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