chore: tighter linting

.eslintrc.js

@@ -0,0 +1,173 @@
+module.exports = {
+  root: true,
+  plugins: [
+    'eslint-plugin',
+    '@typescript-eslint',
+    'jest',
+    'import',
+    'eslint-comments',
+  ],
+  env: {
+    es6: true,
+    node: true,
+  },
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+  ],
+  rules: {
+    //
+    // eslint base
+    //
+
+    'comma-dangle': ['error', 'always-multiline'],
+    curly: ['error', 'all'],
+    'no-mixed-operators': 'error',
+    'no-console': 'error',
+    'no-process-exit': 'error',
+
+    //
+    // our plugin :D
+    //
+
+    '@typescript-eslint/indent': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/no-non-null-assertion': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-member-accessibility': 'off',
+    '@typescript-eslint/no-var-requires': 'off',
+    '@typescript-eslint/no-use-before-define': 'off',
+    '@typescript-eslint/no-object-literal-type-assertion': 'off',
+    '@typescript-eslint/no-parameter-properties': 'off',
+
+    //
+    // eslint-plugin-import
+    //
+
+    // disallow non-import statements appearing before import statements
+    'import/first': 'error',
+    // Require a newline after the last import/require in a group
+    'import/newline-after-import': 'error',
+    // Forbid import of modules using absolute paths
+    'import/no-absolute-path': 'error',
+    // disallow AMD require/define
+    'import/no-amd': 'error',
+    // forbid default exports
+    'import/no-default-export': 'error',
+    // Forbid the use of extraneous packages
+    'import/no-extraneous-dependencies': [
+      'error',
+      {
+        devDependencies: true,
+        peerDependencies: true,
+        optionalDependencies: false,
+      },
+    ],
+    // Forbid mutable exports
+    'import/no-mutable-exports': 'error',
+    // Prevent importing the default as if it were named
+    'import/no-named-default': 'error',
+    // Prohibit named exports // we want everything to be a named export
+    'import/no-named-export': 'off',
+    // Forbid a module from importing itself
+    'import/no-self-import': 'error',
+    // Require modules with a single export to use a default export // we want everything to be named
+    'import/prefer-default-export': 'off',
+
+    //
+    // eslint-plugin-eslint-comment
+    //
+
+    // require a eslint-enable comment for every eslint-disable comment
+    'eslint-comments/disable-enable-pair': [
+      'error',
+      {
+        allowWholeFile: true,
+      },
+    ],
+    // disallow a eslint-enable comment for multiple eslint-disable comments
+    'eslint-comments/no-aggregating-enable': 'error',
+    // disallow duplicate eslint-disable comments
+    'eslint-comments/no-duplicate-disable': 'error',
+    // disallow eslint-disable comments without rule names
+    'eslint-comments/no-unlimited-disable': 'error',
+    // disallow unused eslint-disable comments
+    'eslint-comments/no-unused-disable': 'error',
+    // disallow unused eslint-enable comments
+    'eslint-comments/no-unused-enable': 'error',
+    // disallow ESLint directive-comments
+    'eslint-comments/no-use': [
+      'error',
+      {
+        allow: [
+          'eslint-disable',
+          'eslint-disable-line',
+          'eslint-disable-next-line',
+          'eslint-enable',
+        ],
+      },
+    ],
+  },
+  parserOptions: {
+    sourceType: 'module',
+    ecmaFeatures: {
+      jsx: false,
+    },
+    project: './tsconfig.base.json',
+  },
+  overrides: [
+    {
+      files: [
+        'packages/eslint-plugin-tslint/tests/**/*.ts',
+        'packages/eslint-plugin/tests/**/*.test.ts',
+        'packages/parser/tests/**/*.ts',
+        'packages/typescript-estree/tests/**/*.ts',
+      ],
+      env: {
+        'jest/globals': true,
+      },
+      rules: {
+        'jest/no-disabled-tests': 'warn',
+        'jest/no-focused-tests': 'error',
+        'jest/no-alias-methods': 'error',
+        'jest/no-identical-title': 'error',
+        'jest/no-jasmine-globals': 'error',
+        'jest/no-jest-import': 'error',
+        'jest/no-test-prefixes': 'error',
+        'jest/no-test-callback': 'error',
+        'jest/no-test-return-statement': 'error',
+        'jest/prefer-to-have-length': 'warn',
+        'jest/prefer-spy-on': 'error',
+        'jest/valid-expect': 'error',
+      },
+    },
+    {
+      files: [
+        'packages/eslint-plugin/tests/**/*.test.ts',
+        'packages/eslint-plugin-tslint/tests/**/*.spec.ts',
+      ],
+      rules: {
+        'eslint-plugin/no-identical-tests': 'error',
+      },
+    },
+    {
+      files: [
+        'packages/eslint-plugin/src/rules/**/*.ts',
+        'packages/eslint-plugin/src/configs/**/*.ts',
+        'packages/eslint-plugin-tslint/src/rules/**/*.ts',
+      ],
+      rules: {
+        // specifically for rules - default exports makes the tooling easier
+        'import/no-default-export': 'off',
+      },
+    },
+    {
+      files: ['**/tools/**/*.ts', '**/tests/**/*.ts'],
+      rules: {
+        // allow console logs in tools and tests
+        'no-console': 'off',
+      },
+    },
+  ],
+};

