feat: Implement the rule "es6" (#212)

* feat: Implement the rule "es6"

* fix

* add copyright

rules/es6.js

@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2012 Airbnb
+ *
+ * Licensed under the MIT License: https://github.com/airbnb/javascript/blob/master/LICENSE.md
+ *
+ * This file is a copy of https://github.com/airbnb/javascript/blob/master/packages/eslint-config-airbnb-base/rules/es6.js
+ * with the following modifications:
+ *
+ * - Turn `requireReturnForObjectLiteral` to `true` in `arrow-body-style`
+ * - Turn off `no-useless-constructor` because it's unnecessary with TypeScript
+ */
+
+module.exports = {
+  rules: {
+    // enforces no braces where they can be omitted
+    // https://eslint.org/docs/rules/arrow-body-style
+    'arrow-body-style': [
+      'error',
+      'as-needed',
+      {
+        requireReturnForObjectLiteral: true,
+      },
+    ],
+
+    // require parens in arrow function arguments
+    // https://eslint.org/docs/rules/arrow-parens
+    'arrow-parens': ['error', 'always'],
+
+    // require space before/after arrow function's arrow
+    // https://eslint.org/docs/rules/arrow-spacing
+    'arrow-spacing': ['error', { before: true, after: true }],
+
+    // verify super() callings in constructors
+    'constructor-super': 'error',
+
+    // enforce the spacing around the * in generator functions
+    // https://eslint.org/docs/rules/generator-star-spacing
+    'generator-star-spacing': ['error', { before: false, after: true }],
+
+    // disallow modifying variables of class declarations
+    // https://eslint.org/docs/rules/no-class-assign
+    'no-class-assign': 'error',
+
+    // disallow arrow functions where they could be confused with comparisons
+    // https://eslint.org/docs/rules/no-confusing-arrow
+    'no-confusing-arrow': [
+      'error',
+      {
+        allowParens: true,
+      },
+    ],
+
+    // disallow modifying variables that are declared using const
+    'no-const-assign': ['error'],
+
+    // disallow duplicate class members
+    // https://eslint.org/docs/rules/no-dupe-class-members
+    'no-dupe-class-members': ['error'],
+
+    // disallow importing from the same path more than once
+    // https://eslint.org/docs/rules/no-duplicate-imports
+    // replaced by https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-duplicates.md
+    'no-duplicate-imports': ['off'],
+
+    // disallow symbol constructor
+    // https://eslint.org/docs/rules/no-new-symbol
+    'no-new-symbol': ['error'],
+
+    // Disallow specified names in exports
+    // https://eslint.org/docs/rules/no-restricted-exports
+    'no-restricted-exports': [
+      'error',
+      {
+        restrictedNamedExports: [
+          'default', // use `export default` to provide a default export
+          'then', // this will cause tons of confusion when your module is dynamically `import()`ed, and will break in most node ESM versions
+        ],
+      },
+    ],
+
+    // disallow specific imports
+    // https://eslint.org/docs/rules/no-restricted-imports
+    'no-restricted-imports': [
+      'error',
+      {
+        paths: [
+          // {
+          //   name: 'path-to-foo',
+          //   importNames: ['module-name'],
+          //   message: 'Use `module-name` in `path-to-bar` instead.',
+          // },
+        ],
+      },
+    ],
+
+    // disallow to use this/super before super() calling in constructors.
+    // https://eslint.org/docs/rules/no-this-before-super
+    'no-this-before-super': 'error',
+
+    // disallow useless computed property keys
+    // https://eslint.org/docs/rules/no-useless-computed-key
+    'no-useless-computed-key': ['error'],
+
+    // disallow unnecessary constructor
+    // https://eslint.org/docs/rules/no-useless-constructor
+    'no-useless-constructor': ['off'],
+
+    // disallow renaming import, export, and destructured assignments to the same name
+    // https://eslint.org/docs/rules/no-useless-rename
+    'no-useless-rename': [
+      'error',
+      {
+        ignoreDestructuring: false,
+        ignoreImport: false,
+        ignoreExport: false,
+      },
+    ],
+
+    // require let or const instead of var
+    'no-var': ['error'],
+
+    // require method and property shorthand syntax for object literals
+    // https://eslint.org/docs/rules/object-shorthand
+    'object-shorthand': [
+      'error',
+      'always',
+      {
+        ignoreConstructors: false,
+        avoidQuotes: true,
+      },
+    ],
+
+    // suggest using arrow functions as callbacks
+    'prefer-arrow-callback': [
+      'error',
+      {
+        allowNamedFunctions: false,
+        allowUnboundThis: true,
+      },
+    ],
+
+    // suggest using of const declaration for variables that are never modified after declared
+    'prefer-const': [
+      'error',
+      {
+        destructuring: 'any',
+        ignoreReadBeforeAssign: true,
+      },
+    ],
+
+    // Prefer destructuring from arrays and objects
+    // https://eslint.org/docs/rules/prefer-destructuring
+    'prefer-destructuring': [
+      'error',
+      {
+        VariableDeclarator: {
+          array: false,
+          object: true,
+        },
+        AssignmentExpression: {
+          array: true,
+          object: false,
+        },
+      },
+      {
+        enforceForRenamedProperties: false,
+      },
+    ],
+
+    // disallow parseInt() in favor of binary, octal, and hexadecimal literals
+    // https://eslint.org/docs/rules/prefer-numeric-literals
+    'prefer-numeric-literals': ['error'],
+
+    // suggest using Reflect methods where applicable
+    // https://eslint.org/docs/rules/prefer-reflect
+    'prefer-reflect': ['off'],
+
+    // use rest parameters instead of arguments
+    // https://eslint.org/docs/rules/prefer-rest-params
+    'prefer-rest-params': ['error'],
+
+    // suggest using the spread syntax instead of .apply()
+    // https://eslint.org/docs/rules/prefer-spread
+    'prefer-spread': ['error'],
+
+    // suggest using template literals instead of string concatenation
+    // https://eslint.org/docs/rules/prefer-template
+    'prefer-template': ['error'],
+
+    // enforce spacing between object rest-spread
+    // https://eslint.org/docs/rules/rest-spread-spacing
+    'rest-spread-spacing': ['error', 'never'],
+
+    // import sorting
+    // https://eslint.org/docs/rules/sort-imports
+    'sort-imports': [
+      'off',
+      {
+        ignoreCase: false,
+        ignoreDeclarationSort: false,
+        ignoreMemberSort: false,
+        memberSyntaxSortOrder: ['none', 'all', 'multiple', 'single'],
+      },
+    ],
+
+    // require a Symbol description
+    // https://eslint.org/docs/rules/symbol-description
+    'symbol-description': ['error'],
+
+    // enforce usage of spacing in template strings
+    // https://eslint.org/docs/rules/template-curly-spacing
+    'template-curly-spacing': ['error'],
+
+    // enforce spacing around the * in yield* expressions
+    // https://eslint.org/docs/rules/yield-star-spacing
+    'yield-star-spacing': ['error', 'after'],
+  },
+};