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31 lines
765 B
31 lines
765 B
var initEvent = function (cos) {
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var listeners = {};
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var getList = function (action) {
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!listeners[action] && (listeners[action] = []);
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return listeners[action];
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};
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cos.on = function (action, callback) {
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getList(action).push(callback);
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};
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cos.off = function (action, callback) {
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var list = getList(action);
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for (var i = list.length - 1; i >= 0; i--) {
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callback === list[i] && list.splice(i, 1);
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}
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};
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cos.emit = function (action, data) {
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var list = getList(action).map(function (cb) {
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return cb;
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});
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for (var i = 0; i < list.length; i++) {
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list[i](data);
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}
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};
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};
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var EventProxy = function () {
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initEvent(this);
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};
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module.exports.init = initEvent;
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module.exports.EventProxy = EventProxy;
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