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126 lines
3.2 KiB
126 lines
3.2 KiB
// Common Util for frontend and backend
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//
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// DOT NOT MODIFY util.js!
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// Need to run "tsc" to compile if there are any changes.
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//
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// Backend uses the compiled file util.js
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// Frontend uses util.ts
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import * as _dayjs from "dayjs";
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const dayjs = _dayjs;
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export const isDev = process.env.NODE_ENV === "development";
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export const appName = "Uptime Kuma";
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export const DOWN = 0;
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export const UP = 1;
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export const PENDING = 2;
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export const STATUS_PAGE_ALL_DOWN = 0;
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export const STATUS_PAGE_ALL_UP = 1;
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export const STATUS_PAGE_PARTIAL_DOWN = 2;
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export function flipStatus(s: number) {
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if (s === UP) {
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return DOWN;
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}
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if (s === DOWN) {
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return UP;
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}
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return s;
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}
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export function sleep(ms: number) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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/**
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* PHP's ucfirst
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* @param str
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*/
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export function ucfirst(str: string) {
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if (!str) {
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return str;
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}
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const firstLetter = str.substr(0, 1);
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return firstLetter.toUpperCase() + str.substr(1);
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}
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export function debug(msg: any) {
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if (isDev) {
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console.log(msg);
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}
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}
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declare global { interface String { replaceAll(str: string, newStr: string): string; } }
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export function polyfill() {
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/**
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* String.prototype.replaceAll() polyfill
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* https://gomakethings.com/how-to-replace-a-section-of-a-string-with-another-one-with-vanilla-js/
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* @author Chris Ferdinandi
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* @license MIT
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*/
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if (!String.prototype.replaceAll) {
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String.prototype.replaceAll = function (str: string, newStr: string) {
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// If a regex pattern
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if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") {
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return this.replace(str, newStr);
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}
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// If a string
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return this.replace(new RegExp(str, "g"), newStr);
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};
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}
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}
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export class TimeLogger {
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startTime: number;
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constructor() {
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this.startTime = dayjs().valueOf();
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}
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print(name: string) {
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if (isDev) {
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console.log(name + ": " + (dayjs().valueOf() - this.startTime) + "ms")
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}
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}
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}
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/**
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* Returns a random number between min (inclusive) and max (exclusive)
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*/
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export function getRandomArbitrary(min: number, max: number) {
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return Math.random() * (max - min) + min;
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}
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/**
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* From: https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range
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*
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* Returns a random integer between min (inclusive) and max (inclusive).
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* The value is no lower than min (or the next integer greater than min
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* if min isn't an integer) and no greater than max (or the next integer
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* lower than max if max isn't an integer).
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* Using Math.round() will give you a non-uniform distribution!
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*/
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export function getRandomInt(min: number, max: number) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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export function genSecret(length = 64) {
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let secret = "";
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let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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let charsLength = chars.length;
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for ( let i = 0; i < length; i++ ) {
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secret += chars.charAt(Math.floor(Math.random() * charsLength));
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}
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return secret;
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}
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