import * as Comlink from 'comlink'
import type { ShikiWorker } from '~/workers/shiki'

let shikiWorker: ShikiWorker | null = null

export default defineNuxtPlugin(async (nuxtApp) => {
    if (shikiWorker) {
        return {
            provide: {
                shiki: shikiWorker,
            }
        }
    }

    const worker = new Worker(new URL('~/workers/shiki.ts', import.meta.url), { type: 'module' });
    const shiki = Comlink.wrap<ShikiWorker>(worker);

    await shiki.init();

    return {
        provide: {
            shiki,
        }
    }
})