react-native/local-cli/server/middleware/systraceProfileMiddleware.js
Héctor Ramos 1151c096da Update copyright headers to yearless format
Summary: This change drops the year from the copyright headers and the LICENSE file.

Reviewed By: yungsters

Differential Revision: D9727774

fbshipit-source-id: df4fc1e4390733fe774b1a160dd41b4a3d83302a
2018-09-11 15:33:07 -07:00

33 lines
847 B
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
'use strict';
const fs = require('fs');
module.exports = function(req, res, next) {
if (req.url !== '/systrace') {
next();
return;
}
console.log('Dumping profile information...');
var dumpName = '/tmp/dump_' + Date.now() + '.json';
fs.writeFileSync(dumpName, req.rawBody);
var response =
'Your profile was saved at:\n' +
dumpName +
'\n\n' +
'On Google Chrome navigate to chrome://tracing and then click on "load" ' +
'to load and visualise your profile.\n\n' +
'This message is also printed to your console by the packager so you can copy it :)';
console.log(response);
res.end(response);
};