Migrate to ESLint

.eslintrc.js

@@ -0,0 +1,22 @@
+'use strict';
+module.exports = {
+  parserOptions: {
+    ecmaVersion: 2017,
+  },
+  extends: ['eslint:recommended', 'plugin:node/recommended'],
+  plugins: ['node'],
+  env: {
+    node: true,
+    es6: true,
+  },
+  overrides: [
+    {
+      files: ['test/**/*-test.js'],
+      env: {
+        mocha: true,
+      },
+      extends: ['plugin:mocha/recommended'],
+      plugins: ['mocha'],
+    },
+  ]
+};

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
 tmp/
+.eslintcache

.npmignore

@@ -1,5 +1,6 @@
 test
 .gitignore
-.jshintignore
-.jshintrc
+.eslintcache
+.eslintignore
+.eslintrc.js
 .travis.yml

package.json

@@ -4,7 +4,8 @@
   "description": "An Express middleware for rendering Ember apps with FastBoot",
   "main": "src/index.js",
   "scripts": {
-    "test": "mocha"
+    "lint:js": "eslint --cache .",
+    "test": "yarn lint:js && mocha"
   },
   "repository": {
     "type": "git",
@@ -29,9 +30,11 @@
     "chai": "^4.1.0",
     "chai-as-promised": "^7.1.1",
     "ember-cli": "^2.7.0",
+    "eslint": "^6.8.0",
+    "eslint-plugin-mocha": "^6.2.2",
+    "eslint-plugin-node": "^11.0.0",
     "express": "^4.13.4",
     "mocha": "^5.0.0",
-    "mocha-jshint": "^2.3.1",
     "request-promise": "^4.2.1"
   },
   "dependencies": {

test/helpers/test-http-server.js

@@ -2,7 +2,6 @@
 
 const express            = require('express');
 const request            = require('request-promise');
-const fastbootMiddleware = require('./../../src/index');
 
 let serverID = 0;
 
@@ -28,21 +27,20 @@ class TestHTTPServer {
     }
 
     if (options.recoverErrors) {
-      app.use((err, req, res, next) => {
+      app.use((err, req, res, next) => { // eslint-disable-line no-unused-vars
         res.set('x-test-recovery', 'recovered response');
         res.status(200);
         res.send('hello world');
       });
     }
 
-    return new Promise((resolve, reject) => {
+    return new Promise((resolve) => {
       let port = options.port || 3000;
       let host = options.host || 'localhost';
 
       let listener = app.listen(port, host, () => {
         let host = listener.address().address;
         let port = listener.address().port;
-        let family = listener.address().family;
 
         this.listener = listener;
         this.info = {

test/middleware-test.js

@@ -1,7 +1,6 @@
 'use strict';
 
 const expect             = require('chai').expect;
-const path               = require('path');
 const FastBoot           = require('fastboot');
 const fastbootMiddleware = require('./../src/index');
 const fixture            = require('./helpers/fixture-path');
@@ -85,7 +84,7 @@ describe("FastBoot", function() {
       .then(hotReloadApp)
       .then(requestSecondApp);
 
-    function requestFirstApp(info) {
+    function requestFirstApp() {
       return server.request('/')
         .then(function(html) {
           expect(html).to.match(/Welcome to Ember/);
@@ -98,14 +97,15 @@ describe("FastBoot", function() {
       });
     }
 
-    function requestSecondApp(info) {
+    function requestSecondApp() {
       return server.request('/')
         .then(function(html) {
           expect(html).to.match(/Goodbye from Ember/);
         });
     }
   });
 
+  /* eslint-disable mocha/no-setup-in-describe */
   [true, false].forEach((chunkedResponse) => {
     describe(`when chunked response is ${chunkedResponse ? 'enabled' : 'disabled'}`, function() {
       if (chunkedResponse) {
@@ -118,7 +118,7 @@ describe("FastBoot", function() {
 
           return server.start()
             .then(() => server.request('/', { resolveWithFullResponse: true }))
-            .then(({ body, _, headers }) => {
+            .then(({ body, headers }) => {
               expect(headers['transfer-encoding']).to.eq('chunked');
               expect(body).to.match(/Welcome to Ember/);
             });
@@ -258,4 +258,5 @@ describe("FastBoot", function() {
       });
     });
   });
+  /* eslint-enable mocha/no-setup-in-describe */
 });