# replace-ext [![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][travis-image]][travis-url] [![AppVeyor Build Status][appveyor-image]][appveyor-url] [![Coveralls Status][coveralls-image]][coveralls-url] [![Gitter chat][gitter-image]][gitter-url] Replaces a file extension with another one. ## Usage ```js var replaceExt = require('replace-ext'); var path = '/some/dir/file.js'; var newPath = replaceExt(path, '.coffee'); console.log(newPath); // /some/dir/file.coffee ``` ## API ### `replaceExt(path, extension)` Replaces the extension from `path` with `extension` and returns the updated path string. Does not replace the extension if `path` is not a string or is empty. ## License MIT [downloads-image]: http://img.shields.io/npm/dm/replace-ext.svg [npm-url]: https://www.npmjs.com/package/replace-ext [npm-image]: http://img.shields.io/npm/v/replace-ext.svg [travis-url]: https://travis-ci.org/gulpjs/replace-ext [travis-image]: http://img.shields.io/travis/gulpjs/replace-ext.svg?label=travis-ci [appveyor-url]: https://ci.appveyor.com/project/gulpjs/replace-ext [appveyor-image]: https://img.shields.io/appveyor/ci/gulpjs/replace-ext.svg?label=appveyor [coveralls-url]: https://coveralls.io/r/gulpjs/replace-ext [coveralls-image]: http://img.shields.io/coveralls/gulpjs/replace-ext/master.svg [gitter-url]: https://gitter.im/gulpjs/gulp [gitter-image]: https://badges.gitter.im/gulpjs/gulp.svg