https://github.com/adambeynon/opal-eventable

Eventable module for Opal
https://github.com/adambeynon/opal-eventable

Last synced: 2 months ago
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Eventable module for Opal

• Host: GitHub
• URL: https://github.com/adambeynon/opal-eventable
• Owner: adambeynon
• Created: 2013-02-22T16:07:19.000Z (almost 12 years ago)
• Default Branch: master
• Last Pushed: 2013-06-12T17:23:56.000Z (over 11 years ago)
• Last Synced: 2024-08-01T23:40:44.551Z (5 months ago)
• Language: Ruby
• Size: 113 KB
• Stars: 5
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

• awesome-opal - Opal Eventable - Eventable module for Opal (Uncategorized / Uncategorized)

README

        
# opal-eventable

An eventable module for opal (and ruby) applications.

## Installation

Add to your Gemfile:

```ruby

gem "opal-eventable"

```

Then, inside your opal code:

```ruby

require "opal-eventable"

```

## Usage

```ruby

require "opal-eventable"

class Person

  include Eventable

  def name=(name)

    @name = name

    trigger(:change_name, name)

  end

  def sign_in

    @signed_in = true

    trigger(:sign_in)

  end

end

p = Person.new

p.on(:change_name) { |old, new| puts "changed name from #{old.inspect} to #{new.inspect}" }

p.on(:sign_in) { puts "signed in!" }

p.name = "Adam"

p.sign_in

p.name = "Ben"

# prints:

# changed name from nil to "Adam"

# signed in!

# changed name from "Adam" to "Ben"

```

## License

(The MIT License)

Copyright (C) 2013 by Adam Beynon

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.