Lockout

Lockout is a Knockout clone in Lua

Features

Observables

• observable
• observableArray is not implemented
• subscribable
• computed
• extenders

Bindings

• Lockout is not for DOM operation. It does not offer binding feature.

An Example

local lo = require("lockout")

local underlyingObservable = lo.observable(1);
local dependent1 = lo.computed(function ()
	return underlyingObservable() + 1;
end);

local dependent2 = lo.computed(function ()
	return dependent1() + 1;
end);

assert(3 == dependent2());

underlyingObservable(11);

assert(13 == dependent2());

Getting it

The source code can be found at:

https://github.com/callin2/lockout.lua.git

This project uses Underscore.lua for table operation. you will have to install Underscore.lua first

Running your tests

This project uses telescope for its specs. If you want to run the specs, you will have to install telescope first.

tsc -f lockout_test.lua

Observable Examples

local lo = require("lockout")

local instance = lo.observable();
local notifiedValues = {};
instance:subscribe(function (value)
    notifiedValues[#notifiedValues+1]=value;
end);

instance('A');
instance('B');

assert_equal(2,#notifiedValues)
assert_equal('A',notifiedValues[1])
assert_equal('B',notifiedValues[2])

Subscribable Examples

local lo = require("lockout")

local instance = lo.subscribable();
local notifiedValue = nil;
instance:subscribe(function (value)  notifiedValue = value; end, "myEvent");

instance:notifySubscribers(123, "unrelatedEvent");
assert_equal(nil, notifiedValue);

instance:notifySubscribers(456, "myEvent");
assert_equal(456,notifiedValue)

You can find more example at lockout_test.lua

Author

callin 임창진

Please feel free to email me bug reports or feature requests.

Acknowledgements

License

The MIT License

Copyright (c) 2012 임창진

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.