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Try to guess user's editor 

Summary: public

Currently works only on OSX and supports Sublime (2/3) and Atom.

The idea is to get the list of running processes and try to find some well-known
editors there.

Reviewed By: vjeux

Differential Revision: D2642865

fb-gh-sync-id: d346902662354b2f633651a9bc54368146133651
This commit is contained in:
Alex Kotliarskyi 2015-11-11 13:43:11 -08:00 committed by facebook-github-bot-2
parent 768e66bf33
commit a710eb3292
1 changed files with 46 additions and 7 deletions
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53
local-cli/server/util/launchEditor.js
View File

@ -10,7 +10,8 @@
var chalk = require('chalk');
var fs = require('fs');
var spawn = require('child_process').spawn;
var path = require('path');
var child_process = require('child_process');
function isTerminalEditor(editor) {
switch (editor) {
@ -22,8 +23,19 @@ function isTerminalEditor(editor) {
return false;
}
// Map from full process name to binary that starts the process
// We can't just re-use full process name, because it will spawn a new instance
// of the app every time
var COMMON_EDITORS = {
'/Applications/Atom.app/Contents/MacOS/Atom': 'atom',
'/Applications/Sublime Text.app/Contents/MacOS/Sublime Text':
'/Applications/Sublime Text.app/Contents/SharedSupport/bin/subl',
'/Applications/Sublime Text 2.app/Contents/MacOS/Sublime Text 2':
'/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl',
};
function getArgumentsForLineNumber(editor, fileName, lineNumber) {
switch (editor) {
switch (path.basename(editor)) {
case 'vim':
case 'mvim':
return [fileName, '+' + lineNumber];
@ -47,6 +59,33 @@ function getArgumentsForLineNumber(editor, fileName, lineNumber) {
return [fileName];
}
function guessEditor() {
// Explicit config always wins
if (process.env.REACT_EDITOR) {
return process.env.REACT_EDITOR;
}
// Using `ps x` on OSX we can find out which editor is currently running.
// Potentially we could use similar technique for Windows and Linux
if (process.platform === 'darwin') {
try {
var output = child_process.execSync('ps x').toString();
var processNames = Object.keys(COMMON_EDITORS);
for (var i = 0; i < processNames.length; i++) {
var processName = processNames[i];
if (output.indexOf(processName) !== -1) {
return COMMON_EDITORS[processName];
}
}
} catch(error) {
// Ignore...
}
}
// Last resort, use old skool env vars
return process.env.VISUAL || process.env.EDITOR;
}
function printInstructions(title) {
console.log([
'',
@ -55,8 +94,8 @@ function printInstructions(title) {
' 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 or export REACT_EDITOR=atom to your',
' ~/.zshrc depending on which shell you use.',
' export REACT_EDITOR=atom to your ~/.bashrc or ~/.zshrc depending on ',
' which shell you use.',
''
].join('\n'));
}
@ -67,7 +106,7 @@ function launchEditor(fileName, lineNumber) {
return;
}
var editor = process.env.REACT_EDITOR || process.env.EDITOR;
var editor = guessEditor();
if (!editor) {
printInstructions('PRO TIP');
return;
@ -86,7 +125,7 @@ function launchEditor(fileName, lineNumber) {
_childProcess.kill('SIGKILL');
}
_childProcess = spawn(editor, args, {stdio: 'inherit'});
_childProcess = child_process.spawn(editor, args, {stdio: 'inherit'});
_childProcess.on('exit', function(errorCode) {
_childProcess = null;
@ -99,7 +138,7 @@ function launchEditor(fileName, lineNumber) {
_childProcess.on('error', function(error) {
console.log(chalk.red(error.message));
printInstructions('How to fix:');
})
});
}
module.exports = launchEditor;