@docusaurus/plugin-content-docs/lib/order.js

Docs content plugin for Docusaurus

"use strict";
/**
 * Copyright (c) 2017-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
Object.defineProperty(exports, "__esModule", { value: true });
// Build the docs meta such as next, previous, category and sidebar.
function createOrder(allSidebars = {}) {
    const order = {};
    Object.keys(allSidebars).forEach(sidebarId => {
        const sidebar = allSidebars[sidebarId];
        const ids = [];
        const indexItems = ({ items }) => {
            items.forEach(item => {
                switch (item.type) {
                    case 'category':
                        indexItems({
                            items: item.items,
                        });
                        break;
                    case 'ref':
                    case 'link':
                        // Refs and links should not be shown in navigation.
                        break;
                    case 'doc':
                        ids.push(item.id);
                        break;
                }
            });
        };
        indexItems({ items: sidebar });
        // eslint-disable-next-line
        for (let i = 0; i < ids.length; i++) {
            const id = ids[i];
            let previous;
            let next;
            if (i > 0) {
                previous = ids[i - 1];
            }
            if (i < ids.length - 1) {
                next = ids[i + 1];
            }
            order[id] = {
                previous,
                next,
                sidebar: sidebarId,
            };
        }
    });
    return order;
}
exports.default = createOrder;