all repos — h3 @ a10856afd1e8a04af2a7f9914b657984a56787a5

A tiny, extremely minimalist JavaScript microframework.

docs/example/assets/js/components/Paginator.js

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import { h3, h } from "../h3.js";

export default function Paginator() {
    const hash = window.location.hash;
    let { page, pagesize, filteredTodos } = h3.state;
    let total = filteredTodos.length;
    if (h3.route.params.page) {
        page = parseInt(h3.route.params.page);
    }
    // Recalculate page in case data is filtered.
    page = Math.min(Math.ceil(filteredTodos.length / pagesize), page) || 1;
    h3.dispatch("pages/set", page);
    const pages = Math.ceil(total / pagesize) || 1;
    const previousClass = page > 1 ? ".link" : ".disabled";
    const nextClass = page < pages ? ".link" : ".disabled";
    const setPage = (value) => {
        const page = h3.state.page;
        const newPage = page + value;
        h3.dispatch("pages/set", newPage);
        h3.navigateTo("/", { page: newPage });
    };
    return h("div.paginator", [
        h(
            `span.previous-page${previousClass}`,
            {
                onclick: () => setPage(-1),
            },
            ["←"]
        ),
        h("span.current-page", [`${String(page)}/${String(pages)}`]),
        h(
            `span.next-page${nextClass}`,
            {
                onclick: () => setPage(+1),
            },
            ["→"]
        ),
    ]);
}