08-27-周三_17-09-29

node_modules/htmlparser2/lib/ProxyHandler.js

@@ -0,0 +1,27 @@
+module.exports = ProxyHandler;
+
+function ProxyHandler(cbs) {
+    this._cbs = cbs || {};
+}
+
+var EVENTS = require("./").EVENTS;
+Object.keys(EVENTS).forEach(function(name) {
+    if (EVENTS[name] === 0) {
+        name = "on" + name;
+        ProxyHandler.prototype[name] = function() {
+            if (this._cbs[name]) this._cbs[name]();
+        };
+    } else if (EVENTS[name] === 1) {
+        name = "on" + name;
+        ProxyHandler.prototype[name] = function(a) {
+            if (this._cbs[name]) this._cbs[name](a);
+        };
+    } else if (EVENTS[name] === 2) {
+        name = "on" + name;
+        ProxyHandler.prototype[name] = function(a, b) {
+            if (this._cbs[name]) this._cbs[name](a, b);
+        };
+    } else {
+        throw Error("wrong number of arguments");
+    }
+});