Switch from eslint & jscs to just eslint

- Copy most of the config from ember-cli
- Update package.json engines & travis.yml tested nodes
- Apply eslint rules

.eslintignore

@@ -1 +1,2 @@
 **/*{.,-}min.js
+**/test/fixtures/*

.eslintrc.js

@@ -1,5 +1,8 @@
 module.exports = {
   root: true,
+  parserOptions: {
+    ecmaVersion: 6,
+  },
   extends: 'eslint:recommended',
   env: {
     browser: false,
@@ -8,90 +11,88 @@ module.exports = {
   globals: {
   },
   rules: {
-    // JSHint "expr"
+    /*** Possible Errors ***/
+
+    'no-console': 0,
+    'no-template-curly-in-string': 2,
+    'no-unsafe-negation': 2,
+
+    /*** Best Practices ***/
+
+    'curly': 2,
+    'eqeqeq': 2,
+    'guard-for-in': 0,
+    'no-caller': 2,
+    'no-eq-null': 2,
+    'no-eval': 2,
+    'no-multi-spaces': [2, {
+      'exceptions': {
+        'ObjectExpression': true,
+        'Property': true,
+      },
+    }],
+    'no-new': 0,
     'no-unused-expressions': [2, {
       allowShortCircuit: true,
       allowTernary: true,
     }],
+    'wrap-iife': 0,
+    'yoda': 2,
 
-    // JSHint "proto", disabled due to warnings
-    'no-proto': 0,
+    /*** Strict Mode ***/
 
-    // JSHint "strict"
     'strict': [2, 'global'],
 
-    // JSHint "indent", disabled due to warnings
-    'indent': [2, 2, {
-      'SwitchCase': 1,
-      'VariableDeclarator': { 'var': 2, 'let': 2, 'const': 3 }
-    }],
-
-    // JSHint "camelcase"
-    camelcase: 2,
-
-    // JSHint "boss"
-    'no-cond-assign': [2, 'except-parens'],
+    /*** Variables ***/
 
-    // JSHint "curly"
-    curly: 2,
-
-    // JSHint "latedef"
+    'no-undef': 2,
+    'no-unused-vars': 2,
     'no-use-before-define': [2, 'nofunc'],
 
-    // JSHint "debug", disabled already in .jshintrc
-    'no-debugger': 0,
-
-    // JSHint "eqeqeq"
-    eqeqeq: 2,
-
-    // JSHint "evil"
-    'no-eval': 2,
-
-    // JSHint "forin", disabled already in .jshintrc
-    'guard-for-in': 0,
-
-    // JSHint "immed", disabled already in .jshintrc
-    'wrap-iife': 0,
+    /*** Stylistic Issues ***/
 
-    // JSHint "laxbreak"
+    'array-bracket-spacing': 2,
+    'block-spacing': 2,
+    'brace-style': [2, '1tbs', {
+      'allowSingleLine': true,
+    }],
+    'camelcase': 2,
+    'comma-dangle': 0,
+    'comma-spacing': 2,
+    'comma-style': 2,
+    'eol-last': 2,
+    'func-call-spacing': 2,
+    'indent': [2, 2, {
+      'SwitchCase': 1,
+      'VariableDeclarator': { 'var': 2, 'let': 2, 'const': 3 }
+    }],
+    'key-spacing': 2,
+    'keyword-spacing': 2,
     'linebreak-style': [2, 'unix'],
-
-    // JSHint "newcap
     'new-cap': [2, {
       properties: false,
     }],
-
-    // JSHint "noarg"
-    'no-caller': 2,
-
-    // JSHint "noempty", JSCS "disallowEmptyBlocks"
-    'no-empty': 2,
-
-    // JSHint "quotmark", disabled due to warnings
-    quotes: [0, 'single'],
-
-    // JSHint "nonew", disabled already in .jshintrc
-    'no-new': 0,
-
-    // JSHint "plusplus", disabled already in .jshintrc
+    'new-parens': 2,
+    'no-array-constructor': 2,
+    'no-bitwise': 2,
+    'no-lonely-if': 2,
+    'no-mixed-operators': 2,
     'no-plusplus': 0,
-
-    // JSHint "undef"
-    'no-undef': 2,
-
-    // JSHint "unused"
-    'no-unused-vars': 2,
-
-    // JSHint "sub", disabled due to warnings
-    'dot-notation': 0,
-
-    // JSHint "trailing"
     'no-trailing-spaces': 2,
-
-    // JSHint "eqnull"
-    'no-eq-null': 2,
-
-    'no-console': 0,
-    'comma-dangle': 0,
+    'no-unneeded-ternary': 2,
+    'no-whitespace-before-property': 2,
+    'object-curly-spacing': [2, 'always'],
+    'semi-spacing': 2,
+    'semi': 2,
+    'space-before-blocks': 2,
+    'space-before-function-paren': [2, 'never'],
+    'space-in-parens': 2,
+    'space-infix-ops': 2,
+    'space-unary-ops': 2,
+    'quotes': [2, 'single', {
+      'allowTemplateLiterals': true,
+    }],
+    'semi': [2, 'always'],
+    'wrap-regex': 2
   },
 };

