fails

Detect whether a command fails, and invert exit code.

Install

npm i fails

or

yarn add fails

Use

CLI

fails "echo 'hi'"
# exit code = 1

fails "exit 1"
# exit code = 0

JS

var fails = require('fails')

var command = 'echo "hi"'

function callback (failed) {
  // `failed` is true or false
}

fails(command, callback)