aureooms/rejuvenate

import update from '../lib/update.js';
import * as pkg from '../lib/pkg.js';

export const description = 'Use `.js` extension for `esmodule` build.';

export const commit = {
    type: 'build',
    subject: description,
};

const esmodule = (extension) => `dist/index.modern${extension}`;

export async function postcondition({readPkg, assert}) {
    const pkgjson = await readPkg();
    const devDeps = pkg.devDeps(pkgjson);
    assert(devDeps.has('microbundle'));
    assert(pkgjson.bin === undefined);
    assert(pkgjson.main === 'dist/index.cjs');

    assert(pkgjson.esmodule === esmodule('.js'));
    assert(pkgjson.exports?.['.']?.default === `./${esmodule('.js')}`);
}

export async function precondition({readPkg, assert}) {
    const pkgjson = await readPkg();
    const devDeps = pkg.devDeps(pkgjson);
    assert(devDeps.has('microbundle'));
    assert(pkgjson.bin === undefined);
    assert(pkgjson.main === 'dist/index.cjs');

    assert(pkgjson.esmodule === esmodule('.mjs'));
    assert(pkgjson.exports?.['.']?.default === `./${esmodule('.mjs')}`);
}

export async function apply({readPkg, writePkg, fixConfig, remove, install}) {
    await update({
        read: readPkg,
        write: writePkg,
        edit(pkgjson) {
            pkgjson.esmodule = esmodule('.js');
            pkgjson.exports['.'].default = `./${esmodule('.js')}`;
            return pkgjson;
        },
    });

    await remove(['dist/**']);
    await fixConfig();
    await install();
}

export const dependencies = [
    'config:lint-setup',
    'package.json:set-type-module',
    'build:microbundle-configure-outputs-esmodule',
    'build:microbundle-configure-outputs-exports',
];