# which-promise [![NPM version](https://img.shields.io/npm/v/which-promise.svg)](https://www.npmjs.com/package/which-promise) [![Build Status](https://travis-ci.org/shinnn/which-promise.svg?branch=master)](https://travis-ci.org/shinnn/which-promise) [![Build status](https://ci.appveyor.com/api/projects/status/rru70vrrm83s9ddj?svg=true)](https://ci.appveyor.com/project/ShinnosukeWatanabe/which-promise) [![Coverage Status](https://img.shields.io/coveralls/shinnn/which-promise.svg)](https://coveralls.io/r/shinnn/which-promise) [![Dependency Status](https://img.shields.io/david/shinnn/which-promise.svg?label=deps)](https://david-dm.org/shinnn/which-promise) [![devDependency Status](https://img.shields.io/david/dev/shinnn/which-promise.svg?label=devDeps)](https://david-dm.org/shinnn/which-promise#info=devDependencies) [Promisified](https://promise-nuggets.github.io/articles/07-wrapping-callback-functions.html) version of [node-which](https://github.com/npm/node-which): > Finds the first instance of a specified executable in the PATH environment variable. ```javascript const whichPromise = require('which-promise'); whichPromise('ls').then(resolvedPath => { resolvedPath; //=> '/bin/ls' }); whichPromise('ls', {path: './'}).catch(err => { err.message; //=> 'not found: ls' }); ``` ## Installation [Use npm.](https://docs.npmjs.com/cli/install) ``` npm install which-promise ``` ## API ```javascript const whichPromise = require('which-promise'); ``` ### whichPromise(*cmd* [, *options*]) *cmd*: `String` (directly passed to node-which's first argument) *options*: `Object` (used as node-which [options](https://github.com/npm/node-which/blob/5d832a3d32b21a7f110771a3c14d5e8ee90d6706/which.js#L40)) Return: `Object` ([Promise](https://promisesaplus.com/)) ## License [The Unlicense](./LICENSE)