultImports": true
+    }
+}
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..7169c86
--- /dev/null
+++ b/package.json
@@ -0,0 +1,25 @@
+{
+    "name": "generator-code-javascript",
+    "version": "0.1.0",
+    "description": "Generator for JavaScript projects",
+    "files": [
+        "generators/app"
+    ],
+    "keywords": [
+        "yeoman-generator",
+        "javascript",
+        "vscode"
+    ],
+    "dependencies": {
+        "yeoman-generator": "^0.24.1",
+        "yosay": "^1.2.0"
+    },
+    "devDependencies": {
+        "typescript": "^2.1.0-dev.20160912"
+    },
+    "optionalDependencies": {
+        "@types/yeoman-generator": "*",
+        "@types/yosay": "*",
+        "@types/typescript": "*"
+    }
+}
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..cc0f371
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,11 @@
+{
+    "compilerOptions": {
+        "target": "es6",
+        "module": "commonjs",
+        "allowJs": true,
+        "lib": [
+            "es2015",
+            "es2015.collection"
+        ]
+    }
+}
\ No newline at end of file