https://github.com/namusyaka/jsh

Interactive interpreter for JavaScript which is written in Ruby.
https://github.com/namusyaka/jsh

Last synced: about 1 month ago
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Interactive interpreter for JavaScript which is written in Ruby.

• Host: GitHub
• URL: https://github.com/namusyaka/jsh
• Owner: namusyaka
• Created: 2013-11-16T16:10:46.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2013-11-17T08:00:22.000Z (almost 11 years ago)
• Last Synced: 2024-10-06T09:21:43.246Z (about 1 month ago)
• Language: Ruby
• Homepage:
• Size: 125 KB
• Stars: 1
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# JSH

[![Build Status](https://travis-ci.org/namusyaka/jsh.png)](https://travis-ci.org/namusyaka/jsh)

This is an interactive interpreter for JavaScript which is written in Ruby.

## Installation

add this line to your Gemfile.

`gem 'jsh'`

or

`$ gem install jsh`

## Usage

### Basic

```shell

$ jsh

[0] jsh) 1 + 1;

2

[1] jsh) "hello world".length;

11

[2] jsh) (function fib(n){ return (n < 2) ? 1 : fib(n - 2) + fib(n - 1); })(10);

89

```

### Customize

You can customize in these way.

Then save and execute it.

#### `hooks`

```ruby

require 'jsh'

JSH::Hooks.register(:before) do

  puts "before hook!"

end

JSH::Hooks.register(:after) do

  puts "after hook!"

end

JSH.start

```

#### `commands`

Save this file as `foo.rb`.

```ruby

require 'jsh'

JSH::Commands.register(:enable_to_say) do |jsh|

  jsh.context['say'] = lambda{|this, word, times| word * times }

end

JSH.start

```

Then execute it.

```shell

$ ruby foo.rb

[0] jsh) enable_to_say

[1] jsh) say('Hello', 3)

HelloHelloHello

```

### Options

#### `-r --readline=BOOLEAN`

readline option should be boolean.

default value is `true`.

if set `false` to this option, jsh will not use Readline to input.

#### `--noprompt`

if use `--noprompt`, jsh will not print prompt.

## License

The MIT License