“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;