52 lines
1.0 KiB
JavaScript
52 lines
1.0 KiB
JavaScript
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/**
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* Module dependencies.
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*/
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try {
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var closest = require('closest');
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} catch(err) {
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var closest = require('component-closest');
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}
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try {
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var event = require('event');
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} catch(err) {
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var event = require('component-event');
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}
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/**
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* Delegate event `type` to `selector`
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* and invoke `fn(e)`. A callback function
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* is returned which may be passed to `.unbind()`.
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*
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* @param {Element} el
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* @param {String} selector
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* @param {String} type
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* @param {Function} fn
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* @param {Boolean} capture
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* @return {Function}
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* @api public
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*/
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exports.bind = function(el, selector, type, fn, capture){
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return event.bind(el, type, function(e){
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var target = e.target || e.srcElement;
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e.delegateTarget = closest(target, selector, true, el);
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if (e.delegateTarget) fn.call(el, e);
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}, capture);
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};
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/**
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* Unbind event `type`'s callback `fn`.
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*
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* @param {Element} el
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* @param {String} type
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* @param {Function} fn
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* @param {Boolean} capture
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* @api public
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*/
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exports.unbind = function(el, type, fn, capture){
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event.unbind(el, type, fn, capture);
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};
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