react-native/Libraries/Utilities/logError.js

27 lines
756 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule logError
* @flow
*/
'use strict';
/**
* Small utility that can be used as an error handler. You cannot just pass
* `console.error` as a failure callback - it's not properly bound. If passes an
* `Error` object, it will print the message and stack.
*/
var logError = function(...args: $ReadOnlyArray<mixed>) {
if (args.length === 1 && args[0] instanceof Error) {
var err = args[0];
console.error('Error: "' + err.message + '". Stack:\n' + err.stack);
} else {
console.error.apply(console, args);
}
};
module.exports = logError;