create project

kitabcitab/node_modules/core-js-pure/internals/queue.js

@@ -0,0 +1,23 @@
+var Queue = function () {
+  this.head = null;
+  this.tail = null;
+};
+
+Queue.prototype = {
+  add: function (item) {
+    var entry = { item: item, next: null };
+    if (this.head) this.tail.next = entry;
+    else this.head = entry;
+    this.tail = entry;
+  },
+  get: function () {
+    var entry = this.head;
+    if (entry) {
+      this.head = entry.next;
+      if (this.tail === entry) this.tail = null;
+      return entry.item;
+    }
+  }
+};
+
+module.exports = Queue;