import { readdirSync } from 'fs';
import { TargetOptions } from '@angular-builders/custom-webpack';

export default (targetOptions: TargetOptions, indexHtml: string) => {
    const i = indexHtml.indexOf('</body>');
    const bundlePath = '../../dist/packages/shell/bundle';
    const files = readdirSync(bundlePath);

    let insert = '';
    for (const file of files) {
        if (file.indexOf('msftsme.') === 0 || file.indexOf('vendor.') === 0) {
            insert += `<script src="${file}" defer></script>`;
        }
    }

    return `${indexHtml.slice(0, i)}
                ${insert}
                ${indexHtml.slice(i)}`;
};