feat: add new eslint config.

.eslintrc.json

@@ -31,4 +31,4 @@
 		"ecmaVersion": 13,
 		"sourceType": "module"
 	}
-}
+}

eslint.config.mjs

@@ -0,0 +1,39 @@
+import js from "@eslint/js";
+import globals from "globals";
+
+export default [
+	js.configs.recommended,
+	{
+		rules: {
+			"no-console": 0,
+			"no-constant-condition": [
+				"error",
+				{
+					checkLoops: false,
+				},
+			],
+			"no-irregular-whitespace": [
+				"error",
+				{
+					skipStrings: true,
+					skipTemplates: true,
+				},
+			],
+			"no-redeclare": 0,
+			"no-undef": 0,
+			"no-unused-vars": 0,
+			"require-yield": 0,
+		},
+		languageOptions: {
+			ecmaVersion: 13,
+			sourceType: "module",
+			globals: {
+				...globals.browser,
+				...globals.es2015,
+				...globals.node,
+				...globals.serviceworker,
+				...globals.worker,
+			},
+		},
+	},
+];