fix: align back to the google style guide (#440)

.eslintignore

@@ -1,2 +1,3 @@
 build/
 test/fixtures/
+template/

.prettierrc.json

@@ -0,0 +1,5 @@
+{
+  "bracketSpacing": false,
+  "singleQuote": true,
+  "trailingComma": "es5"
+}

package.json

@@ -11,7 +11,7 @@
     "CHANGELOG.md",
     "build/src",
     "build/template",
-    ".prettierrc.js",
+    ".prettierrc.json",
     "tsconfig-google.json",
     "tsconfig.json",
     ".eslintrc.json"

src/clean.ts

@@ -16,8 +16,8 @@
 import chalk = require('chalk');
 import * as ts from 'typescript';
 
-import { Options } from './cli';
-import { getTSConfig, rimrafp } from './util';
+import {Options} from './cli';
+import {getTSConfig, rimrafp} from './util';
 
 interface TSConfig {
   compilerOptions: ts.CompilerOptions;

src/cli.ts

@@ -19,9 +19,9 @@
 import * as path from 'path';
 import * as meow from 'meow';
 import * as updateNotifier from 'update-notifier';
-import { init } from './init';
-import { clean } from './clean';
-import { isYarnUsed } from './util';
+import {init} from './init';
+import {clean} from './clean';
+import {isYarnUsed} from './util';
 import * as execa from 'execa';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
@@ -76,11 +76,11 @@ const cli = meow({
     $ gts fix src/file1.ts src/file2.ts
     $ gts clean`,
   flags: {
-    help: { type: 'boolean' },
-    yes: { type: 'boolean', alias: 'y' },
-    no: { type: 'boolean', alias: 'n' },
-    'dry-run': { type: 'boolean' },
-    yarn: { type: 'boolean' },
+    help: {type: 'boolean'},
+    yes: {type: 'boolean', alias: 'y'},
+    no: {type: 'boolean', alias: 'n'},
+    'dry-run': {type: 'boolean'},
+    yarn: {type: 'boolean'},
   },
 });
 
@@ -149,7 +149,7 @@ async function run(verb: string, files: string[]): Promise<boolean> {
   }
 }
 
-updateNotifier({ pkg: packageJson }).notify();
+updateNotifier({pkg: packageJson}).notify();
 
 if (cli.input.length < 1) {
   usage();

src/init.ts

@@ -17,7 +17,7 @@ import * as cp from 'child_process';
 import * as fs from 'fs';
 import * as inquirer from 'inquirer';
 import * as path from 'path';
-import { ncp } from 'ncp';
+import {ncp} from 'ncp';
 import * as util from 'util';
 
 import {
@@ -29,8 +29,8 @@ import {
   DefaultPackage,
 } from './util';
 
-import { Options } from './cli';
-import { PackageJson } from '@npm/types';
+import {Options} from './cli';
+import {PackageJson} from '@npm/types';
 import chalk = require('chalk');
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
@@ -47,7 +47,7 @@ const DEFAULT_PACKAGE_JSON: PackageJson = {
   files: ['build/src'],
   license: 'Apache-2.0',
   keywords: [],
-  scripts: { test: 'echo "Error: no test specified" && exit 1' },
+  scripts: {test: 'echo "Error: no test specified" && exit 1'},
 };
 
 async function query(
@@ -158,7 +158,6 @@ export async function addDependencies(
 }
 
 function formatJson(object: {}) {
-  // TODO: preserve the indent from the input file.
   const json = JSON.stringify(object, null, '  ');
   return `${json}\n`;
 }
@@ -231,18 +230,18 @@ async function generateESLintConfig(options: Options): Promise<void> {
 async function generateTsConfig(options: Options): Promise<void> {
   const config = formatJson({
     extends: './node_modules/gts/tsconfig-google.json',
-    compilerOptions: { rootDir: '.', outDir: 'build' },
+    compilerOptions: {rootDir: '.', outDir: 'build'},
     include: ['src/**/*.ts', 'test/**/*.ts'],
   });
   return generateConfigFile(options, './tsconfig.json', config);
 }
 
 async function generatePrettierConfig(options: Options): Promise<void> {
   const style = await read(
-    path.join(__dirname, '../../.prettierrc.js'),
+    path.join(__dirname, '../../.prettierrc.json'),
     'utf8'
   );
-  return generateConfigFile(options, './.prettierrc.js', style);
+  return generateConfigFile(options, './.prettierrc.json', style);
 }
 
 export async function installDefaultTemplate(
@@ -321,7 +320,7 @@ export async function init(options: Options): Promise<boolean> {
     cp.spawnSync(
       getPkgManagerCommand(options.yarn),
       ['install', '--ignore-scripts'],
-      { stdio: 'inherit' }
+      {stdio: 'inherit'}
     );
   }
 

src/util.ts

@@ -17,7 +17,7 @@
 import * as fs from 'fs';
 import * as path from 'path';
 import * as rimraf from 'rimraf';
-import { promisify } from 'util';
+import {promisify} from 'util';
 import * as ncp from 'ncp';
 import * as writeFileAtomic from 'write-file-atomic';
 
@@ -37,7 +37,7 @@ export interface DefaultPackage extends Bag<string> {
 }
 
 export async function readJsonp(jsonPath: string) {
-  const contents = await readFilep(jsonPath, { encoding: 'utf8' });
+  const contents = await readFilep(jsonPath, {encoding: 'utf8'});
   return JSON.parse(contents);
 }
 
