Update root to use a fla eslint config

config/grunt/custom-tasks/sync-gutenberg-version.js

@@ -10,7 +10,7 @@ module.exports = function( grunt ) {
 	 *
 	 * @returns {void}
 	 */
-	 function setVersion( file, pattern, version ) {
+	function setVersion( file, pattern, version ) {
 		const contents = grunt.file.read( file ).replace(
 			pattern,
 			version

eslint.config.mjs

@@ -0,0 +1,37 @@
+import globals from "globals";
+import yoastConfig from "eslint-config-yoast";
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+	{ ignores: [ "js/dist", "packages", "apps", "artifact", "vendor", "vendor_prefixed", ".yarn" ] },
+	...yoastConfig,
+	{
+		languageOptions: {
+			ecmaVersion: "latest",
+			globals: {
+				...globals.browser,
+			},
+		},
+		rules: {
+			// Deviate from the Yoast config to prohibit dangling commas in functions.
+			"stylistic/comma-dangle": [
+				"error",
+				{
+					functions: "never",
+					arrays: "always-multiline",
+					objects: "always-multiline",
+					imports: "always-multiline",
+					exports: "always-multiline",
+				},
+			],
+		},
+	},
+	{
+		files: [ "*.config.js", "config/**", "Gruntfile.js" ],
+		languageOptions: {
+			globals: {
+				...globals.node,
+			},
+		},
+	},
+];

package.json

@@ -57,9 +57,7 @@
     "dotenv": "^8.2.0",
     "eslint": "^8.57.0",
     "eslint-config-yoast": "^6.0.0",
-    "eslint-plugin-import": "^2.29.1",
-    "eslint-plugin-jsx-a11y": "^6.8.0",
-    "eslint-plugin-react": "^7.34.1",
+    "globals": "^15.13.0",
     "grunt-git": "^1.0.14",
     "grunt-prompt": "^1.3.3",
     "grunt-shell": "^3.0.1",