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error-handler.js
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/**
* Copyright 2015 IBM Corp. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* eslint no-unused-vars: "off" */
'use strict';
module.exports = function(app) {
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.code = 404;
err.message = 'Not Found';
next(err);
});
// error handler
app.use(function(err, req, res, next) {
var error = {
code: err.code || 500,
error: err.error || err.message
};
res.status(error.code).json(error);
});
};