Merge pull request #3948 from NativeScript/fatme/limit-app-size

chore: show warning when files to upload exceed the maximum allowed size of 15MB

Author: Fatme

lib/services/livesync/playground/preview-sdk-service.ts

@@ -3,6 +3,7 @@ import { PubnubKeys } from "./preview-app-constants";
 const pako = require("pako");
 
 export class PreviewSdkService implements IPreviewSdkService {
+	private static MAX_FILES_UPLOAD_BYTE_LENGTH = 30000;
 	private messagingService: MessagingService = null;
 	private instanceId: string = null;
 	public connectedDevices: Device[] = [];
@@ -75,6 +76,11 @@ export class PreviewSdkService implements IPreviewSdkService {
 			onSendingChange: (sending: boolean) => ({ }),
 			onBiggerFilesUpload: async (filesContent, callback) => {
 				const gzippedContent = Buffer.from(pako.gzip(filesContent));
+				const byteLength = gzippedContent.byteLength;
+				if (byteLength > PreviewSdkService.MAX_FILES_UPLOAD_BYTE_LENGTH) {
+					this.$logger.warn("The files to upload exceed the maximum allowed size of 15MB. Your app might not work as expected.");
+				}
+
 				const playgroundUploadResponse = await this.$httpClient.httpRequest({
 					url: this.$config.UPLOAD_PLAYGROUND_FILES_ENDPOINT,
 					method: "POST",