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- "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;
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