Modernize addon

.eslintrc.js

@@ -1,3 +1,5 @@
+'use strict';
+
 module.exports = {
   root: true,
   parser: 'babel-eslint',
@@ -13,45 +15,56 @@ module.exports = {
   ],
   extends: [
     'eslint:recommended',
-    'plugin:ember/recommended'
+    'plugin:ember/recommended',
+    'plugin:prettier/recommended',
   ],
   env: {
     browser: true
   },
   rules: {
-    'ember/no-jquery': 'off',
-    'ember/no-new-mixins': 'off'
+    'ember/avoid-leaking-state-in-ember-objects': 0,
+    'ember/no-classic-classes': 0,
+    'ember/no-classic-components': 0,
+    'ember/no-component-lifecycle-hooks': 0,
+    'ember/no-jquery': 0,
+    'ember/no-mixins': 0,
+    'ember/no-new-mixins': 0,
+    'ember/no-string-prototype-extensions': 0,
+    'ember/require-tagless-components': 0,
+    'ember/use-ember-data-rfc-395-imports': 0,
   },
   overrides: [
     // node files
     {
       files: [
-        '.eslintrc.js',
-        '.template-lintrc.js',
-        'ember-cli-build.js',
-        'index.js',
-        'testem.js',
-        'blueprints/*/index.js',
-        'config/**/*.js',
-        'tests/dummy/config/**/*.js'
-      ],
-      excludedFiles: [
-        'addon/**',
-        'addon-test-support/**',
-        'app/**',
-        'tests/dummy/app/**'
+        './.eslintrc.js',
+        './.prettierrc.js',
+        './.template-lintrc.js',
+        './ember-cli-build.js',
+        './index.js',
+        './testem.js',
+        './blueprints/*/index.js',
+        './config/**/*.js',
+        './tests/dummy/config/**/*.js'
       ],
       parserOptions: {
-        sourceType: 'script'
+        sourceType: 'script',
       },
       env: {
         browser: false,
         node: true
       },
       plugins: ['node'],
-      rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
-        // add your custom rules and overrides for node files here
-      })
-    }
-  ]
+      extends: ['plugin:node/recommended'],
+    },
+    {
+      // Test files:
+      files: ['tests/**/*-test.{js,ts}'],
+      extends: ['plugin:qunit/recommended'],
+      rules: {
+        'ember/no-get': 0,
+        'qunit/no-conditional-assertions': 0,
+      },
+    },
+  ],
 };

.prettierignore

@@ -0,0 +1,21 @@
+# unconventional js
+/blueprints/*/files/
+/vendor/
+
+# compiled output
+/dist/
+/tmp/
+
+# dependencies
+/bower_components/
+/node_modules/
+
+# misc
+/coverage/
+!.*
+.eslintcache
+
+# ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/package.json.ember-try

.prettierrc.js

@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = {
+  singleQuote: true,
+  printWidth: 300,
+};