1 | "use strict";
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2 | var util = require("./util");
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3 | var maybeWrapAsError = util.maybeWrapAsError;
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4 | var errors = require("./errors");
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5 | var OperationalError = errors.OperationalError;
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6 | var es5 = require("./es5");
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7 |
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8 | function isUntypedError(obj) {
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9 | return obj instanceof Error &&
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10 | es5.getPrototypeOf(obj) === Error.prototype;
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11 | }
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12 |
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13 | var rErrorKey = /^(?:name|message|stack|cause)$/;
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14 | function wrapAsOperationalError(obj) {
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15 | var ret;
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16 | if (isUntypedError(obj)) {
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17 | ret = new OperationalError(obj);
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18 | ret.name = obj.name;
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19 | ret.message = obj.message;
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20 | ret.stack = obj.stack;
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21 | var keys = es5.keys(obj);
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22 | for (var i = 0; i < keys.length; ++i) {
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23 | var key = keys[i];
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24 | if (!rErrorKey.test(key)) {
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25 | ret[key] = obj[key];
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26 | }
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27 | }
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28 | return ret;
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29 | }
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30 | util.markAsOriginatingFromRejection(obj);
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31 | return obj;
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32 | }
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33 |
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34 | function nodebackForPromise(promise, multiArgs) {
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35 | return function(err, value) {
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36 | if (promise === null) return;
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37 | if (err) {
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38 | var wrapped = wrapAsOperationalError(maybeWrapAsError(err));
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39 | promise._attachExtraTrace(wrapped);
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40 | promise._reject(wrapped);
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41 | } else if (!multiArgs) {
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42 | promise._fulfill(value);
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43 | } else {
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44 | 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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45 | promise._fulfill(args);
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46 | }
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47 | promise = null;
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48 | };
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49 | }
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50 |
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51 | module.exports = nodebackForPromise;
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