MyHelperLib

A lightweight helper library written in TypeScript for everyday web development tasks.

✨ Features

• DOM selector helpers ($, $$)
• Event handling helpers
• Cookie utilities
• localStorage helpers (JSON-safe)
• Debounce & Throttle
• Fetch JSON helper
• Date formatting
• URL parameter parsing
• Written in TypeScript
• Zero dependencies

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📦 Installation

CDN (compiled JS)

<script src="https://cdn.jsdelivr.net/gh/kokhinmaungwin/myhelperlib@v1.0.3/dist/my-helper-lib.js"></script>

Local / Module

import MyHelperLib from "./my-helper-lib";

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📢 Versioning

Source code version: 1.0.2

Current release tag: v1.0.3

v1.0.3 includes build fixes and dist rebuild

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🚀 Usage

DOM Selectors

const el = MyHelperLib.$("#app");
const items = MyHelperLib.$$(".item");

Events

MyHelperLib.on(window, "resize", () => {
  console.log("Window resized");
});

Cookies

MyHelperLib.setCookie("theme", "dark", 7);
const theme = MyHelperLib.getCookie("theme");
MyHelperLib.deleteCookie("theme");

localStorage

MyHelperLib.lsSet("user", { name: "Bro" });
const user = MyHelperLib.lsGet<{ name: string }>("user");
MyHelperLib.lsRemove("user");

Debounce

const onResize = MyHelperLib.debounce(() => {
  console.log("Resized");
}, 300);

Throttle

const onScroll = MyHelperLib.throttle(() => {
  console.log("Scrolling");
}, 200);

Fetch JSON

const data = await MyHelperLib.fetchGet("https://api.example.com/data");

Date Formatting

const formatted = MyHelperLib.formatDate(new Date(), "en-US");

URL Parameter

const id = MyHelperLib.getUrlParam("id");

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🧩 TypeScript Support

This library is written in TypeScript and provides full type safety and IntelliSense support.

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📄 License

MIT License © 2025 Khin Maung Win

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