web: Flesh out configs. (#13801)

packages/monorepo/paths.js

@@ -0,0 +1,30 @@
+import { createRequire } from "node:module";
+import { dirname, join, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+/**
+ * @typedef {'~authentik'} MonoRepoRoot
+ */
+
+/**
+ * The root of the authentik monorepo.
+ */
+export const MonoRepoRoot = /** @type {MonoRepoRoot} */ (resolve(__dirname, "..", ".."));
+
+const require = createRequire(import.meta.url);
+
+/**
+ * Resolve a package name to its location in the monorepo to the single node_modules directory.
+ * @param {string} packageName
+ * @returns {string} The resolved path to the package.
+ * @throws {Error} If the package cannot be resolved.
+ */
+export function resolvePackage(packageName) {
+    const packageJSONPath = require.resolve(join(packageName, "package.json"), {
+        paths: [MonoRepoRoot],
+    });
+
+    return dirname(packageJSONPath);
+}