jka-core/lib/utils/classes/Bitfield.class.js

Library for working with Jedi Academy servers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Bitfield = void 0;
class Bitfield {
    constructor(num, size, keys) {
        let numBinaryString = num.toString(2);
        const dif = size - numBinaryString.length;
        if (dif) {
            numBinaryString = `${('0').repeat(dif)}${numBinaryString}`;
        }
        this._bits = numBinaryString.split('').map(x => x === '1');
        this._keys = keys.concat().reverse();
    }
    get decimal() {
        return parseInt(this._bits
            .map(x => x ? '1' : '0')
            .join(''), 2);
    }
    get binary() {
        return this._bits
            .map(x => x ? '1' : '0')
            .join('');
    }
    get list() {
        return this._bits.reduce((acc, el, i) => (Object.assign(Object.assign({}, acc), { [this._keys[i]]: el })), {});
    }
    /**
     * Sets key of bitfield to specific parameter
     * @param key The key which should be set
     * @param value The value which should be used for setting up
     * @returns True if succeed, false if there is no such key
     */
    set(key, value) {
        const index = this._keys.findIndex((el) => el === key);
        if (index === -1) {
            return false;
        }
        else {
            this._bits[index] = value;
            return true;
        }
    }
    /**
     * Gets the current value of the key of the bitfield
     * @param key The key which should be taken
     * @returns The value of the key or null, if there is no such key
     */
    get(key) {
        const index = this._keys.findIndex((el) => el === key);
        return index === -1
            ? null
            : this._bits[index];
    }
}
exports.Bitfield = Bitfield;