Server : nginx/1.20.1 System : Linux ccpf-production-2021 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 User : forge ( 1000) PHP Version : 7.4.21 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /lib/node_modules/pm2/node_modules/async/internal/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
// 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.
class DLL {
    constructor() {
        this.head = this.tail = null;
        this.length = 0;
    }

    removeLink(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;
    }

    empty() {
        while (this.head) this.shift();
        return this;
    }

    insertAfter(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;
    }

    insertBefore(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;
    }

    unshift(node) {
        if (this.head) this.insertBefore(this.head, node);else setInitial(this, node);
    }

    push(node) {
        if (this.tail) this.insertAfter(this.tail, node);else setInitial(this, node);
    }

    shift() {
        return this.head && this.removeLink(this.head);
    }

    pop() {
        return this.tail && this.removeLink(this.tail);
    }

    toArray() {
        return [...this];
    }

    *[Symbol.iterator]() {
        var cur = this.head;
        while (cur) {
            yield cur.data;
            cur = cur.next;
        }
    }

    remove(testFn) {
        var curr = this.head;
        while (curr) {
            var { next } = curr;
            if (testFn(curr)) {
                this.removeLink(curr);
            }
            curr = next;
        }
        return this;
    }
}

exports.default = DLL;
function setInitial(dll, node) {
    dll.length = 1;
    dll.head = dll.tail = node;
}
module.exports = exports["default"];