Merge pull request #29485 from overleaf/mfb-from-joi-to-zod-clsi-cache-revert

Reapply "migrate from joi to zod CLSI-CACHE service"

GitOrigin-RevId: 638b9e21b8cf18c1733f8a01375dab4099fe5d73

libraries/validation-tools/handleValidationError.js

@@ -0,0 +1,17 @@
+const { isZodErrorLike, fromError } = require('zod-validation-error')
+/**
+ * @typedef {import('express').ErrorRequestHandler} ErrorRequestHandler
+ */
+
+const handleValidationError = [
+  /** @type {ErrorRequestHandler} */
+  (err, req, res, next) => {
+    if (!isZodErrorLike(err)) {
+      return next(err)
+    }
+
+    res.status(400).json({ ...fromError(err), statusCode: 400 })
+  },
+]
+
+module.exports = { handleValidationError }