Use eslint and prettier (#239)

.eslintignore

@@ -0,0 +1,2 @@
+**/node_modules/*
+

.eslintrc.yml

@@ -0,0 +1,19 @@
+---
+extends:
+  - 'eslint:recommended'
+  - 'plugin:node/recommended'
+  - prettier
+env: 
+  mocha: true 
+plugins:
+  - node
+  - prettier
+rules:
+  prettier/prettier: error
+  block-scoped-var: error
+  eqeqeq: error
+  no-warning-comments: warn
+  no-console: off
+  node/no-missing-require: off
+  node/no-unpublished-require: off
+

.prettierignore

@@ -0,0 +1,3 @@
+node_modules/*
+samples/node_modules/*
+src/**/doc/*

.prettierrc

@@ -0,0 +1,8 @@
+---
+bracketSpacing: false
+printWidth: 80
+semi: true
+singleQuote: true
+tabWidth: 2
+trailingComma: es5
+useTabs: false

1-hello-world/package.json

@@ -22,34 +22,6 @@
       }
     }
   },
-  "semistandard": {
-    "globals": [
-      "after",
-      "afterEach",
-      "before",
-      "beforeEach",
-      "describe",
-      "it"
-    ]
-  },
-  "contributors": [
-    "Ace Nassri <anassri@google.com>",
-    "Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>",
-    "Allen Day <allenday@users.noreply.github.com>",
-    "André Cipriani Bandarra <andreban@gmail.com>",
-    "Dominik Staskiewicz <stadominik@gmail.com>",
-    "F. Hinkelmann <fhinkel@vt.edu>",
-    "Jason Dobry <jdobry@google.com>",
-    "Jon Wayne Parrott <jonwayne@google.com>",
-    "Justin Beckwith <justin.beckwith@gmail.com>",
-    "Michael McDonald <mcdonald@firebase.com>",
-    "Sean McBreen <seanmcb@google.com>",
-    "Steren <steren.giannini@gmail.com>",
-    "Steve Perry <steveperry-53@users.noreply.github.com>",
-    "chenyumic <chenyumic@google.com>",
-    "renovate[bot] <renovate[bot]@users.noreply.github.com>",
-    "shollyman <shollyman@google.com>"
-  ],
   "scripts": {
     "start": "node app.js",
     "e2e": "repo-tools test deploy",

2-structured-data/app.js

@@ -39,7 +39,7 @@ app.use((req, res) => {
 });
 
 // Basic error handler
-app.use((err, req, res, next) => {
+app.use((err, req, res) => {
   /* jshint unused:false */
   console.error(err);
   // If our routes specified a specific response, then send that. Otherwise,

2-structured-data/books/api.js

@@ -16,7 +16,7 @@
 const express = require('express');
 const bodyParser = require('body-parser');
 
-function getModel () {
+function getModel() {
   return require(`./model-${require('../config').get('DATA_BACKEND')}`);
 }
 
@@ -38,7 +38,7 @@ router.get('/', (req, res, next) => {
     }
     res.json({
       items: entities,
-      nextPageToken: cursor
+      nextPageToken: cursor,
     });
   });
 });
@@ -94,7 +94,7 @@ router.put('/:book', (req, res, next) => {
  * Delete a book.
  */
 router.delete('/:book', (req, res, next) => {
-  getModel().delete(req.params.book, (err) => {
+  getModel().delete(req.params.book, err => {
     if (err) {
       next(err);
       return;
@@ -111,7 +111,7 @@ router.use((err, req, res, next) => {
   // responding to the request
   err.response = {
     message: err.message,
-    internalCode: err.code
+    internalCode: err.code,
   };
   next(err);
 });

2-structured-data/books/crud.js

@@ -16,14 +16,14 @@
 const express = require('express');
 const bodyParser = require('body-parser');
 
-function getModel () {
+function getModel() {
   return require(`./model-${require('../config').get('DATA_BACKEND')}`);
 }
 
 const router = express.Router();
 
 // Automatically parse request body as form data
-router.use(bodyParser.urlencoded({ extended: false }));
+router.use(bodyParser.urlencoded({extended: false}));
 
