npm.devtool.tech
👏 You can access command-exists package with using commandExists variable in browser devtools!
check whether a command line command exists in the current environment

code/package/bundle size

0B
publish
0B
install
0B
bundle minified
0B
bundle gzipped

command-exists

node module to check if a command-line command exists

installation

npm install command-exists

usage

async

var commandExists = require('command-exists');

commandExists('ls', function(err, commandExists) {

    if(commandExists) {
        // proceed confidently knowing this command is available
    }

});

promise

var commandExists = require('command-exists');

// invoked without a callback, it returns a promise
commandExists('ls')
.then(function(command){
    // proceed
}).catch(function(){
    // command doesn't exist
});

sync

var commandExistsSync = require('command-exists').sync;
// returns true/false; doesn't throw
if (commandExistsSync('ls')) {
    // proceed
} else {
    // ...
}

changelog

v1.2.7

Removes unnecessary printed output on windows.

v1.2.6

Small bugfixes.

v1.2.5

Fix windows bug introduced in 1.2.4.

v1.2.4

Fix potential security issue.

v1.2.0

Add support for promises

v1.1.0

Add synchronous version

v1.0.2

Support for windows

🔎Explore Package🔎CDN Script

Score

Popularity41/100
Quality86/100
Maintenance100/100