web: Flesh out configs. (#13801)

packages/prettier-config/format.js

@@ -0,0 +1,20 @@
+import { format } from "prettier";
+
+import { AuthentikPrettierConfig } from "./config.js";
+
+/**
+ * Format using Prettier.
+ *
+ * Defaults to using the TypeScript parser.
+ *
+ * @category Formatting
+ * @param {string} fileContents The contents of the file to format.
+ *
+ * @returns {Promise<string>} The formatted file contents.
+ */
+export function formatWithPrettier(fileContents) {
+    return format(fileContents, {
+        ...AuthentikPrettierConfig,
+        parser: "typescript",
+    });
+}