 // Set Content-Type for all responses for these routes
 router.use((req, res, next) => {
@@ -44,7 +44,7 @@ router.get('/', (req, res, next) => {
     }
     res.render('books/list.pug', {
       books: entities,
-      nextPageToken: cursor
+      nextPageToken: cursor,
     });
   });
 });
@@ -58,7 +58,7 @@ router.get('/', (req, res, next) => {
 router.get('/add', (req, res) => {
   res.render('books/form.pug', {
     book: {},
-    action: 'Add'
+    action: 'Add',
   });
 });
 // [END add_get]
@@ -96,7 +96,7 @@ router.get('/:book/edit', (req, res, next) => {
     }
     res.render('books/form.pug', {
       book: entity,
-      action: 'Edit'
+      action: 'Edit',
     });
   });
 });
@@ -130,7 +130,7 @@ router.get('/:book', (req, res, next) => {
       return;
     }
     res.render('books/view.pug', {
-      book: entity
+      book: entity,
     });
   });
 });
@@ -141,7 +141,7 @@ router.get('/:book', (req, res, next) => {
  * Delete a book.
  */
 router.get('/:book/delete', (req, res, next) => {
-  getModel().delete(req.params.book, (err) => {
+  getModel().delete(req.params.book, err => {
     if (err) {
       next(err);
       return;

2-structured-data/books/model-cloudsql.js

@@ -20,20 +20,24 @@ const config = require('../config');
 const options = {
   user: config.get('MYSQL_USER'),
   password: config.get('MYSQL_PASSWORD'),
-  database: 'bookshelf'
+  database: 'bookshelf',
 };
 
-if (config.get('INSTANCE_CONNECTION_NAME') && config.get('NODE_ENV') === 'production') {
+if (
+  config.get('INSTANCE_CONNECTION_NAME') &&
+  config.get('NODE_ENV') === 'production'
+) {
   options.socketPath = `/cloudsql/${config.get('INSTANCE_CONNECTION_NAME')}`;
 }
 
 const connection = mysql.createConnection(options);
 
 // [START list]
-function list (limit, token, cb) {
+function list(limit, token, cb) {
   token = token ? parseInt(token, 10) : 0;
   connection.query(
-    'SELECT * FROM `books` LIMIT ? OFFSET ?', [limit, token],
+    'SELECT * FROM `books` LIMIT ? OFFSET ?',
+    [limit, token],
     (err, results) => {
       if (err) {
         cb(err);
@@ -47,7 +51,7 @@ function list (limit, token, cb) {
 // [END list]
 
 // [START create]
-function create (data, cb) {
+function create(data, cb) {
   connection.query('INSERT INTO `books` SET ?', data, (err, res) => {
     if (err) {
       cb(err);
@@ -58,37 +62,39 @@ function create (data, cb) {
 }
 // [END create]
 
-function read (id, cb) {
+function read(id, cb) {
   connection.query(
-    'SELECT * FROM `books` WHERE `id` = ?', id, (err, results) => {
+    'SELECT * FROM `books` WHERE `id` = ?',
+    id,
+    (err, results) => {
       if (!err && !results.length) {
         err = {
           code: 404,
-          message: 'Not found'
+          message: 'Not found',
         };
       }
       if (err) {
         cb(err);
         return;
       }
       cb(null, results[0]);
-    });
+    }
+  );
 }
 
 // [START update]
-function update (id, data, cb) {
-  connection.query(
-    'UPDATE `books` SET ? WHERE `id` = ?', [data, id], (err) => {
-      if (err) {
-        cb(err);
-        return;
-      }
-      read(id, cb);
-    });
+function update(id, data, cb) {
+  connection.query('UPDATE `books` SET ? WHERE `id` = ?', [data, id], err => {
+    if (err) {
+      cb(err);
+      return;
+    }
+    read(id, cb);
+  });
 }
 // [END update]
 
-function _delete (id, cb) {
+function _delete(id, cb) {
   connection.query('DELETE FROM `books` WHERE `id` = ?', id, cb);
 }
 
@@ -98,7 +104,7 @@ module.exports = {
   create: create,
   read: read,
   update: update,
-  delete: _delete
+  delete: _delete,
 };
 
 if (module === require.main) {
@@ -107,7 +113,8 @@ if (module === require.main) {
 
   console.log(
     `Running this script directly will allow you to initialize your mysql database.
-    This script will not modify any existing tables.`);
+    This script will not modify any existing tables.`
+  );
 
   prompt.get(['user', 'password'], (err, result) => {
     if (err) {
@@ -117,10 +124,15 @@ if (module === require.main) {
   });
 }
 
-function createSchema (config) {
-  const connection = mysql.createConnection(extend({
-    multipleStatements: true
-  }, config));
+function createSchema(config) {
+  const connection = mysql.createConnection(
+    extend(
+      {
+        multipleStatements: true,
+      },
+      config
+    )
+  );
 
   connection.query(
     `CREATE DATABASE IF NOT EXISTS \`bookshelf\`
@@ -137,7 +149,7 @@ function createSchema (config) {
       \`createdBy\` VARCHAR(255) NULL,
       \`createdById\` VARCHAR(255) NULL,
     PRIMARY KEY (\`id\`));`,
-    (err) => {
+    err => {
       if (err) {
         throw err;
       }