import { nodeResolve } from "@rollup/plugin-node-resolve"
import { defineConfig } from "rollup"
import cleanup from "rollup-plugin-cleanup"
import ts from "rollup-plugin-ts"
import pkg from "./package.json" assert { type: "json" }


export const createBundleConfig = (
    input:  string,
    name:   keyof typeof pkg.exports,
) => (
    defineConfig({
        input,

        output: [
            {
                file:    pkg.exports[name].import.default,
                format:  "esm",
            },
            {
                file:    pkg.exports[name].require.default,
                format:  "cjs",
            },
        ],

        external: id => !/^[./]/.test(id),

        plugins: [
            nodeResolve(),
            ts(),

            cleanup({
                comments: "jsdoc",
                extensions: ["ts"],
            }),
        ],
    })
)


export default [
    createBundleConfig("src/index.ts", "."),
    createBundleConfig("src/util/lib.ts", "./util"),
]