javascript - electron-packager spawn ENOENT - Stack Overflow

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I'm working on an electron app that controls gulp tasks via gui. You click on a task and it runs. Pretty simple stuff. On macOS, when I run npm start it runs just fine, but when I package it with electron-packager, I get this error:

Uncaught Exception:
Error: spawn gulp ENOENT
    at exports._errnoException (util.js:1022:11)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:193:32)
    at onErrorNT (internal/child_process.js:359:16)
    at _binedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)

This is the code:

exports.runTask = (taskName, projPath) => {
    const cp = spawn('gulp', [ taskName ], {cwd: projPath});
    cp.stdout.setEncoding('utf8');
    cp.stdout.on('data', data => {
        console.log(data);
        mainWindow.webContents.send('task-console-data', data);
    });

    cp.stderr.setEncoding('utf8');
    cp.stderr.on('data', data => {
        console.error(data);
        displayNotification({text: `[error] ${data}`});
        mainWindow.webContents.send('task-console-data', `[error] ${data}`);
    });

    cp.on('exit', code => {
        if (code === 0) {
          displayNotification({
            title: 'gulp',
            subtitle: 'Finished running tasks'
          });
        } else if ( !code || code === null ) {
            return;
        } else {
            console.error(`Exited with error code ${code}`);

            displayNotification({
                title: 'gulp',
                subtitle: `Exited with error code ${code}`,
                sound: 'Basso'
            });
        }
    });
};

I'm working on an electron app that controls gulp tasks via gui. You click on a task and it runs. Pretty simple stuff. On macOS, when I run npm start it runs just fine, but when I package it with electron-packager, I get this error:

Uncaught Exception:
Error: spawn gulp ENOENT
    at exports._errnoException (util.js:1022:11)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:193:32)
    at onErrorNT (internal/child_process.js:359:16)
    at _binedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)

This is the code:

exports.runTask = (taskName, projPath) => {
    const cp = spawn('gulp', [ taskName ], {cwd: projPath});
    cp.stdout.setEncoding('utf8');
    cp.stdout.on('data', data => {
        console.log(data);
        mainWindow.webContents.send('task-console-data', data);
    });

    cp.stderr.setEncoding('utf8');
    cp.stderr.on('data', data => {
        console.error(data);
        displayNotification({text: `[error] ${data}`});
        mainWindow.webContents.send('task-console-data', `[error] ${data}`);
    });

    cp.on('exit', code => {
        if (code === 0) {
          displayNotification({
            title: 'gulp',
            subtitle: 'Finished running tasks'
          });
        } else if ( !code || code === null ) {
            return;
        } else {
            console.error(`Exited with error code ${code}`);

            displayNotification({
                title: 'gulp',
                subtitle: `Exited with error code ${code}`,
                sound: 'Basso'
            });
        }
    });
};

• javascript
• electron
• spawn
• enoent
• electron-packager

Share Improve this question Follow asked Jul 17, 2017 at 16:16 Dino MorrisonDino Morrison 10722 silver badges88 bronze badges

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2 Answers 2

Sorted by: Reset to default 4

In case anyone else is running into this problem, the answer is to correct the $PATH. There is a package on npm that does this for you.

https://www.npmjs./package/fix-path

You should forward the process.env.PATH to the spawn options because the child process environment variables is overriding in options.env. So the OS don't know exactly where to look your mand gulp.

So you can do this:

const cp = spawn('gulp', [ taskName ], {
    cwd: projPath,
    env: {
        PATH: process.env.PATH,
    },
});

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