sandai-react/rollup.config.js

React components and utilities for the Sandai 3D AI Characters.

import babel from "@rollup/plugin-babel";
import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import terser from "@rollup/plugin-terser";
import typescript from "rollup-plugin-typescript2";
import dts from "rollup-plugin-dts";
import pkg from "./package.json" with { type: "json" };

// Peer deps (react, react-dom, typescript) are external for the JS bundle.
const jsExternal = [...Object.keys(pkg.peerDependencies)];

// For the .d.ts bundle we additionally keep sibling monorepo packages external
// so the declaration graph never climbs up into `packages/` (which produced the
// old divergent dist/sandai-react, dist/sandai-core, dist/r3f-vrm, ... layout).
// These are NOT added to the JS externals — sandai-core is a value dependency
// and must stay bundled exactly as before.
const dtsExternal = [
  ...jsExternal,
  /^sandai-core(\/|$)/,
  /^ai-vrm-chat(\/|$)/,
  /^r3f-vrm(\/|$)/,
  /^pose-3d-bone-mapper(\/|$)/,
  /^ai-character(\/|$)/,
  /^piper-wasm(\/|$)/,
];

export default [
  // 1. JS bundles. `dist` is wiped by the `rollup` npm script (rm -rf) before
  //    this runs, so old nested declaration layouts can't accumulate.
  {
    input: "index.ts",
    output: [
      {
        file: "dist/index.cjs.js",
        format: "cjs",
        sourcemap: true,
      },
      {
        file: "dist/index.esm.js",
        format: "esm",
        sourcemap: true,
      },
    ],
    plugins: [
      resolve({
        extensions: [".js", ".jsx", ".ts", ".tsx"], // Handle .tsx files
      }),
      commonjs(),
      typescript({
        tsconfig: "./tsconfig.build.json",
        exclude: ["**/__tests__/**"],
        check: false,
        extensions: [".js", ".jsx", ".ts", ".tsx"],
      }),
      babel({
        babelHelpers: "bundled",
        exclude: "",
        extensions: [".js", ".jsx", ".ts", ".tsx"], // Babel should handle these too
        presets: [
          "@babel/preset-env",
          ["@babel/preset-react", { runtime: "automatic" }],
          "@babel/preset-typescript", // Add this preset
        ],
      }),
      terser(),
    ],
    external: jsExternal,
  },
  // 2. Types. Bundles every declaration reachable from the real entry (index.ts)
  //    into a single dist/index.d.ts — matching `"types"` in package.json, with
  //    no rootDir-dependent folder nesting.
  {
    input: "index.ts",
    output: {
      file: "dist/index.d.ts",
      format: "es",
    },
    plugins: [dts({ tsconfig: "./tsconfig.build.json" })],
    external: dtsExternal,
  },
];