react-native/packager/launchEditor.js

53 lines
1.5 KiB
JavaScript

/**
* 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.
*/
'use strict';
var chalk = require('chalk');
var fs = require('fs');
var exec = require('child_process').exec;
function printInstructions(title) {
console.log([
'',
chalk.bgBlue.white.bold(' ' + title + ' '),
' 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.',
''
].join('\n'));
}
function launchEditor(fileName, lineNumber) {
if (!fs.existsSync(fileName)) {
return;
}
var argument = fileName;
if (lineNumber) {
argument += ':' + lineNumber;
}
var editor = process.env.REACT_EDITOR || process.env.EDITOR;
if (editor) {
console.log('Opening ' + chalk.underline(fileName) + ' with ' + chalk.bold(editor));
exec(editor + ' ' + argument, function(error) {
if (error) {
console.log(chalk.red(error.message));
printInstructions('How to fix');
}
});
} else {
printInstructions('PRO TIP');
}
}
module.exports = launchEditor;