metro/launchEditor.js

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2015-01-30 01:10:49 +00:00
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
2015-01-30 01:10:49 +00:00
*/
'use strict';
var fs = require('fs');
var spawn = require('child_process').spawn;
var firstLaunch = true;
function guessEditor() {
if (firstLaunch) {
console.log('When you see Red Box with stack trace, you can click any ' +
'stack frame to jump to the source file. The packager will launch your ' +
'editor of choice. It will first look at REACT_EDITOR environment ' +
'variable, then at EDITOR. To set it up, you can add something like ' +
'REACT_EDITOR=atom to your .bashrc.');
firstLaunch = false;
}
var editor = process.env.REACT_EDITOR || process.env.EDITOR || 'subl';
return editor;
}
function launchEditor(fileName, lineNumber) {
if (!fs.existsSync(fileName)) {
return;
}
var argument = fileName;
if (lineNumber) {
argument += ':' + lineNumber;
}
var editor = guessEditor();
console.log('Opening ' + fileName + ' with ' + editor);
spawn(editor, [argument], { stdio: ['pipe', 'pipe', process.stderr] });
}
module.exports = launchEditor;