@@ -101,7 +101,7 @@ async function getBase(
  * @param inherited is then loaded and overwrites base
  */
 function combineTSConfig(base: ConfigFile, inherited: ConfigFile): ConfigFile {
-  const result: ConfigFile = { compilerOptions: {} };
+  const result: ConfigFile = {compilerOptions: {}};
 
   Object.assign(result, base, inherited);
   Object.assign(

test/kitchen.ts

@@ -2,16 +2,16 @@ import chalk = require('chalk');
 import * as cp from 'child_process';
 import * as fs from 'fs-extra';
 import * as tmp from 'tmp';
-import { assert } from 'chai';
+import {assert} from 'chai';
 import * as path from 'path';
-import { describe, it, before, after } from 'mocha';
+import {describe, it, before, after} from 'mocha';
 
 import spawn = require('cross-spawn');
 import execa = require('execa');
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const pkg = require('../../package.json');
 const keep = !!process.env.GTS_KEEP_TEMPDIRS;
-const stagingDir = tmp.dirSync({ keep, unsafeCleanup: true });
+const stagingDir = tmp.dirSync({keep, unsafeCleanup: true});
 const stagingPath = stagingDir.name;
 const execOpts = {
   cwd: `${stagingPath}${path.sep}kitchen`,
@@ -60,7 +60,7 @@ describe('🚰 kitchen sink', () => {
     // Ensure config files got generated.
     fs.accessSync(path.join(kitchenPath, 'tsconfig.json'));
     fs.accessSync(path.join(kitchenPath, '.eslintrc.json'));
-    fs.accessSync(path.join(kitchenPath, '.prettierrc.js'));
+    fs.accessSync(path.join(kitchenPath, '.prettierrc.json'));
 
     // Compilation shouldn't have happened. Hence no `build` directory.
     const dirContents = fs.readdirSync(kitchenPath);
@@ -71,8 +71,8 @@ describe('🚰 kitchen sink', () => {
     // Use from a directory different from where we have locally installed. This
     // simulates use as a globally installed module.
     const GTS = path.resolve(stagingPath, 'kitchen/node_modules/.bin/gts');
-    const tmpDir = tmp.dirSync({ keep, unsafeCleanup: true });
-    const opts = { cwd: path.join(tmpDir.name, 'kitchen') };
+    const tmpDir = tmp.dirSync({keep, unsafeCleanup: true});
+    const opts = {cwd: path.join(tmpDir.name, 'kitchen')};
 
     // Copy test files.
     fs.copySync(fixturesPath, tmpDir.name);
@@ -128,7 +128,7 @@ describe('🚰 kitchen sink', () => {
     const res = await execa(
       'npm',
       ['run', 'check'],
-      Object.assign({}, { reject: false }, execOpts)
+      Object.assign({}, {reject: false}, execOpts)
     );
     assert.strictEqual(res.exitCode, 1);
     assert.include(res.stdout, 'assigned a value but');

test/test-clean.ts

@@ -18,11 +18,11 @@ import * as assert from 'assert';
 import * as fs from 'fs';
 import * as path from 'path';
 
-import { clean } from '../src/clean';
-import { nop } from '../src/util';
+import {clean} from '../src/clean';
+import {nop} from '../src/util';
 
-import { withFixtures } from 'inline-fixtures';
-import { describe, it } from 'mocha';
+import {withFixtures} from 'inline-fixtures';
+import {describe, it} from 'mocha';
 
 describe('clean', () => {
   const OPTIONS = {
@@ -31,7 +31,7 @@ describe('clean', () => {
     dryRun: false,
     yes: false,
     no: false,
-    logger: { log: nop, error: nop, dir: nop },
+    logger: {log: nop, error: nop, dir: nop},
   };
 
   it('should gracefully error if tsconfig is missing', () => {
@@ -44,15 +44,15 @@ describe('clean', () => {
   });
 
   it('should gracefully error if tsconfig does not have valid outDir', () => {
-    return withFixtures({ 'tsconfig.json': JSON.stringify({}) }, async () => {
+    return withFixtures({'tsconfig.json': JSON.stringify({})}, async () => {
       const deleted = await clean(OPTIONS);
       assert.strictEqual(deleted, false);
     });
   });
 
   it('should avoid deleting .', () => {
     return withFixtures(
-      { 'tsconfig.json': JSON.stringify({ compilerOptions: { outDir: '.' } }) },
+      {'tsconfig.json': JSON.stringify({compilerOptions: {outDir: '.'}})},
       async () => {
         const deleted = await clean(OPTIONS);
         assert.strictEqual(deleted, false);
@@ -66,7 +66,7 @@ describe('clean', () => {
       withFixtures(
         {
           'tsconfig.json': JSON.stringify({
-            compilerOptions: { outDir: '../out' },
+            compilerOptions: {outDir: '../out'},
           }),
         },
         async () => {
@@ -81,7 +81,7 @@ describe('clean', () => {
     const OUT = 'outputDirectory';
     return withFixtures(
       {
-        'tsconfig.json': JSON.stringify({ compilerOptions: { outDir: OUT } }),
+        'tsconfig.json': JSON.stringify({compilerOptions: {outDir: OUT}}),
         [OUT]: {},
       },
       async dir => {