初始化

uni_modules/UniDevTools/node_modules/licia/Stack.js

@@ -0,0 +1,35 @@
+var Class = require('./Class');
+var reverse = require('./reverse');
+exports = Class({
+    initialize: function Stack() {
+        this.clear();
+    },
+    clear: function() {
+        this._items = [];
+        this.size = 0;
+    },
+    push: function(item) {
+        this._items.push(item);
+        return ++this.size;
+    },
+    pop: function() {
+        if (!this.size) return;
+        this.size--;
+        return this._items.pop();
+    },
+    peek: function() {
+        return this._items[this.size - 1];
+    },
+    forEach: function(iterator, ctx) {
+        ctx = arguments.length > 1 ? ctx : this;
+        var items = this._items;
+        for (var i = this.size - 1, j = 0; i >= 0; i--, j++) {
+            iterator.call(ctx, items[i], j, this);
+        }
+    },
+    toArr: function() {
+        return reverse(this._items);
+    }
+});
+
+module.exports = exports;