import {defineConfig} from "vite";
import react from '@vitejs/plugin-react';
import fs from "fs";
import cssInjectedByJsPlugin from 'vite-plugin-css-injected-by-js';


function resolve_entries(dirname: string): [string, string][] {

    //exclude assets
    if (dirname == "front/assets" || dirname == "front/style") {
        return []
    }

    return fs.readdirSync(dirname).flatMap(file_name => {
        if (fs.lstatSync(`${dirname}/${file_name}`).isFile()) {
            return [[`${dirname}/${file_name}`, `${dirname}/${file_name}`]]
        } else {
            return resolve_entries(`${dirname}/${file_name}`)
        }
    })
}

export default defineConfig({
    root: 'front',
    base: '/front',
    envDir: '..',
    build: {
        target: 'es2021',
        assetsDir: '',
        outDir: "../dist",
        manifest: true,
        rollupOptions: {
            input: Object.fromEntries(resolve_entries("front")),
            preserveEntrySignatures: "allow-extension",
        }
    },
    plugins: [
        react(),
        cssInjectedByJsPlugin({
            relativeCSSInjection: true,
        })
    ]
})