feat(schematics/search): find and install schematics

package.json

@@ -44,6 +44,7 @@
     "@angular-devkit/build-optimizer": "~0.0.28",
     "@angular-devkit/schematics": "~0.0.35",
     "@schematics/angular": "~0.1.0",
+    "algoliasearch": "^3.26.0",
     "autoprefixer": "^6.5.3",
     "chalk": "~2.2.0",
     "circular-dependency-plugin": "^3.0.0",
@@ -61,6 +62,8 @@
     "fs-extra": "^4.0.0",
     "glob": "^7.0.3",
     "html-webpack-plugin": "^2.29.0",
+    "inquirer": "^5.1.0",
+    "inquirer-checkbox-plus-prompt": "^1.0.1",
     "istanbul-instrumenter-loader": "^2.0.0",
     "karma-source-map-support": "^1.2.0",
     "less": "^2.7.2",

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

@@ -0,0 +1,39 @@
+// import { oneLine } from 'common-tags';
+import { CliConfig } from '../models/config';
+
+const Command = require('../ember-cli/lib/models/command');
+
+
+export default Command.extend({
+  name: 'schematics',
+  aliases: ['s'],
+  description: 'Search or install Schematics.',
+  works: 'insideProject',
+  availableOptions: [
+    {
+      name: 'search',
+      type: String,
+      default: false,
+      description: 'search Schematics'
+    },
+    {
+      name: 'install',
+      type: String,
+      default: false,
+      description: 'Install Schematics'
+    }
+  ],
+  run: function (commandOptions: any) {
+    const SchematicSearchTask = require('../tasks/schematic-search').default;
+
+    const schematicSearchTask = new SchematicSearchTask({
+      ui: this.ui,
+      project: this.project
+    });
+
+    return schematicSearchTask.run({
+      ...commandOptions,
+      configs: CliConfig.fromProject().config.lint
+    });
+  }
+});

packages/@angular/cli/lib/cli/index.ts

@@ -24,6 +24,7 @@ function loadCommands() {
     'completion': require('../../commands/completion').default,
     'doc': require('../../commands/doc').default,
     'xi18n': require('../../commands/xi18n').default,
+    'schematics': require('../../commands/schematics').default,
 
     // Easter eggs.
     'make-this-awesome': require('../../commands/easter-egg').default,

packages/@angular/cli/tasks/schematic-search.ts

@@ -0,0 +1,68 @@
+const Task = require('../ember-cli/lib/models/task');
+import chalk from 'chalk';
+import { spawn } from 'child_process';
+const inquirer = require('inquirer');
+inquirer.registerPrompt('checkbox-plus', require('inquirer-checkbox-plus-prompt'));
+
+const algoliasearch = require('algoliasearch');
+const algolia = {
+  appId: 'OFCNCOG2CU',
+  apiKey: '6fe4476ee5a1832882e326b506d14126',
+  indexName: 'npm-search'
+};
+
+const client = algoliasearch(algolia.appId, algolia.apiKey).initIndex(algolia.indexName);
+const alsearch = async (answers: any, query: string) => {
+  const res = await client.search(`angular+schematics+${query}`, {
+    attributesToRetrieve: ['name', 'version', 'description', 'owner', 'humanDownloadsLast30Days'],
+    offset: 0,
+    length: 4
+  });
+  return res.hits.map(p => `${p.name}`);
+};
+
+function displayAnswers() {
+  return inquirer
+    .prompt([
+      {
+        type: 'checkbox-plus',
+        name: 'schematics',
+        message: '🔎  Find and install Angular CLI Schematics:',
+        pageSize: 10,
+        highlight: true,
+        searchable: true,
+        source: alsearch
+      }
+    ])
+    .then(answers => answers.schematics);
+}
+
+export default Task.extend({
+  run: async function() {
+    const ui = this.ui;
+    let packageManager = 'npm';
+    ui.writeLine(chalk.green(`Installing Schematics via ${packageManager}.`));
+
+    const installOptions = {
+      stdio: 'inherit',
+      shell: true
+    };
+
+    const schematics: string[] = await displayAnswers();
+
+    // tslint:disable-next-line:max-line-length
+    const installArgs: string[] = ['install', '--dry-run', '--loglevel=error', '--silent', ...schematics];
+    return new Promise((resolve, reject) => {
+      spawn(packageManager, installArgs, installOptions).on('close', (code: number) => {
+        if (code === 0) {
+          ui.writeLine(chalk.green(`Successfully installed new Schematics.`));
+          resolve();
+        } else {
+          const message = 'Failed installed new Schematics, see above.';
+          ui.writeLine(chalk.red(message));
+          reject(message);
+        }
+      });
+    });
+  }
+});