Return error if query exceeds 255 char

packages/api/src/generated/graphql.ts

@@ -2223,6 +2223,7 @@ export type SearchError = {
 };
 
 export enum SearchErrorCode {
+  QueryTooLong = 'QUERY_TOO_LONG',
   Unauthorized = 'UNAUTHORIZED'
 }
 

packages/api/src/generated/schema.graphql

@@ -1623,6 +1623,7 @@ type SearchError {
 }
 
 enum SearchErrorCode {
+  QUERY_TOO_LONG
   UNAUTHORIZED
 }
 

packages/api/src/resolvers/article/index.ts

@@ -53,6 +53,7 @@ import {
   SaveArticleReadingProgressErrorCode,
   SaveArticleReadingProgressSuccess,
   SearchError,
+  SearchErrorCode,
   SearchItem,
   SearchSuccess,
   SetBookmarkArticleError,
@@ -873,6 +874,11 @@ export const searchResolver = authorized<
   const startCursor = params.after || ''
   const first = params.first || 10
 
+  // the query size is limited to 255 characters
+  if (params.query && params.query.length > 255) {
+    return { errorCodes: [SearchErrorCode.QueryTooLong] }
+  }
+
   const searchQuery = parseSearchQuery(params.query || undefined)
 
   analytics.track({

packages/api/src/schema.ts

@@ -1587,6 +1587,7 @@ const schema = gql`
 
   enum SearchErrorCode {
     UNAUTHORIZED
+    QUERY_TOO_LONG
   }
 
   type SearchError {