import { BuildConfig, defineBuildConfig } from "unbuild";
import { merge } from "lodash-es";
import scss from 'rollup-plugin-scss'

// OR tsup

const BaseConfig = {
  entries: ["src/index.ts"],
  declaration: true,
  replace: {},
  hooks: {
    "rollup:options"(ctx, options) {
      options.plugins.push(scss({ fileName: 'style.css' }))
    }
  },
  rollup: {
    emitCJS: true,
    output: {
      exports: "named",
    },
  },
} as BuildConfig;

export function mergeConfig(targetConfig: BuildConfig) {
  return defineBuildConfig(merge(BaseConfig, targetConfig));
}