Quick Start

Fastjs support a lot of usage, you can use it in any way you want.

With Bundler Recommended

Is I using bundler?

Common bundlers include webpack, vite, rollup.

Why a bundler version is recommended?

Bundler version is recommended because it can reduce the size of your project, and it can let fastjs to be tree-shaked by bundler.

Bundler version is recommended because it can reduce the size of your project, and it can let fastjs to be tree-shaked by bundler.

Create a new project

Fastjs CLI is now available!

We just released a new CLI tool for Fastjs, Click here to build a new project with Fastjs really fast!

Fastjs recommend you to use vite to create a new project.

npm

npm create vite@latest fastjs-project

yarn

yarn create vite@latest fastjs-project

pnpm

pnpm create vite@latest fastjs-project

bun

bun create vite@latest fastjs-project

Install Fastjs

npm

cd fastjs-project
npm i jsfast

yarn

cd fastjs-project
yarn add jsfast

pnpm

cd fastjs-project
pnpm add jsfast

bun

cd fastjs-project
bun add jsfast

Usage

Open src/main.js and try this example:

import { date } from "jsfast";

console.log(date.string());

With CDN

Use it in browser directly or any other way you want.

Usage

<script src="https://cdn.jsdelivr.net/npm/jsfast/dist/fastjs.global.js"></script>
<!-- or -->
<script src="https://cdn.unpkg.com/jsfast/dist/fastjs.global.js"></script>

console.log(fastjs.date.string());

or exclude fastjs namespace:

const { date } = fastjs;

With Node.js

Production environment

Fastjs should run in production mode in a right time, if it is not, check is NODE_ENV set to production.

Use it in Node.js(CJS) environment.

Install

npm i jsfast

Usage

const { date } = require("jsfast");

With Direct Import

Use it in browser ESM environment.

Usage

<script type="module">
  import { date } from "https://cdn.jsdelivr.net/npm/jsfast/dist/fastjs.esm.js";
  // or
  import { date } from "https://cdn.unpkg.com/jsfast/dist/fastjs.esm.js";
</script>