https://github.com/thomd/js-instant-eval

js(1) is a very simple shell script that watches and evaluates javascript using node or rhino javascript engine
https://github.com/thomd/js-instant-eval

Last synced: 7 months ago
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js(1) is a very simple shell script that watches and evaluates javascript using node or rhino javascript engine

• Host: GitHub
• URL: https://github.com/thomd/js-instant-eval
• Owner: thomd
• Created: 2014-09-21T14:47:57.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2016-03-22T21:33:50.000Z (about 10 years ago)
• Last Synced: 2025-10-21T18:44:12.322Z (8 months ago)
• Language: Shell
• Homepage:
• Size: 19.5 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# js-instant-eval

[![Build Status](https://travis-ci.org/thomd/js-instant-eval.png)](https://travis-ci.org/thomd/js-instant-eval)

`js(1)` is a shell script that **watches** and **evaluates** javascript using [node][1] or [rhino][2] javascript engine.

## Install

    brew install node

    brew install rhino

    make test

    make install

On `Cygwin` you need to set `CYGWIN=nodosfilewarning` in the global Windows environment (Control Panel > System > Advanced > Environment

Variables).

## Usage

Default javascript engine is node

    js script.js

    js --engine rhino script.js

## on ES6

`es(1)` is an experimental evaluation of ES6. Install [babel][3] and es2015 preset:

    npm i babel-cli babel-preset-es2015 babel-preset-react

    es script.js

[1]: http://nodejs.org/

[2]: https://developer.mozilla.org/de/docs/Rhino

[3]: https://babeljs.io/