package.json

@@ -47,31 +47,24 @@
     "node": ">=6.14.0"
   },
   "devDependencies": {
-    "@babel/code-frame": "7.0.0",
-    "@babel/parser": "7.3.2",
     "@commitlint/cli": "^7.1.2",
     "@commitlint/config-conventional": "^7.1.2",
     "@commitlint/travis-cli": "^7.1.2",
-    "@types/babel-code-frame": "^6.20.1",
-    "@types/glob": "^7.1.1",
     "@types/jest": "^24.0.6",
-    "@types/lodash.isplainobject": "^4.0.4",
-    "@types/lodash.unescape": "^4.0.4",
     "@types/node": "^10.12.2",
-    "@types/semver": "^5.5.0",
     "all-contributors-cli": "^6.0.0",
-    "babel-code-frame": "^6.26.0",
     "cz-conventional-changelog": "2.1.0",
     "eslint": "^5.12.1",
+    "eslint-plugin-eslint-comments": "^3.1.1",
     "eslint-plugin-eslint-plugin": "^2.0.1",
+    "eslint-plugin-import": "^2.17.2",
     "eslint-plugin-jest": "^22.2.2",
     "glob": "7.1.2",
     "husky": "^1.3.1",
     "isomorphic-fetch": "^2.2.1",
     "jest": "24.3.0",
     "lerna": "^3.10.5",
     "lint-staged": "8.1.0",
-    "lodash.isplainobject": "4.0.6",
     "prettier": "^1.17.0",
     "rimraf": "^2.6.3",
     "ts-jest": "^24.0.0",

packages/eslint-plugin-tslint/package.json

@@ -32,7 +32,8 @@
   },
   "peerDependencies": {
     "eslint": "^5.0.0",
-    "tslint": "^5.0.0"
+    "tslint": "^5.0.0",
+    "typescript": "*"
   },
   "devDependencies": {
     "@types/json-schema": "^7.0.3",

packages/eslint-plugin/package.json

@@ -44,7 +44,9 @@
     "tsutils": "^3.7.0"
   },
   "devDependencies": {
-    "eslint-docs": "^0.2.6"
+    "@typescript-eslint/parser": "1.9.0",
+    "eslint-docs": "^0.2.6",
+    "typescript": "*"
   },
   "peerDependencies": {
     "@typescript-eslint/parser": "1.9.0",

