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authorruki <waruqi@gmail.com>2018-11-08 00:43:05 +0800
committerruki <waruqi@gmail.com>2018-11-07 22:18:30 +0800
commit89e95b3f143682ed9a006991bacf45c9dcba4818 (patch)
tree4f44cf41b828577d583890bdd5a1c31e8491a6ba /node_modules/delegate/src/delegate.js
parentaa7f0199255277949790b41c56e8ec97dd4f0da4 (diff)
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Diffstat (limited to 'node_modules/delegate/src/delegate.js')
-rw-r--r--node_modules/delegate/src/delegate.js78
1 files changed, 0 insertions, 78 deletions
diff --git a/node_modules/delegate/src/delegate.js b/node_modules/delegate/src/delegate.js
deleted file mode 100644
index 9d9397d1..00000000
--- a/node_modules/delegate/src/delegate.js
+++ /dev/null
@@ -1,78 +0,0 @@
-var closest = require('./closest');
-
-/**
- * Delegates event to a selector.
- *
- * @param {Element} element
- * @param {String} selector
- * @param {String} type
- * @param {Function} callback
- * @param {Boolean} useCapture
- * @return {Object}
- */
-function _delegate(element, selector, type, callback, useCapture) {
- var listenerFn = listener.apply(this, arguments);
-
- element.addEventListener(type, listenerFn, useCapture);
-
- return {
- destroy: function() {
- element.removeEventListener(type, listenerFn, useCapture);
- }
- }
-}
-
-/**
- * Delegates event to a selector.
- *
- * @param {Element|String|Array} [elements]
- * @param {String} selector
- * @param {String} type
- * @param {Function} callback
- * @param {Boolean} useCapture
- * @return {Object}
- */
-function delegate(elements, selector, type, callback, useCapture) {
- // Handle the regular Element usage
- if (typeof elements.addEventListener === 'function') {
- return _delegate.apply(null, arguments);
- }
-
- // Handle Element-less usage, it defaults to global delegation
- if (typeof type === 'function') {
- // Use `document` as the first parameter, then apply arguments
- // This is a short way to .unshift `arguments` without running into deoptimizations
- return _delegate.bind(null, document).apply(null, arguments);
- }
-
- // Handle Selector-based usage
- if (typeof elements === 'string') {
- elements = document.querySelectorAll(elements);
- }
-
- // Handle Array-like based usage
- return Array.prototype.map.call(elements, function (element) {
- return _delegate(element, selector, type, callback, useCapture);
- });
-}
-
-/**
- * Finds closest match and invokes callback.
- *
- * @param {Element} element
- * @param {String} selector
- * @param {String} type
- * @param {Function} callback
- * @return {Function}
- */
-function listener(element, selector, type, callback) {
- return function(e) {
- e.delegateTarget = closest(e.target, selector);
-
- if (e.delegateTarget) {
- callback.call(element, e);
- }
- }
-}
-
-module.exports = delegate;