---
url: >-
  /api/symbols/unplugin-pwa-core/inject-generate-register-sw/injectgenerateregistersw.md
---

# injectGenerateRegisterSW

Function @unplugin-pwa/core/inject-generate-register-sw

```ts
injectGenerateRegisterSW(html: string, ctx: PWAPluginContext<any, any, any>, dev: boolean, injectAtDev: boolean): Promise<string | undefined>
```

Adds the `registerSW.js` script to the HTML entry point.

### Parameters

* `html` – The HTML entry point.

* `ctx` – The PWA Context.

* `dev` – For dev server

* `injectAtDev` – Inject the script at dev server?