element-book/dist/routing/book-router.js

An [`element-vir`](https://npmjs.com/package/element-vir) drop-in element for building, testing, and demonstrating a collection of elements (or, in other words, a design system).

import { check } from '@augment-vir/assert';
import { SpaRouter } from 'spa-router-vir';
import { BookMainRoute, defaultBookFullRoute } from './book-routing.js';
export function createBookRouter(basePath) {
    return new SpaRouter({
        basePath,
        sanitizeRoute(rawRoute) {
            const sanitizedPaths = sanitizePaths(rawRoute.paths);
            return {
                paths: sanitizedPaths,
                hash: undefined,
                search: undefined,
            };
        },
    });
}
function sanitizePaths(paths) {
    const firstPath = paths[0];
    if (!check.isEnumValue(firstPath, BookMainRoute)) {
        return defaultBookFullRoute.paths;
    }
    else if (firstPath === BookMainRoute.Book) {
        return [
            BookMainRoute.Book,
            ...paths.slice(1),
        ];
    }
    else if (firstPath === BookMainRoute.Search) {
        if (!paths[1]) {
            return [
                BookMainRoute.Book,
                ...paths.slice(1),
            ];
        }
        return [
            firstPath,
            paths[1],
        ];
    }
    else {
        throw new Error(`Route path not handled for sanitization: ${paths.join('/')}`);
    }
}