初始化fy

uni_modules/UniDevTools/node_modules/licia/isCyclic.js

@@ -0,0 +1,38 @@
+var Class = require('./Class');
+var keys = require('./keys');
+var isObj = require('./isObj');
+exports = function(val, parents) {
+    if (!isObj(val)) {
+        return false;
+    }
+    if (parents && parents.contains(val)) {
+        return true;
+    }
+    parents = new Node(val, parents);
+    var _keys = keys(val);
+    for (var i = 0, len = _keys.length; i < len; i++) {
+        if (exports(val[_keys[i]], parents)) {
+            return true;
+        }
+    }
+    return false;
+};
+
+var Node = Class({
+    initialize: function Node(val, next) {
+        this.val = val;
+        this.next = next;
+    },
+    contains: function(val) {
+        var cursor = this;
+        while (cursor) {
+            if (cursor.val === val) {
+                return true;
+            }
+            cursor = cursor.next;
+        }
+        return false;
+    }
+});
+
+module.exports = exports;