refactor: move from extends files to factory function (#2)

.eslintrc.js

@@ -1,4 +1,8 @@
-module.exports = {
-  root: true,
-  extends: require.resolve("./js"),
-};
+const easelint = require("./index");
+
+module.exports = easelint({
+  javascript: true,
+  eslint: {
+    root: true,
+  },
+});

README.md

@@ -49,42 +49,24 @@ Using any [file formats](https://eslint.org/docs/user-guide/configuring/configur
 #### Using the full configuration with JavaScript, TypeScript and React
 
 ```js
-module.exports = {
-  "extends": ["100terres"],
-};
-```
-#### JavaScript config
+const easelint = require('easelint');
 
-```js
-module.exports = {
-  "extends": ["100terres/js"],
-};
-```
-#### JavaScript with React config
+module.exports = easelint({
+  javascript: true,
+  typescript: true,
 
-```js
-module.exports = {
-  "extends": ["100terres/js", "100terres/jsx"],
-};
-```
-#### TypeScript config
+  // we currently only support React
+  jsxPragma: 'react',
 
-```js
-module.exports = {
-  "extends": ["100terres/ts"],
-};
-```
-#### TypeScript with React config
+  eslint: {
+    // any eslint configuration
+  },
+});
 
-```js
-module.exports = {
-  "extends": ["100terres/ts", "100terres/tsx"],
-};
 ```
 
 Voilà! Your project now uses a linter.
 
-
 ## How to Contribute 🤝
 
 Pull requests are welcome. If you'd like to contribute to easelint, that's awesome. Simply open an issue explaining what we should change, improve or fix. If we decide that a change is required we can open a pull request and once everything looks good I'll approve and merge the PR.

index.js

@@ -1,5 +1,25 @@
-module.exports = {
-  extends: ["./internal/base", "./js", "./jsx", "./ts", "./tsx"].map(
-    require.resolve
-  ),
+const spready = require("@potloc/spready");
+
+module.exports = (config) => {
+  const { typescript, javascript, jsxPragma, eslint = {} } = config;
+
+  if (jsxPragma !== undefined && jsxPragma !== "react") {
+    throw new Error(
+      "Only react is supported as a jsx pragma. We'll support more in the feature."
+    );
+  }
+
+  const react = jsxPragma === "react";
+
+  return {
+    ...eslint,
+    extends: [
+      "./src/internal/base",
+      ...spready(["./src/js"]).if(javascript),
+      ...spready(["./src/ts"]).if(typescript),
+      ...spready(["./src/jsx"]).if(react && javascript),
+      ...spready(["./src/tsx"]).if(react && typescript),
+      ...spready(() => eslint.extends).if(eslint.extends),
+    ].map(require.resolve),
+  };
 };

package.json

@@ -13,11 +13,7 @@
     "LICENSE",
     "README.md",
     "index.js",
-    "internal/*",
-    "js.js",
-    "jsx.js",
-    "ts.js",
-    "tsx.js"
+    "src/*"
   ],
   "keywords": [
     "eslint",
@@ -56,6 +52,7 @@
     }
   },
   "dependencies": {
+    "@potloc/spready": "^1.0.0",
     "@typescript-eslint/eslint-plugin": "^5.33.0",
     "@typescript-eslint/parser": "^5.33.0",
     "confusing-browser-globals": "^1.0.11",

samples/all/.eslintrc.js

@@ -1,4 +1,10 @@
-module.exports = {
-  root: true,
-  extends: require.resolve("../../index"),
-};
+const easelint = require("../../index");
+
+module.exports = easelint({
+  javascript: true,
+  typescript: true,
+  jsxPragma: "react",
+  eslint: {
+    root: true,
+  },
+});

samples/js/.eslintrc.js

@@ -1,4 +1,8 @@
-module.exports = {
-  root: true,
-  extends: require.resolve("../../js"),
-};
+const easelint = require("../../index");
+
+module.exports = easelint({
+  javascript: true,
+  eslint: {
+    root: true,
+  },
+});

samples/jsx/.eslintrc.js

@@ -1,4 +1,9 @@
-module.exports = {
-  root: true,
-  extends: require.resolve("../../jsx"),
-};
+const easelint = require("../../index");
+
+module.exports = easelint({
+  javascript: true,
+  jsxPragma: "react",
+  eslint: {
+    root: true,
+  },
+});

samples/ts/.eslintrc.js

@@ -1,4 +1,8 @@
-module.exports = {
-  root: true,
-  extends: require.resolve("../../ts")
-};
+const easelint = require("../../index");
+
+module.exports = easelint({
+  typescript: true,
+  eslint: {
+    root: true,
+  },
+});

samples/tsx/.eslintrc.js

@@ -1,4 +1,9 @@
-module.exports = {
-  root: true,
-  extends: require.resolve("../../tsx")
-};
+const easelint = require("../../index");
+
+module.exports = easelint({
+  typescript: true,
+  jsxPragma: "react",
+  eslint: {
+    root: true,
+  },
+});

internal/base.js → src/internal/base.js

@@ -1,7 +1,7 @@
 module.exports = {
   env: {
     browser: true,
-    es2021: true,
+    es2022: true,
   },
   parserOptions: {
     ecmaVersion: "latest",