vite.config.ts

import { builtinModules } from "module";
import { resolve } from "path";
import { defineConfig } from "vite";
import checker from "vite-plugin-checker";

export default defineConfig({
  plugins: [
    checker({
      typescript: true,
    }),
  ],
  build: {
    minify: false,
    sourcemap: true,
    lib: {
      entry: resolve(__dirname, "src/index.ts"),
      fileName: "index",
      formats: ["cjs"],
    },
    rollupOptions: {
      external: [
        "vscode",
        ...builtinModules,
        ...builtinModules.map((v) => `node:${v}`),
      ],
      output: {
        manualChunks: {
          vendor: ["js-yaml"],
        },
      },
    },
  },
});