83 lines
946 B
JavaScript
83 lines
946 B
JavaScript
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/**
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* Store
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*/
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var evt = {};
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/**
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* Expose
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*/
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module.exports = {
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/**
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* On
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*
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* @param {String} key
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* @param {Function} fn
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* @api public
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*/
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on: function(key, fn) {
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evt[key] || (evt[key] = []);
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evt[key].push(fn);
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},
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/**
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* Off
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*
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* @param {String} key
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* @param {Function} fn
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* @api public
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*/
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off: function(key, fn) {
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var val = evt[key];
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if(!val) return;
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var i = val.indexOf(fn);
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if(-1 == i) return;
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val.splice(i, 1);
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},
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/**
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* One
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*
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* @param {String} key
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* @param {Mixed} val
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* @api public
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*/
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one: function(key, val) {
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var ref = evt[key];
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if(!ref || !ref.length) return;
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ref[0](val);
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},
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/**
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* Emit
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*
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* @param {String} key
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* @param {Mixed} val
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* @api public
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*/
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emit: function(key, val) {
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if(!evt[key]) return;
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evt[key].forEach(emit);
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function emit(fn) {
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fn(val);
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}
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}
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};
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