feat: eslint 9 support (#627)

* feat!: eslint 9 support

Requires Node 18 (due to globals update)

* chore: update deps and devDeps.

.prettierignore

@@ -0,0 +1,3 @@
+.github
+CHANGELOG.md
+CODE_OF_CONDUCT.md

README.md

@@ -24,11 +24,9 @@ npm install eslint-plugin-compat
 #### New Config (`eslint.config.mjs`)
 
 ```js
-import compat from "eslint-plugin-compat"
+import compat from "eslint-plugin-compat";
 
-export default [
-  compat.configs['flat/recommended']
-];
+export default [compat.configs["flat/recommended"]];
 ```
 
 #### Legacy Config (`.eslintrc.json`)
@@ -38,8 +36,8 @@ export default [
   "plugins": ["compat"],
   "extends": ["plugin:compat/recommended"],
   "env": {
-    "browser": true
-  }
+    "browser": true,
+  },
   // ...
 }
 ```
@@ -53,7 +51,7 @@ Browser targets are configured using [browserslist](https://github.com/browsersl
 ```jsonc
 {
   // ...
-  "browserslist": ["defaults"]
+  "browserslist": ["defaults"],
 }
 ```
 
@@ -77,9 +75,9 @@ Add polyfills to the settings section of your eslint config. Append the name of
       // Example of API with no property (i.e. a function)
       "fetch",
       // Example of instance method, must add `.prototype.`
-      "Array.prototype.push"
-    ]
-  }
+      "Array.prototype.push",
+    ],
+  },
 }
 ```
 
@@ -91,8 +89,8 @@ This plugin also supports linting the compatibility of ES APIs in addition to We
 {
   // ...
   "settings": {
-    "lintAllEsApis": true
-  }
+    "lintAllEsApis": true,
+  },
 }
 ```
 
@@ -123,9 +121,9 @@ Target `modern` browserslist environment:
 {
   "settings": {
     "browserslistOpts": {
-      "env": "modern"
-    }
-  }
+      "env": "modern",
+    },
+  },
 }
 ```
 

docs/rules/compat.md

@@ -6,12 +6,12 @@ This rule enables linting your code for browser compatibility.
 
 ```js
 // Targeting IE
-fetch('https://exmaple.com');
+fetch("https://exmaple.com");
 ```
 
 ## This will not be reported
 
 ```js
 // Using default browser targets
-fetch('https://exmaple.com');
+fetch("https://exmaple.com");
 ```

eslint.config.mjs

@@ -0,0 +1,50 @@
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+import { includeIgnoreFile } from "@eslint/compat";
+import eslint from "@eslint/js";
+import eslintPlugin from "eslint-plugin-eslint-plugin";
+import eslintConfigPrettier from "eslint-config-prettier";
+import tseslint from "typescript-eslint";
+import globals from "globals";
+import compat from "./lib/esm/src/index.js";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const gitignorePath = path.resolve(__dirname, ".gitignore");
+
+export default [
+  includeIgnoreFile(gitignorePath),
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  eslintPlugin.configs["flat/recommended"],
+  compat.configs["flat/recommended"],
+  eslintConfigPrettier,
+  {
+    files: ["**/*.ts", "**/*.js", "**/*.mjs"],
+    rules: {
+      "no-template-curly-in-string": ["error"],
+      "no-console": ["warn"],
+    },
+    languageOptions: {
+      globals: {
+        ...globals.jest,
+        ...globals.node,
+      },
+    },
+  },
+];
+
+/*
+    parserOptions: {
+      project: './tsconfig.json'
+    },
+    "extends": [
+      "airbnb-typescript/base",
+      "plugin:import/typescript",
+    ],
+    "rules": {
+      "import/extensions": "off",
+      "import/no-extraneous-dependencies": "off"
+    },
+*/