fix(ios): force release of nsdata after saving image (NativeScript#9177)

triniwiz · web-flow · commit e002d72d41b7 · 2021-01-26T13:25:58.000-08:00
gc isn't cleaning up this fast enough when used in a loop e.g NativeScript/plugins#71
diff --git a/packages/core/image-source/index.ios.ts b/packages/core/image-source/index.ios.ts
@@ -7,7 +7,7 @@ import { Color } from '../color';
 
 // Types.
 import { path as fsPath, knownFolders } from '../file-system';
-import { isFileOrResourcePath, RESOURCE_PREFIX, layout } from '../utils';
+import { isFileOrResourcePath, RESOURCE_PREFIX, layout, releaseNativeObject } from '../utils';
 
 import { getScaledDimensions } from './image-source-common';
 
@@ -311,7 +311,10 @@ export class ImageSource implements ImageSourceDefinition {
 
 		const data = getImageData(this.ios, format, quality);
 		if (data) {
-			return NSFileManager.defaultManager.createFileAtPathContentsAttributes(path, data, null);
+			const result = NSFileManager.defaultManager.createFileAtPathContentsAttributes(path, data, null);
+			// release native memory earlier
+			releaseNativeObject(data);
+			return result;
 		}
 
 		return false;
