Eleventy Cache Re-use in Serverless mode

.eleventy.js

const { EleventyServerlessBundlerPlugin } = require("@11ty/eleventy");

module.exports = function(eleventyConfig) {
  let options = {
    copy: [
      ".cache/",
    ],
    copyOptions: {
      filter: function(path) {
        return !path.endsWith(".jpg") &&
          !path.endsWith(".jpeg") &&
          !path.endsWith(".webp") &&
          !path.endsWith(".mp4") &&
          !path.endsWith(".gif") &&
          !path.endsWith(".png");
      }
    }
  };

  eleventyConfig.addPlugin(EleventyServerlessBundlerPlugin, Object.assign({
    name: "preview",
    redirects: "netlify-toml-functions",
  }, options));
};