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52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
6 years ago
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"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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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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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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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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module.exports = nodebackForPromise;
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