feat(style): add prettier configs

feat(esm): add separate config for esm

.eslintrc.js

@@ -22,10 +22,7 @@ module.exports = {
         },
       },
     ],
-    strict: [
-      'error',
-      'safe',
-    ],
+    strict: ['error', 'safe'],
     'linebreak-style': ['error', 'unix'],
     'no-await-in-loop': 'off',
     'func-names': 0,
@@ -46,30 +43,42 @@ module.exports = {
     'max-classes-per-file': 'off',
     'consistent-return': 'off',
     'class-methods-use-this': 'off',
-    'max-len': ['error', {
-      code: 120,
-      tabWidth: 2,
-      comments: 120,
-      ignoreTemplateLiterals: true,
-      ignoreStrings: true,
-    }],
+    'max-len': [
+      'error',
+      {
+        code: 120,
+        tabWidth: 2,
+        comments: 120,
+        ignoreTemplateLiterals: true,
+        ignoreStrings: true,
+      },
+    ],
     'import/no-unresolved': 0,
     'no-null/no-null': 2,
+    quotes: [
+      2,
+      'single',
+      {
+        avoidEscape: true,
+        allowTemplateLiterals: true,
+      },
+    ],
+    'prettier/prettier': [
+      'error',
+      {},
+      {
+        usePrettierrc: true,
+      },
+    ],
   },
-  extends: [
-    'prettier',
-    'airbnb-base',
-  ],
+  extends: ['airbnb-base', 'plugin:prettier/recommended'],
   plugins: ['no-null'],
   parser: '@babel/eslint-parser',
   parserOptions: {
     sourceType: 'script',
     ecmaVersion: 6,
     babelOptions: {
-      plugins: [
-        '@babel/plugin-proposal-class-properties',
-        '@babel/plugin-proposal-private-methods',
-      ],
+      plugins: ['@babel/plugin-proposal-class-properties', '@babel/plugin-proposal-private-methods'],
     },
   },
 };

esm.js

@@ -0,0 +1,73 @@
+'use strict';
+
+module.exports = {
+  globals: {},
+  rules: {
+    'valid-jsdoc': [
+      'error',
+      {
+        requireReturn: false,
+        requireReturnDescription: false,
+        preferType: {
+          String: 'string',
+          Number: 'number',
+          Boolean: 'boolean',
+          Function: 'function',
+          object: 'Object',
+          date: 'Date',
+          error: 'Error',
+        },
+        prefer: {
+          return: 'returns',
+        },
+      },
+    ],
+    strict: ['error', 'safe'],
+    'linebreak-style': ['error', 'unix'],
+    'no-await-in-loop': 'off',
+    'func-names': 0,
+    'global-require': 0,
+    'no-param-reassign': 'off',
+    'no-continue': 'off',
+    'lines-between-class-members': 'off',
+    'no-fallthrough': 'off',
+    'no-case-declarations': 'off',
+    'default-case': 'off',
+    'max-classes-per-file': 'off',
+    'consistent-return': 'off',
+    'class-methods-use-this': 'off',
+    'max-len': [
+      'error',
+      {
+        code: 120,
+        tabWidth: 2,
+        comments: 120,
+        ignoreTemplateLiterals: true,
+        ignoreStrings: true,
+      },
+    ],
+    'import/no-unresolved': 0,
+    'no-null/no-null': 2,
+    'import/extensions': 0,
+    'prettier/prettier': [
+      'error',
+      {},
+      {
+        usePrettierrc: true,
+      },
+    ],
+  },
+  extends: ['airbnb-base', 'plugin:prettier/recommended'],
+  plugins: ['no-null'],
+  parser: '@babel/eslint-parser',
+  parserOptions: {
+    sourceType: 'module',
+    ecmaVersion: 6,
+    ecmaFeatures: {
+      modules: true,
+    },
+    babelOptions: {
+      plugins: ['@babel/plugin-proposal-class-properties', '@babel/plugin-proposal-private-methods'],
+    },
+  },
+};

package.json

@@ -25,7 +25,9 @@
   },
   "homepage": "https://github.com/wfcd/eslint-config#readme",
   "exports": {
-    ".": "./index.js"
+    ".": "./index.js",
+    "./esm": "./esm.js",
+    "./prettier": "./prettier.config.js"
   },
   "peerDependencies": {
     "@babel/core": "^7",

prettier.config.js

@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = {
+  trailingComma: 'es5',
+  tabWidth: 2,
+  semi: true,
+  singleQuote: true,
+  quoteProps: 'as-needed',
+  bracketSpacing: true,
+  arrowParens: 'always',
+  printWidth: 120,
+};