execa

execa

A better child_process.{execFile,exec}

Why

• Promise interface.
• Strips EOF from the output so you don't have to stdout.trim().
• Supports shebang binaries cross-platform.
• Improved Windows support.
• Higher max buffer. 10 MB instead of 200 KB.

Install

$ npm install --save execa

Usage

const execa = require('execa');

execa('echo', ['unicorns']).then(result => {
	console.log(result.stdout);
	//=> 'unicorns'
});

execa.shell('echo unicorns').then(result => {
	console.log(result.stdout);
	//=> 'unicorns'
});

API

execa(file, [arguments], [options])

Execute a file directly.

Same options as child_process.execFile.

Returns a promise for a result object with stdout and stderr properties.

execa.shell(command, [options])

Execute a command through the system shell. Prefer execa() whenever possible, as it's both faster and safer.

Same options as child_process.exec.

Returns a promise for a result object with stdout and stderr properties.

options

Additional exposed options:

stripEof

Type: boolean
Default: true

Strip EOF (last newline) from the output.

License

MIT © Sindre Sorhus

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