svelte-ux/stores/paginationStore.js

- Increment version in `package.json` and commit as `Version bump to x.y.z` - `npm run publish`

import { writable } from 'svelte/store';
export default function paginationStore(props) {
    var _a, _b, _c;
    const page = (_a = props === null || props === void 0 ? void 0 : props.page) !== null && _a !== void 0 ? _a : 1;
    const perPage = (_b = props === null || props === void 0 ? void 0 : props.perPage) !== null && _b !== void 0 ? _b : 25;
    const total = (_c = props === null || props === void 0 ? void 0 : props.total) !== null && _c !== void 0 ? _c : 0;
    const state = writable(createState(page, perPage, total));
    return {
        subscribe: state.subscribe,
        nextPage() {
            state.update((state) => createState(state.page + 1, state.perPage, state.total));
        },
        prevPage() {
            state.update((state) => createState(state.page - 1, state.perPage, state.total));
        },
        firstPage() {
            state.update((state) => createState(1, state.perPage, state.total));
        },
        lastPage() {
            state.update((state) => createState(Math.ceil(state.total / state.perPage), state.perPage, state.total));
        },
        setPage(page) {
            state.update((state) => createState(page, state.perPage, state.total));
        },
        setPerPage(perPage) {
            state.update((state) => createState(state.page, perPage, state.total));
        },
        setTotal(total) {
            state.update((state) => createState(state.page, state.perPage, total));
        },
    };
}
function createState(page, perPage, total) {
    const totalPages = Math.ceil(total / perPage);
    return {
        page,
        perPage,
        total,
        from: (page - 1) * perPage + 1,
        to: Math.min(total, page * perPage),
        totalPages,
        isFirst: page === 1,
        isLast: page === totalPages || totalPages === 0,
        hasPrevious: totalPages > 1 && page > 1,
        hasNext: page < totalPages,
        slice(items) {
            return items.slice((page - 1) * perPage, page * perPage);
        },
    };
}