Fix #436: Saving emojis per batch, to avoid hitting max payload limit.

shared/lib/emojis.ts

@@ -2,6 +2,9 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-only
 
+// Note: API request body size is limited to 100Kb (expressjs body-parser defaut limit, and Peertube nginx config).
+// So we must be sure to never send more than 100Kb. The front end sends new emojis by batch, but maxSize must remain
+// as little as possible, so that we never reach 100Kb in JSON/base64 format.
 export const maxSize: number = 30 * 1024
 export const allowedExtensions = ['png', 'jpg', 'jpeg', 'gif']
 export const inputFileAccept = ['image/jpg', 'image/png', 'image/gif']