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Copy pathUtils.ts
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154 lines (128 loc) · 3.66 KB
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Copy pathUtils.ts
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154 lines (128 loc) · 3.66 KB
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import * as _ from 'lodash';
import { JSFuck } from '../enums/JSFuck';
export class Utils {
/**
* @type {string}
*/
public static readonly hexadecimalPrefix: string = '0x';
/**
* @param array
* @param times
* @returns {T[]}
*/
public static arrayRotate <T> (array: T[], times: number): T[] {
if (!array.length) {
throw new ReferenceError(`Cannot rotate empty array.`);
}
if (times <= 0) {
return array;
}
const newArray: T[] = array;
let temp: T | undefined;
while (times--) {
temp = newArray.pop()!;
newArray.unshift(temp);
}
return newArray;
}
/**
* @param dec
* @returns {string}
*/
public static decToHex (dec: number): string {
const radix: number = 16;
return Number(dec).toString(radix);
}
/**
* @param url
* @returns {string}
*/
public static extractDomainFromUrl (url: string): string {
let domain: string;
if (url.indexOf('://') > -1 || url.indexOf('//') === 0) {
domain = url.split('/')[2];
} else {
domain = url.split('/')[0];
}
domain = domain.split(':')[0];
return domain;
}
/**
* @param number
* @returns {boolean}
*/
public static isCeilNumber (number: number): boolean {
return number % 1 === 0;
}
/**
* @param map
* @param value
* @returns {T | null}
*/
public static mapGetFirstKeyOf <T, U> (map: Map <T, U>, value: U): T | null {
for (const [key, storageValue] of map) {
if (_.isEqual(value, storageValue)) {
return key;
}
}
return null;
}
/**
* @param obj
* @returns {T}
*/
public static strEnumify <T extends {[prop: string]: ''|string}> (obj: T): T {
return obj;
}
/**
* @param string
* @param times
* @returns {string}
*/
public static stringRotate (string: string, times: number): string {
if (!string) {
throw new ReferenceError(`Cannot rotate empty string.`);
}
for (let i: number = 0; i < times; i++) {
string = string[string.length - 1] + string.substring(0, string.length - 1);
}
return string;
}
/**
* @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
* @param nonLatinAndNonDigitsOnly
* @returns {string}
*/
public static stringToUnicodeEscapeSequence (string: string, nonLatinAndNonDigitsOnly: boolean = false): string {
const radix: number = 16;
const regexp: RegExp = new RegExp('[\x00-\x7F]');
const escapeRegExp: RegExp = new RegExp('[^a-zA-Z0-9]');
let prefix: string,
template: string;
return `${string.replace(/[\s\S]/g, (escape: string): string => {
if (nonLatinAndNonDigitsOnly && !escapeRegExp.test(escape)) {
return escape;
}
if (regexp.test(escape)) {
prefix = '\\x';
template = '0'.repeat(2);
} else {
prefix = '\\u';
template = '0'.repeat(4);
}
return `${prefix}${(template + escape.charCodeAt(0).toString(radix)).slice(-template.length)}`;
})}`;
}
}