@cf-wasm/quickjs

A high-performance, secure, extensible JavaScript runtime.

Powered by quickjs-emscripten

> [!WARNING]
> This package is in development. Breaking changes may be introduced without following semantic versioning.

Installation

``shell
npm install @cf-wasm/quickjs # npm
yarn add @cf-wasm/quickjs # yarn
pnpm add @cf-wasm/quickjs # pnpm
`

Usage

- Cloudflare Workers / Pages (Wrangler):

`ts
import { getQuickJSWASMModule } from "@cf-wasm/quickjs/workerd";
`

- Next.js Edge Runtime:

`ts
import { getQuickJSWASMModule } from "@cf-wasm/quickjs/edge-light";
`

- Node.js (file base):

`ts
import { getQuickJSWASMModule } from "@cf-wasm/quickjs/node";
`

Examples

Here are some examples for using this library.

$3

If you are using Cloudflare Workers, you can use it as shown below:

`ts
import {
getQuickJSWASMModule,
shouldInterruptAfterDeadline,
} from "@cf-wasm/quickjs";

export default {
async fetch() {
const QuickJS = await getQuickJSWASMModule();

const result = QuickJS.evalCode(
"({ multiplication: 50 * 6, random: Math.random() })",
{
shouldInterrupt: shouldInterruptAfterDeadline(Date.now() + 1000),
memoryLimitBytes: 1024 * 1024,
}
);

return Response.json({ result });
},
} satisfies ExportedHandler;
``