node_modules

node_modules/bottleneck/lib/DLList.js

@@ -0,0 +1,107 @@
+"use strict";
+
+var DLList;
+DLList = class DLList {
+  constructor(incr, decr) {
+    this.incr = incr;
+    this.decr = decr;
+    this._first = null;
+    this._last = null;
+    this.length = 0;
+  }
+
+  push(value) {
+    var node;
+    this.length++;
+
+    if (typeof this.incr === "function") {
+      this.incr();
+    }
+
+    node = {
+      value,
+      prev: this._last,
+      next: null
+    };
+
+    if (this._last != null) {
+      this._last.next = node;
+      this._last = node;
+    } else {
+      this._first = this._last = node;
+    }
+
+    return void 0;
+  }
+
+  shift() {
+    var value;
+
+    if (this._first == null) {
+      return;
+    } else {
+      this.length--;
+
+      if (typeof this.decr === "function") {
+        this.decr();
+      }
+    }
+
+    value = this._first.value;
+
+    if ((this._first = this._first.next) != null) {
+      this._first.prev = null;
+    } else {
+      this._last = null;
+    }
+
+    return value;
+  }
+
+  first() {
+    if (this._first != null) {
+      return this._first.value;
+    }
+  }
+
+  getArray() {
+    var node, ref, results;
+    node = this._first;
+    results = [];
+
+    while (node != null) {
+      results.push((ref = node, node = node.next, ref.value));
+    }
+
+    return results;
+  }
+
+  forEachShift(cb) {
+    var node;
+    node = this.shift();
+
+    while (node != null) {
+      cb(node), node = this.shift();
+    }
+
+    return void 0;
+  }
+
+  debug() {
+    var node, ref, ref1, ref2, results;
+    node = this._first;
+    results = [];
+
+    while (node != null) {
+      results.push((ref = node, node = node.next, {
+        value: ref.value,
+        prev: (ref1 = ref.prev) != null ? ref1.value : void 0,
+        next: (ref2 = ref.next) != null ? ref2.value : void 0
+      }));
+    }
+
+    return results;
+  }
+
+};
+module.exports = DLList;