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|
import type { AstroConfig, AstroIntegration } from 'astro';
import {
EnumChangefreq,
LinkItem as LinkItemBase,
simpleSitemapAndIndex,
SitemapItemLoose,
} from 'sitemap';
import { fileURLToPath } from 'url';
import { ZodError } from 'zod';
import { generateSitemap } from './generate-sitemap.js';
import { Logger } from './utils/logger.js';
import { validateOptions } from './validate-options.js';
export type ChangeFreq = EnumChangefreq;
export type SitemapItem = Pick<
SitemapItemLoose,
'url' | 'lastmod' | 'changefreq' | 'priority' | 'links'
>;
export type LinkItem = LinkItemBase;
export type SitemapOptions =
| {
filter?(page: string): boolean;
customPages?: string[];
i18n?: {
defaultLocale: string;
locales: Record<string, string>;
};
// number of entries per sitemap file
entryLimit?: number;
// sitemap specific
changefreq?: ChangeFreq;
lastmod?: Date;
priority?: number;
// called for each sitemap item just before to save them on disk, sync or async
serialize?(item: SitemapItem): SitemapItem | Promise<SitemapItem | undefined> | undefined;
}
| undefined;
function formatConfigErrorMessage(err: ZodError) {
const errorList = err.issues.map((issue) => ` ${issue.path.join('.')} ${issue.message + '.'}`);
return errorList.join('\n');
}
const PKG_NAME = '@astrojs/sitemap';
const OUTFILE = 'sitemap-index.xml';
const createPlugin = (options?: SitemapOptions): AstroIntegration => {
let config: AstroConfig;
return {
name: PKG_NAME,
hooks: {
'astro:config:done': async ({ config: cfg }) => {
config = cfg;
},
'astro:build:done': async ({ dir, pages }) => {
const logger = new Logger(PKG_NAME);
try {
const opts = validateOptions(config.site, options);
const { filter, customPages, serialize, entryLimit } = opts;
let finalSiteUrl: URL;
if (config.site) {
finalSiteUrl = new URL(config.base, config.site);
} else {
// eslint-disable-next-line no-console
console.warn(
'The Sitemap integration requires the `site` astro.config option. Skipping.'
);
return;
}
let pageUrls = pages.map((p) => {
const path = finalSiteUrl.pathname + p.pathname;
return new URL(path, finalSiteUrl).href;
});
try {
if (filter) {
pageUrls = pageUrls.filter(filter);
}
} catch (err) {
logger.error(`Error filtering pages\n${(err as any).toString()}`);
return;
}
if (customPages) {
pageUrls = [...pageUrls, ...customPages];
}
if (pageUrls.length === 0) {
// offer suggestion for SSR users
if (config.output !== 'static') {
logger.warn(
`No pages found! We can only detect sitemap routes for "static" builds. Since you are using an SSR adapter, we recommend manually listing your sitemap routes using the "customPages" integration option.\n\nExample: \`sitemap({ customPages: ['https://example.com/route'] })\``
);
} else {
logger.warn(`No pages found!\n\`${OUTFILE}\` not created.`);
}
return;
}
let urlData = generateSitemap(pageUrls, finalSiteUrl.href, opts);
if (serialize) {
try {
const serializedUrls: SitemapItem[] = [];
for (const item of urlData) {
const serialized = await Promise.resolve(serialize(item));
if (serialized) {
serializedUrls.push(serialized);
}
}
if (serializedUrls.length === 0) {
logger.warn('No pages found!');
return;
}
urlData = serializedUrls;
} catch (err) {
logger.error(`Error serializing pages\n${(err as any).toString()}`);
return;
}
}
await simpleSitemapAndIndex({
hostname: finalSiteUrl.href,
destinationDir: fileURLToPath(dir),
sourceData: urlData,
limit: entryLimit,
gzip: false,
});
logger.success(`\`${OUTFILE}\` is created.`);
} catch (err) {
if (err instanceof ZodError) {
logger.warn(formatConfigErrorMessage(err));
} else {
throw err;
}
}
},
},
};
};
export default createPlugin;
|
