All files / webpack:/src Utils.ts

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import { Chance } from 'chance';
 
import { JSFuck } from './enums/JSFuck';
 
export class Utils {
    /**
     * @type {RegExp}
     */
    private static hexRepetitiveZerosRegExp: RegExp = new RegExp('^(0{2,})+(?!$)', '');
 
    /**
     * @type {Chance.Chance}
     */
    private static randomGenerator: Chance.Chance = new Chance();
 
    /**
     * @param array
     * @param searchElement
     * @returns {boolean}
     */
    public static arrayContains (array: any[], searchElement: any): boolean {
        return array.indexOf(searchElement) >= 0;
    }
 
    /**
     * @param array
     * @param times
     * @param reverse
     * @returns {T[]}
     */
    public static arrayRotate <T> (array: T[], times: number, reverse: boolean = false): T[] {
        if I(times < 0) {
            return;
        }
 
        let newArray: T[] = array,
            temp: T;
 
        while (times--) {
            if E(!reverse) {
                temp = newArray.pop();
                newArray.unshift(temp);
            } else {
                temp = newArray.shift();
                newArray.push(temp);
            }
        }
 
        return newArray;
    }
 
    /**
     * @param string
     */
    public static btoa (string: string): string {
        return new Buffer(encodeURI(string)).toString('base64');
    }
 
    /**
     * @param dec
     * @returns {string}
     */
    public static decToHex (dec: number): string {
        const decToHexSliceValue: number = -6,
            exponent: number = 6,
            radix: number = 16;
 
        return (dec + Math.pow(radix, exponent))
            .toString(radix)
            .substr(decToHexSliceValue)
            .replace(Utils.hexRepetitiveZerosRegExp, '');
    }
 
    /**
     * @returns {Chance.Chance}
     */
    public static getRandomGenerator (): Chance.Chance {
        return Utils.randomGenerator;
    }
 
    /**
     * @param length
     * @returns any
     */
    public static getRandomVariableName (length: number = 6): string {
        const rangeMinInteger: number = 10000,
            rangeMaxInteger: number = 99999999,
            prefix: string = '_0x';
 
        return `${prefix}${(
            Utils.decToHex(
                Utils.getRandomGenerator().integer({
                    min: rangeMinInteger,
                    max: rangeMaxInteger
                })
            )
        ).substr(0, length)}`;
    }
 
    /**
     * @param number
     * @returns {boolean}
     */
    public static isInteger (number: number): boolean {
        return number % 1 === 0;
    }
 
    /**
     * @param obj
     * @returns {T}
     */
    public static strEnumify <T extends {[prop: string]: ''|string}> (obj: T): T {
        return obj;
    }
 
    /**
     * @param string
     * @returns {string}
     */
    public static stringToJSFuck (string: string): string {
        return Array
            .from(string)
            .map((character: string): string => {
                return JSFuck[character] || character;
            })
            .join(' + ');
    }
 
    /**
     * @param string
     * @returns {string}
     */
    public static stringToUnicode (string: string): string {
        const radix: number = 16;
 
        let prefix: string,
            regexp: RegExp = new RegExp('[\x00-\x7F]'),
            template: string;
 
        return `'${string.replace(/[\s\S]/g, (escape: string): string => {
            if E(regexp.test(escape)) {
                prefix = '\\x';
                template = '0'.repeat(2);
            } else {
                prefix = '\\u';
                template = '0'.repeat(4);  
            }
            
            return `${prefix}${(template + escape.charCodeAt(0).toString(radix)).slice(-template.length)}`;
        })}'`;
    }
}
 
 
 
// WEBPACK FOOTER //
// ./src/Utils.ts