vite.config.js

import { resolve } from "path";
import { defineConfig } from "vite";
import dts from "vite-plugin-dts";

const config =
  process.env.BUILD_FORMAT === "iife"
    ? defineConfig({
        build: {
          outDir: "lib/standalone",
          target: "es2020",
          lib: {
            entry: resolve(__dirname, "src/index.ts"),
            name: "cashuts",
            formats: ["iife"],
            fileName: (format) => `nutjar.${format}.js`,
          },
          sourcemap: true,
        },
        plugins: [
          dts({ tsconfigPath: "./tsconfig.json", outDir: "lib/types" }),
        ],
      })
    : defineConfig({
        build: {
          outDir: "lib",
          target: "es2020",
          lib: {
            entry: resolve(__dirname, "src/index.ts"),
            name: "cashuts",
            fileName: (format) => `nutjar.${format}.js`,
            formats: ["es", "cjs"],
          },
          rollupOptions: {
            output: {},
            external: (id) =>
              Object.keys(require("./package.json").dependencies || {}).some(
                (dep) => id === dep || id.startsWith(`${dep}/`),
              ),
          },
          sourcemap: true,
        },
        plugins: [
          dts({ tsconfigPath: "./tsconfig.json", outDir: "lib/types" }),
        ],
      });

export default config;