build/modules/asyncify.js


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'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = asyncify;

var _isObject = require('../../deps/lodash-es/lang/isObject');

var _isObject2 = _interopRequireDefault(_isObject);

var _rest = require('../../deps/lodash-es/function/rest');

var _rest2 = _interopRequireDefault(_rest);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function asyncify(func) {
    return (0, _rest2.default)(function (args) {
        var callback = args.pop();
        var result;
        try {
            result = func.apply(this, args);
        } catch (e) {
            return callback(e);
        }
        // if result is Promise object
        if ((0, _isObject2.default)(result) && typeof result.then === 'function') {
            result.then(function (value) {
                callback(null, value);
            })['catch'](function (err) {
                callback(err.message ? err : new Error(err));
            });
        } else {
            callback(null, result);
        }
    });
}