import { nodeResolve } from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';
import path from 'path';
import tsc from 'typescript';
import { fileURLToPath } from 'url';
import pkg from './packageJson.js';

const ROOT = fileURLToPath(new URL('..', import.meta.url));

const external = [
  ...Object.keys(pkg.dependencies || {}),
  ...Object.keys(pkg.peerDependencies || {}),
];
const globals = external.reduce((globals, name) => {
  globals[name] = name;

  return globals;
}, {});

export default {
  external,
  input: 'src/index.ts',
  output: {
    exports: 'named',
    globals,
    name: pkg.name,
    sourcemap: true,
  },
  plugins: [
    nodeResolve({
      mainFields: ['module', 'browser', 'main'],
    }),
    typescript({
      tsconfig: path.resolve(ROOT, 'tsconfig', 'base.json'),
      typescript: tsc,
    }),
  ],
};