NPM script containing parentheses syntax error

Question

I have the following NPM script in my package.json:

{
  "scripts": {
     "lint": "tslint -c tslint.json src/**/**?(.test).ts?(x)"
  }
}

And after I run npm run lint I get the following error:

> tslint -c tslint.json src/**/**?(.test).ts?(x)

sh: -c: line 0: syntax error near unexpected token `('
sh: -c: line 0: `tslint -c tslint.json src/**/**?(.test).ts?(x)'

It seems that I cannot use the character ( in my NPM script. How can I come around this? The script is a valid bash script.

I tried searching the issue but I couldn't find anything helpful.

Any help is appreciated.

Kind thanks!

Update:

It seems that running this command in my terminal (macOS) like so:

bash -c "tslint -c tslint.json src/**/**?(.test).ts?(x)"

I get the exact same error.

however if I run it like this:

bash -c "tslint -c tslint.json src/**/**?\(.test\).ts?\(x\)"

it seems to work in the terminal. But not in a NPM script.

Got it to work like so:

{
   "scripts": {
      "lint": "bash -c \"tslint -c tslint.json 'src/**/**?(.test).ts?(x)'\"",
   }
}

or the more simpler version

{
   "scripts": {
      "lint": "tslint -c tslint.json 'src/**/**?(.test).ts?(x)'",
    }
}

Credits go to @shellter.

Maybe try to escape it like so: tslint -c tslint.json src/**/**?\(.test\).ts?\(x\) — TGrif
– TGrif, Commented Dec 18, 2017 at 15:01
tried it... still getting the error. I also tried with bash -c "tslint -c tslint.json src/**/**?(.test).ts?(x)" with and without escaping. — Andrei CACIO
– Andrei CACIO, Commented Dec 18, 2017 at 15:03
how about bash -c "tslint -c tslint.json 'src/**/**?(.test).ts?(x)' " ? (note the single-quote surrounding the problematic pattern (you may want/need to remove the space between ' and " that I included for visibility) ). Good luck. — shellter
– shellter, Commented Dec 18, 2017 at 15:21
yes, thanks @shellter, that was it!. I posted an update with the final fix. — Andrei CACIO
– Andrei CACIO, Commented Dec 19, 2017 at 6:10
I couldnt get my bash scripts to work with npm, using the bash -c prefix helped. Is it because npm run is using node runtime? — qodeninja
– qodeninja, Commented Jun 17, 2018 at 18:41

Philipp Wrann · Accepted Answer · 2017-12-19 19:25:06Z

2

I once wrote this script to make a basic syntax check on my javascript files:

#!/usr/bin/env bash
if [ -x "$(command -v parallel)" ]; then
    find src/js -name "*.js" | parallel --no-notice --jobs 4 --gnu nodejs -c
else
    find src/js -name "*.js" | xargs -L1 -d '\n' nodejs -c
fi

This will lint every javascript file within src/js and utilize parallel if available. If you have a cpu with more threads, you might want to increase the jobs parameter to match your threads-count.

I hope this is of some help to you

edited Dec 19, 2017 at 19:25

answered Dec 18, 2017 at 15:48

Philipp Wrann

1,8453 gold badges22 silver badges31 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

NPM script containing parentheses syntax error

1 Answer 1

Comments

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Related