export const buildDict = (fn, ...args) => {
    const dict = {};
    for (let [key, value] of fn(...args)) {
        dict[key] = value;
    }
    return dict;
}

export const buildList = (fn, ...args) => {
    const list = [];
    for (let value of fn(...args)) {
        list.push(value);
    }
    return list;
}

export const head = ({title, description, banner}) => {
    const meta = { meta: [] };

    if (title) {
        title += ' • Zaimki.pl';
        meta.title = title;
        meta.meta.push({ hid: 'og:title', property: 'og:title', content: title });
        meta.meta.push({ hid: 'twitter:title', property: 'twitter:title', content: title });
    }

    if (description) {
        meta.meta.push({ hid: 'description', name: 'description', content: description });
        meta.meta.push({ hid: 'og:description', property: 'og:description', content: description });
        meta.meta.push({ hid: 'twitter:description', property: 'twitter:description', content: description });
    }

    if (banner) {
        banner = process.env.baseUrl + '/' + banner;
        meta.meta.push({ hid: 'og:logo', property: 'og:logo', content: banner });
        meta.meta.push({ hid: 'twitter:image', property: 'twitter:image', content: banner });
    }

    return meta;
}