17 lines
		
	
	
		
			660 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			17 lines
		
	
	
		
			660 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * @license
							 | 
						||
| 
								 | 
							
								 * Copyright Google Inc. All Rights Reserved.
							 | 
						||
| 
								 | 
							
								 *
							 | 
						||
| 
								 | 
							
								 * Use of this source code is governed by an MIT-style license that can be
							 | 
						||
| 
								 | 
							
								 * found in the LICENSE file at https://angular.io/license
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								Zone.__load_patch('canvas', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
							 | 
						||
| 
								 | 
							
								  const HTMLCanvasElement = global['HTMLCanvasElement'];
							 | 
						||
| 
								 | 
							
								  if (typeof HTMLCanvasElement !== 'undefined' && HTMLCanvasElement.prototype &&
							 | 
						||
| 
								 | 
							
								      HTMLCanvasElement.prototype.toBlob) {
							 | 
						||
| 
								 | 
							
								    api.patchMacroTask(HTMLCanvasElement.prototype, 'toBlob', (self: any, args: any[]) => {
							 | 
						||
| 
								 | 
							
								      return {name: 'HTMLCanvasElement.toBlob', target: self, cbIdx: 0, args: args};
							 | 
						||
| 
								 | 
							
								    });
							 | 
						||
| 
								 | 
							
								  }
							 | 
						||
| 
								 | 
							
								});
							 |