feat: Merge TypeScript into main config

BREAKING CHANGE: There is no longer support for plain JavaScript files

README.md

@@ -9,29 +9,23 @@
 ## Description
 
 This package contains a simple and sensible ESLint config that you can use to
-get up and running with a TypeScript or JavaScript project. It uses the
+get up and running with a TypeScript. It uses the
 [TypeScript ESLint parser](https://github.com/typescript-eslint/typescript-eslint)
 and [Prettier](https://prettier.io).
 
 ## Installation
 
 ```sh
-npm install -D @mskelton/eslint-config
+npm install -D @mskelton/eslint-config eslint eslint-plugin-sort @typescript-eslint/eslint-plugin @typescript-eslint/parser
 ```
 
-After installing the package, install the required peer dependencies.
-
-```sh
-npm install -D @babel/core @babel/eslint-parser eslint eslint-plugin-sort
-```
-
-### TypeScript
+### React
 
-If using TypeScript, install the following peer dependencies in addition to the
-list above.
+If using React, install the following peer dependencies in addition to the list
+above.
 
 ```sh
-npm install -D @typescript-eslint/eslint-plugin @typescript-eslint/parser
+npm install -D eslint-plugin-react eslint-plugin-react-hooks
 ```
 
 ### Jest
@@ -43,15 +37,6 @@ above.
 npm install -D eslint-plugin-jest
 ```
 
-### React
-
-If using React, install the following peer dependencies in addition to the list
-above.
-
-```sh
-npm install -D eslint-plugin-react eslint-plugin-react-hooks
-```
-
 ## Usage
 
 In your `.eslintrc` file, add the following content including the configs you
@@ -61,7 +46,6 @@ want for your project.
 {
   "extends": [
     "@mskelton",
-    "@mskelton/eslint-config/typescript",
     "@mskelton/eslint-config/react",
     "@mskelton/eslint-config/jest"
   ]

index.js

@@ -1,16 +1,38 @@
 module.exports = {
-  extends: ["eslint:recommended", "plugin:sort/recommended", "prettier"],
-  parser: "@babel/eslint-parser",
+  extends: [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:sort/recommended",
+    "prettier",
+  ],
+  parser: "@typescript-eslint/parser",
   parserOptions: {
     ecmaVersion: 2018,
-    requireConfigFile: false,
   },
   plugins: ["sort"],
   env: {
     es6: true,
     node: true,
   },
   rules: {
+    "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/explicit-module-boundary-types": "off",
+    "@typescript-eslint/no-empty-function": "off",
+    "@typescript-eslint/no-empty-interface": "off",
+    "@typescript-eslint/no-explicit-any": "off",
+    "@typescript-eslint/no-non-null-assertion": "off",
+    "@typescript-eslint/no-useless-constructor": "error",
+    "@typescript-eslint/no-unused-vars": [
+      "error",
+      {
+        argsIgnorePattern: "^_",
+        varsIgnorePattern: "^_",
+      },
+    ],
+    "no-useless-constructor": "off",
+    "sort/type-properties": "warn",
+    "sort/string-enums": "warn",
+    "sort/string-unions": "warn",
     "no-unused-vars": [
       "error",
       {

package.json

@@ -20,14 +20,11 @@
   },
   "main": "index.js",
   "files": [
-    "typescript.js",
     "jest.js",
     "react.js",
     "playwright.js"
   ],
   "peerDependencies": {
-    "@babel/core": ">= 7",
-    "@babel/eslint-parser": ">= 7",
     "@typescript-eslint/eslint-plugin": ">= 5",
     "@typescript-eslint/parser": ">= 5",
     "eslint": ">= 8",
@@ -37,20 +34,14 @@
     "eslint-plugin-sort": ">= 2.10.0"
   },
   "peerDependenciesMeta": {
-    "@typescript-eslint/eslint-plugin": {
+    "eslint-plugin-react": {
       "optional": true
     },
-    "@typescript-eslint/parser": {
+    "eslint-plugin-react-hooks": {
       "optional": true
     },
     "eslint-plugin-jest": {
       "optional": true
-    },
-    "eslint-plugin-react": {
-      "optional": true
-    },
-    "eslint-plugin-react-hooks": {
-      "optional": true
     }
   },
   "dependencies": {