forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			34 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* This Source Code Form is subject to the terms of the Mozilla Public
 | |
|  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 | |
|  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 | |
| 
 | |
| /* globals log, browser */
 | |
| 
 | |
| "use strict";
 | |
| 
 | |
| this.callBackground = function callBackground(funcName, ...args) {
 | |
|   return browser.runtime.sendMessage({ funcName, args }).then(result => {
 | |
|     if (result && result.type === "success") {
 | |
|       return result.value;
 | |
|     } else if (result && result.type === "error") {
 | |
|       const exc = new Error(result.message || "Unknown error");
 | |
|       exc.name = "BackgroundError";
 | |
|       if ("errorCode" in result) {
 | |
|         exc.errorCode = result.errorCode;
 | |
|       }
 | |
|       if ("popupMessage" in result) {
 | |
|         exc.popupMessage = result.popupMessage;
 | |
|       }
 | |
|       throw exc;
 | |
|     } else {
 | |
|       log.error("Unexpected background result:", result);
 | |
|       const exc = new Error(
 | |
|         `Bad response type from background page: ${(result && result.type) ||
 | |
|           undefined}`
 | |
|       );
 | |
|       exc.resultType = result ? result.type || "undefined" : "undefined result";
 | |
|       throw exc;
 | |
|     }
 | |
|   });
 | |
| };
 | |
| null;
 | 
