@benpsnyder/analogjs-esm-vite-plugin-nitro/src/lib/build-sitemap.js

A Vite plugin for adding a nitro API server

import { writeFileSync } from 'node:fs';
import { create } from 'xmlbuilder2';
import { resolve } from 'node:path';
export async function buildSitemap(config, sitemapConfig, routes, outputDir, routeSitemaps) {
    const routeList = await optionHasRoutes(routes);
    if (routeList.length) {
        const slash = checkSlash(sitemapConfig.host || '');
        const sitemapData = routeList.map((page) => {
            const url = `${slash}${page.replace(/^\/+/g, '')}`;
            const config = routeSitemaps[url];
            const props = typeof config === 'object' ? config : config?.();
            return {
                page: `${sitemapConfig.host}${url}`,
                lastMod: props?.lastmod ?? new Date().toISOString().split('T')[0],
                changefreq: props?.changefreq,
                priority: props?.priority,
            };
        });
        const sitemap = createXml('urlset');
        for (const item of sitemapData) {
            const page = sitemap.ele('url');
            page.ele('loc').txt(item.page);
            page.ele('lastmod').txt(item.lastMod);
            if (item.changefreq) {
                page.ele('changefreq').txt(item.changefreq);
            }
            if (item.priority) {
                page.ele('priority').txt(item.priority);
            }
        }
        const mapPath = `${resolve(outputDir)}/sitemap.xml`;
        try {
            console.log(`Writing sitemap at ${mapPath}`);
            writeFileSync(mapPath, sitemap.end({ prettyPrint: true }));
        }
        catch (e) {
            console.error(`Unable to write file at ${mapPath}`, e);
        }
    }
}
function createXml(elementName) {
    return create({ version: '1.0', encoding: 'UTF-8' })
        .ele(elementName, {
        xmlns: 'https://www.sitemaps.org/schemas/sitemap/0.9',
    })
        .com(`This file was automatically generated by Analog.`);
}
function checkSlash(host) {
    const finalChar = host.slice(-1);
    return finalChar === '/' ? '' : '/';
}
async function optionHasRoutes(routes) {
    let routeList;
    if (typeof routes === 'function') {
        // returns an array or undefined
        routeList = await routes();
    }
    else if (Array.isArray(routes)) {
        // returns an array of strings
        routeList = routes;
    }
    else {
        // default it to an empty of array
        routeList = [];
    }
    return routeList.filter(Boolean);
}
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