Clean up linting configuration

.eslintrc.js

@@ -1,57 +1,17 @@
-/* eslint-disable import/no-extraneous-dependencies */
-const {
-  rules: airbnbBaseStyle,
-} = require('eslint-config-airbnb-base/rules/style');
-const {
-  rules: airbnbBaseBestPractices,
-} = require('eslint-config-airbnb-base/rules/best-practices');
-
 module.exports = {
+  root: true,
   extends: [
     'eslint-config-airbnb-base',
-    'plugin:prettier/recommended',
-    'prettier/babel',
+    'eslint-config-prettier',
     'plugin:jest/recommended',
     'plugin:jest/style',
   ],
-  plugins: ['eslint-plugin-babel'],
-  parser: 'babel-eslint',
-  env: {
-    es6: true,
-    commonjs: true,
-    node: true,
-  },
-  parserOptions: {
-    ecmaVersion: 2018,
-    sourceType: 'module',
-  },
+  // Force dotfiles to be checked, since by default ESLint ignores them.
+  ignorePatterns: ['!.*.js'],
+  reportUnusedDisableDirectives: true,
   rules: {
-    // Disable rules for which there are eslint-plugin-babel replacements:
-    // https://github.com/babel/eslint-plugin-babel#rules
-    'new-cap': 'off',
-    'no-invalid-this': 'off',
-    'object-curly-spacing': 'off',
-    semi: 'off',
-    'no-unused-expressions': 'off',
-    // Ensure the replacement rules use the options set by airbnb rather than ESLint defaults.
-    'babel/new-cap': airbnbBaseStyle['new-cap'],
-    'babel/no-invalid-this': airbnbBaseBestPractices['no-invalid-this'],
-    'babel/object-curly-spacing': airbnbBaseStyle['object-curly-spacing'],
-    'babel/semi': airbnbBaseStyle.semi,
-    'babel/no-unused-expressions':
-      airbnbBaseBestPractices['no-unused-expressions'],
     'class-methods-use-this': 'off',
     'no-shadow': 'off',
     'no-underscore-dangle': 'off',
-    'prettier/prettier': [
-      'error',
-      {
-        singleQuote: true,
-        jsxBracketSameLine: true,
-        trailingComma: 'all',
-        proseWrap: 'always',
-        endOfLine: 'lf',
-      },
-    ],
   },
 };

.prettierignore

@@ -0,0 +1,5 @@
+# Since autogenerated file
+CHANGELOG.md
+
+# Since it formats the inline code blocks, worsening readability
+README.md

.prettierrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  singleQuote: true,
+  trailingComma: 'all',
+};

.travis.yml

@@ -2,21 +2,22 @@ dist: bionic
 language: node_js
 cache: yarn
 node_js:
-- '10'
-- '12'
-- '14'
+  - '10'
+  - '12'
+  - '14'
 jobs:
   include:
-  # Prettier has dropped support for Node 8, so we have to skip linting and use --ignore-engines.
-  - node_js: 8
-    install:
-    - yarn --frozen-lockfile --ignore-engines
-    script:
-    - yarn test
-    - yarn test:types
+    # Prettier has dropped support for Node 8, so we have to skip linting and use --ignore-engines.
+    - node_js: 8
+      install:
+        - yarn --frozen-lockfile --ignore-engines
+      script:
+        - yarn test
+        - yarn test:types
 install:
-- yarn --frozen-lockfile
+  - yarn --frozen-lockfile
 script:
-- yarn lint
-- yarn test
-- yarn test:types
+  - yarn lint
+  - yarn style
+  - yarn test
+  - yarn test:types

package.json

@@ -21,9 +21,13 @@
   "author": "Eli Perelman <eli@eliperelman.com>",
   "license": "MPL-2.0",
   "scripts": {
+    "fix": "yarn lint:fix && yarn style:fix",
+    "lint": "eslint --cache --max-warnings 0 --format codeframe .",
+    "lint:fix": "yarn lint --fix",
+    "style": "prettier --check .",
+    "style:fix": "prettier --write .",
     "test": "jest",
     "test:types": "tsc -p ./types/test/tsconfig.json",
-    "lint": "eslint --cache --report-unused-disable-directives --format codeframe \".*.js\" \"*.js\" src test",
     "changelog": "auto-changelog --remote upstream --commit-limit false",
     "version": "yarn changelog --package && git add CHANGELOG.md"
   },
@@ -37,14 +41,11 @@
     "@types/tapable": "^1.0.6",
     "@types/webpack": "^4.41.21",
     "auto-changelog": "^2.2.0",
-    "babel-eslint": "^10.1.0",
     "eslint": "^7.5.0",
     "eslint-config-airbnb-base": "^14.2.0",
     "eslint-config-prettier": "^6.11.0",
-    "eslint-plugin-babel": "^5.3.1",
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-jest": "^23.18.0",
-    "eslint-plugin-prettier": "^3.1.4",
     "jest": "^25.3.0",
     "prettier": "^2.0.5",
     "typescript": "^3.9.7",

renovate.json

@@ -6,8 +6,6 @@
     ":semanticCommitsDisabled",
     ":unpublishSafe"
   ],
-  "reviewers": [
-    "neutrinojs/core-contributors"
-  ],
+  "reviewers": ["neutrinojs/core-contributors"],
   "pinVersions": false
 }