.npmignore

@@ -20,6 +20,5 @@ bower.json
 ember-cli-build.js
 testem.js
 all-commands.sh
-lint-test.js
 testem.json
 upload-coverage.sh

.travis.yml

@@ -1,8 +1,8 @@
 ---
 language: node_js
 node_js:
-  - "0.12"
-  - "4.2"
+  - "4"
+  - "7"
 #  - "6" - The test that includes coverage runs with 6
 
 sudo: false
@@ -19,8 +19,6 @@ matrix:
   include:
   - node_js: "6"
     env: NPM_SCRIPT=client-test
-  - node_js: "6"
-    env: NPM_SCRIPT=jscs
   - node_js: "6"
     env: NPM_SCRIPT=lint
   - node_js: "6"

lib/commands/index.js

@@ -1,11 +1,11 @@
 'use strict';
 
 module.exports = {
-  try:           require('./try'),
+  try: require('./try'),
   'try:testall': require('./testall'),
-  'try:reset':   require('./reset'),
-  'try:each':    require('./try-each'),
-  'try:one':     require('./try-one'),
-  'try:ember':   require('./try-ember'),
-  'try:config':  require('./config')
+  'try:reset': require('./reset'),
+  'try:each': require('./try-each'),
+  'try:one': require('./try-one'),
+  'try:ember': require('./try-ember'),
+  'try:config': require('./config')
 };

lib/commands/try-each.js

@@ -3,7 +3,7 @@ var debug = require('debug')('ember-try:commands:try-each');
 
 module.exports = {
   name: 'try:each',
-  description: 'Runs each of the dependency scenarios specified in config with the specified command. The command defaults to `ember test`' ,
+  description: 'Runs each of the dependency scenarios specified in config with the specified command. The command defaults to `ember test`',
   works: 'insideProject',
 
   availableOptions: [

lib/dependency-manager-adapters/bower.js

@@ -1,13 +1,13 @@
 'use strict';
 
-var CoreObject    = require('core-object');
-var fs            = require('fs-extra');
-var RSVP          = require('rsvp');
-var path          = require('path');
-var extend        = require('extend');
-var debug         = require('debug')('ember-try:dependency-manager-adapter:bower');
-var rimraf        = RSVP.denodeify(require('rimraf'));
-var resolve       = RSVP.denodeify(require('resolve'));
+var CoreObject = require('core-object');
+var fs = require('fs-extra');
+var RSVP = require('rsvp');
+var path = require('path');
+var extend = require('extend');
+var debug = require('debug')('ember-try:dependency-manager-adapter:bower');
+var rimraf = RSVP.denodeify(require('rimraf'));
+var resolve = RSVP.denodeify(require('resolve'));
 var findEmberPath = require('../utils/find-ember-path');
 
 module.exports = CoreObject.extend({
@@ -34,7 +34,7 @@ module.exports = CoreObject.extend({
     if (depSet[this.configKey]) {
       return depSet[this.configKey];
     }
-    return {dependencies: depSet.dependencies, devDependencies: depSet.devDependencies, resolutions: depSet.resolutions};
+    return { dependencies: depSet.dependencies, devDependencies: depSet.devDependencies, resolutions: depSet.resolutions };
   },
   _writeBowerFileWithDepSetChanges: function(depSet) {
     var adapter = this;
@@ -117,7 +117,7 @@ module.exports = CoreObject.extend({
       })
       .then(function(bowerPath) {
         debug('Run bower install using bower at %s', bowerPath);
-        return adapter.run('node', [].concat([bowerPath, 'install', '--config.interactive=false'], options), {cwd: adapter.cwd});
+        return adapter.run('node', [].concat([bowerPath, 'install', '--config.interactive=false'], options), { cwd: adapter.cwd });
       });
   },
   _bowerJSONForDependencySet: function(bowerJSON, depSet) {