Overview

useMount is part of the @usefy ecosystem — a collection of production-ready, TypeScript-first, SSR-safe React hooks. Runs a callback once when the component mounts.

Features

• Mount-only — clear intent, runs once
• Optional cleanup — return a function to run on unmount
• Readable — an alias for useEffect(fn, [])
• TypeScript-first — full type inference and exported types
• Tiny & tree-shakeable — zero dependencies, published as its own package

Installation

# npm
npm install @usefy/use-mount

# yarn
yarn add @usefy/use-mount

# pnpm
pnpm add @usefy/use-mount

Requires React 18 or 19 (peerDependencies: "react": "^18.0.0 || ^19.0.0").

Quick Start

import { useMount } from "@usefy/use-mount";

useMount(() => {
  analytics.page();
  return () => cleanup();
});

API

useMount(effect) — runs effect once on mount; an optional returned function runs on unmount.

Testing

📊 View Detailed Coverage Report (GitHub Pages) — 3 tests, 100% statement coverage.

License

MIT © mirunamu

This package is part of the usefy monorepo.