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					52 lines
				
				1.5 KiB
			
		
		
			
		
	
	
					52 lines
				
				1.5 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | var util = require("./util"); | ||
|  | var maybeWrapAsError = util.maybeWrapAsError; | ||
|  | var errors = require("./errors"); | ||
|  | var OperationalError = errors.OperationalError; | ||
|  | var es5 = require("./es5"); | ||
|  | 
 | ||
|  | function isUntypedError(obj) { | ||
|  |     return obj instanceof Error && | ||
|  |         es5.getPrototypeOf(obj) === Error.prototype; | ||
|  | } | ||
|  | 
 | ||
|  | var rErrorKey = /^(?:name|message|stack|cause)$/; | ||
|  | function wrapAsOperationalError(obj) { | ||
|  |     var ret; | ||
|  |     if (isUntypedError(obj)) { | ||
|  |         ret = new OperationalError(obj); | ||
|  |         ret.name = obj.name; | ||
|  |         ret.message = obj.message; | ||
|  |         ret.stack = obj.stack; | ||
|  |         var keys = es5.keys(obj); | ||
|  |         for (var i = 0; i < keys.length; ++i) { | ||
|  |             var key = keys[i]; | ||
|  |             if (!rErrorKey.test(key)) { | ||
|  |                 ret[key] = obj[key]; | ||
|  |             } | ||
|  |         } | ||
|  |         return ret; | ||
|  |     } | ||
|  |     util.markAsOriginatingFromRejection(obj); | ||
|  |     return obj; | ||
|  | } | ||
|  | 
 | ||
|  | function nodebackForPromise(promise, multiArgs) { | ||
|  |     return function(err, value) { | ||
|  |         if (promise === null) return; | ||
|  |         if (err) { | ||
|  |             var wrapped = wrapAsOperationalError(maybeWrapAsError(err)); | ||
|  |             promise._attachExtraTrace(wrapped); | ||
|  |             promise._reject(wrapped); | ||
|  |         } else if (!multiArgs) { | ||
|  |             promise._fulfill(value); | ||
|  |         } else { | ||
|  |             var $_len = arguments.length;var args = new Array(Math.max($_len - 1, 0)); for(var $_i = 1; $_i < $_len; ++$_i) {args[$_i - 1] = arguments[$_i];}; | ||
|  |             promise._fulfill(args); | ||
|  |         } | ||
|  |         promise = null; | ||
|  |     }; | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = nodebackForPromise; |