packages/eslint-plugin/src/rules/no-magic-numbers.ts

@@ -8,8 +8,8 @@ import {
   AST_NODE_TYPES,
 } from '@typescript-eslint/experimental-utils';
 import baseRule from 'eslint/lib/rules/no-magic-numbers';
+import { JSONSchema4 } from 'json-schema'; // eslint-disable-line import/no-extraneous-dependencies
 import * as util from '../util';
-import { JSONSchema4 } from 'json-schema';
 
 type Options = util.InferOptionsTypeFromRule<typeof baseRule>;
 type MessageIds = util.InferMessageIdsTypeFromRule<typeof baseRule>;

packages/eslint-plugin/src/rules/prefer-regexp-exec.ts

@@ -1,6 +1,6 @@
-import { TSESTree } from '@typescript-eslint/typescript-estree';
-import { createRule, getParserServices, getTypeName } from '../util';
+import { TSESTree } from '@typescript-eslint/experimental-utils';
 import { getStaticValue } from 'eslint-utils';
+import { createRule, getParserServices, getTypeName } from '../util';
 
 export default createRule({
   name: 'prefer-regexp-exec',

packages/eslint-plugin/tools/generate-configs.ts

@@ -1,5 +1,3 @@
-/* eslint-disable no-console */
-
 import { TSESLint } from '@typescript-eslint/experimental-utils';
 import fs from 'fs';
 import path from 'path';

packages/experimental-utils/package.json

@@ -32,11 +32,14 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
+    "@types/json-schema": "^7.0.3",
     "@typescript-eslint/typescript-estree": "1.9.0",
     "eslint-scope": "^4.0.0"
   },
   "peerDependencies": {
-    "eslint": "*",
+    "eslint": "*"
+  },
+  "devDependencies": {
     "typescript": "*"
   }
 }

packages/experimental-utils/src/ts-eslint/CLIEngine.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @typescript-eslint/no-namespace, no-redeclare */
+/* eslint-disable @typescript-eslint/no-namespace */
 
 import { CLIEngine as ESLintCLIEngine } from 'eslint';
 import { Linter } from './Linter';

packages/experimental-utils/src/ts-eslint/Linter.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @typescript-eslint/no-namespace, no-redeclare */
+/* eslint-disable @typescript-eslint/no-namespace */
 
 import { TSESTree, ParserServices } from '@typescript-eslint/typescript-estree';
 import { Linter as ESLintLinter } from 'eslint';

packages/experimental-utils/src/ts-eslint/Rule.ts

@@ -1,5 +1,5 @@
 import { ParserServices, TSESTree } from '@typescript-eslint/typescript-estree';
-import { JSONSchema4 } from 'json-schema';
+import { JSONSchema4 } from 'json-schema'; // eslint-disable-line import/no-extraneous-dependencies
 import { AST } from './AST';
 import { Linter } from './Linter';
 import { Scope } from './Scope';

packages/experimental-utils/src/ts-eslint/SourceCode.ts

@@ -1,4 +1,4 @@
-/* eslint-disable @typescript-eslint/no-namespace, no-redeclare */
+/* eslint-disable @typescript-eslint/no-namespace */
 
 import { ParserServices, TSESTree } from '@typescript-eslint/typescript-estree';
 import { SourceCode as ESLintSourceCode } from 'eslint';

packages/parser/package.json

@@ -43,6 +43,8 @@
     "eslint-visitor-keys": "^1.0.0"
   },
   "devDependencies": {
-    "@typescript-eslint/shared-fixtures": "1.9.0"
+    "@types/glob": "^7.1.1",
+    "@typescript-eslint/shared-fixtures": "1.9.0",
+    "glob": "^7.1.4"
   }
 }

packages/parser/typings/eslint.d.ts

@@ -1,5 +1,6 @@
 declare module 'eslint/lib/util/traverser' {
   import { TSESTree } from '@typescript-eslint/experimental-utils';
+
   const traverser: {
     traverse(
       node: TSESTree.Node,