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Auto-detect running editor on Linux for error overlay #3077

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merged 5 commits into from
Sep 11, 2017
Merged

Auto-detect running editor on Linux for error overlay #3077

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64a6ed7
Auto-detect running editor on Linux for error overlay
gulderov Sep 6, 2017
992104c
Comments fixed.
gulderov Sep 7, 2017
9456669
List all processes owned by you
gulderov Sep 7, 2017
9197752
Comment rewording
gulderov Sep 11, 2017
e023800
Merge branch 'master' into auto-detect-editor-linux
gulderov Sep 11, 2017
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33 changes: 31 additions & 2 deletions packages/react-dev-utils/launchEditor.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,20 @@ const COMMON_EDITORS_OSX = {
'/Applications/WebStorm.app/Contents/MacOS/webstorm',
};

const COMMON_EDITORS_LINUX = {
atom: 'atom',
Brackets: 'brackets',
code: 'code',
emacs: 'emacs',
'idea.sh': 'idea',
'phpstorm.sh': 'phpstorm',
'pycharm.sh': 'pycharm',
'rubymine.sh': 'rubymine',
sublime_text: 'sublime_text',
vim: 'vim',
'webstorm.sh': 'webstorm',
};

const COMMON_EDITORS_WIN = [
'Brackets.exe',
'Code.exe',
Expand Down Expand Up @@ -144,8 +158,9 @@ function guessEditor() {
return shellQuote.parse(process.env.REACT_EDITOR);
}

// Using `ps x` on OSX or `Get-Process` on Windows we can find out which editor is currently running.
// Potentially we could use similar technique for Linux
// We can find out which editor is currently running by:
// `ps x` on macOS and Linux
// `Get-Process` on Windows
try {
if (process.platform === 'darwin') {
const output = child_process.execSync('ps x').toString();
Expand Down Expand Up @@ -176,6 +191,20 @@ function guessEditor() {
return [fullProcessPath];
}
}
} else if (process.platform === 'linux') {
// --no-heading No header line
// x List all processes owned by you
// -o comm Need only names column
const output = child_process
.execSync('ps x --no-heading -o comm --sort=comm')
.toString();
const processNames = Object.keys(COMMON_EDITORS_LINUX);
for (let i = 0; i < processNames.length; i++) {
const processName = processNames[i];
if (output.indexOf(processName) !== -1) {
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Should we worry about a process which is named like, mycode or something matching code?
Can we make sure it's delimited/a whole word?

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We'd probably want to apply this logic to macOS, too.
Not sure if you have a macOS box so we could do this in a separate PR.

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@gulderov gulderov Sep 7, 2017 •
edited
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I am not sure. processNames under our control. ps -o comm output looks nice. It show

command name (only the executable name). Modifications to the command name will not be shown. A process marked <defunct> is partly dead, waiting to be fully destroyed by its parent. The output in this column may contain spaces. (alias ucmd, ucomm). See also the args format keyword, the -f option, and the c option.

in list like:

kworker/u8:3
led_workqueue
lightdm

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We can worry about it later. 😄

return [COMMON_EDITORS_LINUX[processName]];
}
}
}
} catch (error) {
// Ignore...
Expand Down