vite.config.ts

import { defineConfig, normalizePath } from "vite";
import { viteStaticCopy } from "vite-plugin-static-copy";
import cssInjectedByJsPlugin from "vite-plugin-css-injected-by-js";

export default defineConfig((env) => {
  const dev = env.mode === "development";

  return {
    define: {
      "process.env.DEBUG": '""',
      "process.env.NODE_ENV": '"production"',
      "process.env.TERM": '""',
      "process.platform": '""',
    },
    plugins: [
      cssInjectedByJsPlugin(),
      viteStaticCopy({
        targets: [
          {
            src: normalizePath("./dist/*"),
            dest: normalizePath("../../../resources/preview/"),
          },
        ],
      }),
    ],
    build: {
      watch: dev ? {} : null,
      lib: {
        entry: "src/index.tsx",
        formats: ["umd"],
        name: "QuartoPreview",
        fileName: () => "quarto-preview.js",
      },
      rollupOptions: {
        external: [],
        output: {
          assetFileNames: "quarto-preview.[ext]",
        },
      },
      sourcemap: false,
    },
  };
});