aureooms/rejuvenate

import replace from '../lib/text/replace.js';
import find from '../lib/text/find.js';

export const description =
    'Replace david-dm dependencies badge by libraries.io.';

export const commit = {
    type: 'docs',
    scope: 'README.md',
    subject: description,
};

const filename = 'README.md';
const needle = (
    repository,
) => `[![Dependencies](https://img.shields.io/david/${repository}.svg)](https://david-dm.org/${repository})
[![Dev dependencies](https://img.shields.io/david/dev/${repository}.svg)](https://david-dm.org/${repository}?type=dev)`;
const replacement = (repository) =>
    `[![Dependencies](https://img.shields.io/librariesio/github/${repository}.svg)](https://github.com/${repository}/network/dependencies)`;

const slug = ({url}) => url.match(/\/([^/]+\/[^/]+)$/)[1];

export async function postcondition({readPkg, read, assert}) {
    const {repository} = await readPkg();
    const repo = slug(repository);
    const found = await find([needle(repo)], [filename], {
        read,
        method: find.exact,
    });
    assert(!found);
}

export async function precondition({readPkg, read, assert}) {
    const {repository} = await readPkg();
    const repo = slug(repository);
    const found = await find([needle(repo)], [filename], {
        read,
        method: find.exact,
    });
    assert(found);
}

export async function apply({readPkg, read, write}) {
    const {repository} = await readPkg();
    const repo = slug(repository);
    const operations = [[needle(repo), () => replacement(repo)]];
    await replace(operations, [filename], {read, write, method: replace.all});
}