更新

2026-08-11 17:41:36 +08:00
parent cfe4c82c90
commit 03fe4ddf9d
18771 changed files with 3617239 additions and 0 deletions
@@ -0,0 +1,48 @@
+var Class = require('./Class');
+var safeGet = require('./safeGet');
+var defineProp = require('./defineProp');
+var isStr = require('./isStr');
+exports = Class({
+    initialize: function Delegator(host, target) {
+        this._host = host;
+        if (isStr(target)) {
+            target = safeGet(host, target);
+        }
+        this._target = target;
+    },
+    method: function(name, targetName) {
+        var target = this._target;
+        var fn = target[targetName || name];
+        this._host[name] = function() {
+            return fn.apply(target, arguments);
+        };
+        return this;
+    },
+    getter: function(name, targetName) {
+        var target = this._target;
+        targetName = targetName || name;
+        defineProp(this._host, name, {
+            get: function() {
+                return target[targetName];
+            },
+            configurable: true
+        });
+        return this;
+    },
+    setter: function(name, targetName) {
+        var target = this._target;
+        targetName = targetName || name;
+        defineProp(this._host, name, {
+            set: function(val) {
+                return (target[targetName] = val);
+            },
+            configurable: true
+        });
+        return this;
+    },
+    access: function(name, targetName) {
+        return this.getter(name, targetName).setter(name, targetName);
+    }
+});
+
+module.exports = exports;