From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/delegate/src/closest.js | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 node_modules/delegate/src/closest.js

(limited to 'node_modules/delegate/src/closest.js')

diff --git a/node_modules/delegate/src/closest.js b/node_modules/delegate/src/closest.js
new file mode 100644
index 00000000..842ea074
--- /dev/null
+++ b/node_modules/delegate/src/closest.js
@@ -0,0 +1,33 @@
+var DOCUMENT_NODE_TYPE = 9;
+
+/**
+ * A polyfill for Element.matches()
+ */
+if (typeof Element !== 'undefined' && !Element.prototype.matches) {
+    var proto = Element.prototype;
+
+    proto.matches = proto.matchesSelector ||
+                    proto.mozMatchesSelector ||
+                    proto.msMatchesSelector ||
+                    proto.oMatchesSelector ||
+                    proto.webkitMatchesSelector;
+}
+
+/**
+ * Finds the closest parent that matches a selector.
+ *
+ * @param {Element} element
+ * @param {String} selector
+ * @return {Function}
+ */
+function closest (element, selector) {
+    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {
+        if (typeof element.matches === 'function' &&
+            element.matches(selector)) {
+          return element;
+        }
+        element = element.parentNode;
+    }
+}
+
+module.exports = closest;
-- 
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