salyne
Salyne (saline) is a dependency injection library that is largely compatible with electrolyte but is lighter, simpler, and more flexible.
here is a quick example.
// ~/project/index.js
var Salyne = require('salyne'),
injector = new Salyne();
injector.load('./lib/foobar.js')
var foobar = injector.create('foobar');
console.log('testing', foobar.foo, foobar.bar);
// ~/project/lib/foobar.js
exports = module.exports = function() {
this.foo = 5;
this.bar = 10;
};This will create a new instance of the foobar dependency. It got its name from the file name. But like I said earlier salyne is flexible. Here are some of the ways you can name your dependencies.
//salyne will grab from the function name if it's available
exports = module.exports = function Foobar() {
// name will be 'Foobar'
};
// you can also pass a name at load time
injector.load('FooBar', './lib/foobar.js');
// name will be FooBarI also said that this is a dependency injection library. Here are some ways you can define your dependencies inside your class.
// salyne will take just the argument names just like angular (but they have to be exact)
exports = module.exports = function (foo, bar, bang) {
};
// saylne will also take properties on the function (the params no longer have to be exact or even close)
exports - module.exports = function (foo, bar, bang) {
};
exports.requires = [ 'Foo', 'Baur', 'Zip']
//you can also do the following
exports['@requires'] = [ 'Foo', 'Baur', 'Zip']
exports.require = [ 'Foo', 'Baur', 'Zip']
exports['@require'] = [ 'Foo', 'Baur', 'Zip']You can also create a singleton really easily!
var foo = 0;
exports = module.exports = function() {
//foo will never change because you will always be given the same instance.
this.foo = foo++;
};
exports.singleton = true;
//you can also do the following
exports['@singleton'] = true;You can also bind constructors directly.
injector.bind('bar', function() {
this.item = 'testing';
});
var bar = injector.create('bar');These are also flexible.
injector.bind({ singleton : true }, function Bang() {
this.bang = 'also testing';
});
var bang = injector.create('Bang');
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