Gecko [ gandhischool.edu.np ]

Name	Size	Permission
DoublyLinkedList.js	2.29 KB	-rw-r--r--
applyEach.js	1.03 KB	-rw-r--r--
breakLoop.js	226 B	-rw-r--r--
consoleFunc.js	1.2 KB	-rw-r--r--
createTester.js	1.25 KB	-rw-r--r--
doLimit.js	293 B	-rw-r--r--
doParallel.js	600 B	-rw-r--r--
doParallelLimit.js	653 B	-rw-r--r--
eachOfLimit.js	1.96 KB	-rw-r--r--
filter.js	2.12 KB	-rw-r--r--
findGetResult.js	200 B	-rw-r--r--
getIterator.js	307 B	-rw-r--r--
initialParams.js	514 B	-rw-r--r--
iterator.js	1.43 KB	-rw-r--r--
map.js	903 B	-rw-r--r--
notId.js	180 B	-rw-r--r--
once.js	312 B	-rw-r--r--
onlyOnce.js	361 B	-rw-r--r--
parallel.js	1.11 KB	-rw-r--r--
queue.js	5.64 KB	-rw-r--r--
reject.js	541 B	-rw-r--r--
setImmediate.js	1021 B	-rw-r--r--
slice.js	407 B	-rw-r--r--
withoutIndex.js	284 B	-rw-r--r--
wrapAsync.js	616 B	-rw-r--r--

Code Editor : DoublyLinkedList.js

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = DLL;
// Simple doubly linked list (https://en.wikipedia.org/wiki/Doubly_linked_list) implementation
// used for queues. This implementation assumes that the node provided by the user can be modified
// to adjust the next and last properties. We implement only the minimal functionality
// for queue support.
function DLL() {
    this.head = this.tail = null;
    this.length = 0;
}

function setInitial(dll, node) {
    dll.length = 1;
    dll.head = dll.tail = node;
}

DLL.prototype.removeLink = function (node) {
    if (node.prev) node.prev.next = node.next;else this.head = node.next;
    if (node.next) node.next.prev = node.prev;else this.tail = node.prev;

node.prev = node.next = null;
    this.length -= 1;
    return node;
};

DLL.prototype.empty = function () {
    while (this.head) this.shift();
    return this;
};

DLL.prototype.insertAfter = function (node, newNode) {
    newNode.prev = node;
    newNode.next = node.next;
    if (node.next) node.next.prev = newNode;else this.tail = newNode;
    node.next = newNode;
    this.length += 1;
};

DLL.prototype.insertBefore = function (node, newNode) {
    newNode.prev = node.prev;
    newNode.next = node;
    if (node.prev) node.prev.next = newNode;else this.head = newNode;
    node.prev = newNode;
    this.length += 1;
};

DLL.prototype.unshift = function (node) {
    if (this.head) this.insertBefore(this.head, node);else setInitial(this, node);
};

DLL.prototype.push = function (node) {
    if (this.tail) this.insertAfter(this.tail, node);else setInitial(this, node);
};

DLL.prototype.shift = function () {
    return this.head && this.removeLink(this.head);
};

DLL.prototype.pop = function () {
    return this.tail && this.removeLink(this.tail);
};

DLL.prototype.toArray = function () {
    var arr = Array(this.length);
    var curr = this.head;
    for (var idx = 0; idx < this.length; idx++) {
        arr[idx] = curr.data;
        curr = curr.next;
    }
    return arr;
};

DLL.prototype.remove = function (testFn) {
    var curr = this.head;
    while (!!curr) {
        var next = curr.next;
        if (testFn(curr)) {
            this.removeLink(curr);
        }
        curr = next;
    }
    return this;
};
module.exports = exports["default"];

${this.title}

Code Editor : DoublyLinkedList.js