nuxt-resource-hints/dist/module.mjs

Nuxt module that adds HTTP header resource hints for resources in your Nuxt App.

import { defineNuxtModule, createResolver, addServerPlugin, useNitro } from '@nuxt/kit';
import { createDefu } from 'defu';

const defuReplaceArray = createDefu((obj, key, value) => {
  if (Array.isArray(obj[key]) || Array.isArray(value)) {
    obj[key] = value;
    return true;
  }
});
const module$1 = defineNuxtModule({
  meta: {
    name: "resource-hints",
    configKey: "resourceHints"
  },
  // Default configuration options of the Nuxt module
  defaults: {},
  setup(_options, _nuxt) {
    const { resolve } = createResolver(import.meta.url);
    addServerPlugin(resolve("./runtime/nitro/plugins/nitro-resource-link"));
    _nuxt.hook("nitro:init", (nitro) => {
      nitro.hooks.hook("prerender:done", async () => {
        nitro.options.serverAssets.push({
          baseName: "nuxt-resource-hints",
          dir: createResolver(_nuxt.options.buildDir).resolve(
            "./nuxt-resource-hints"
          )
        });
        const preRenderedHeaders = await nitro.storage.getItem(
          "build:nuxt-resource-hints:headers.json"
        ) || {};
        const preRenderedHeadersRouteRules = Object.fromEntries(
          Object.entries(preRenderedHeaders).map(([route, headers]) => [
            route,
            { headers }
          ])
        );
        const n = useNitro();
        n.options.routeRules = defuReplaceArray(
          preRenderedHeadersRouteRules,
          n.options.routeRules
        );
      });
    });
  }
});

export { module$1 as default };