114 lines
3.8 KiB
Plaintext
114 lines
3.8 KiB
Plaintext
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.streamToPromise = exports.SitemapStream = exports.closetag = exports.stylesheetInclude = void 0;
|
||
|
|
const stream_1 = require("stream");
|
||
|
|
const types_1 = require("./types");
|
||
|
|
const utils_1 = require("./utils");
|
||
|
|
const sitemap_item_stream_1 = require("./sitemap-item-stream");
|
||
|
|
const errors_1 = require("./errors");
|
||
|
|
const xmlDec = '<?xml version="1.0" encoding="UTF-8"?>';
|
||
|
|
const stylesheetInclude = (url) => {
|
||
|
|
return `<?xml-stylesheet type="text/xsl" href="${url}"?>`;
|
||
|
|
};
|
||
|
|
exports.stylesheetInclude = stylesheetInclude;
|
||
|
|
const urlsetTagStart = '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"';
|
||
|
|
const getURLSetNs = ({ news, video, image, xhtml, custom }, xslURL) => {
|
||
|
|
let ns = xmlDec;
|
||
|
|
if (xslURL) {
|
||
|
|
ns += (0, exports.stylesheetInclude)(xslURL);
|
||
|
|
}
|
||
|
|
ns += urlsetTagStart;
|
||
|
|
if (news) {
|
||
|
|
ns += ' xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"';
|
||
|
|
}
|
||
|
|
if (xhtml) {
|
||
|
|
ns += ' xmlns:xhtml="http://www.w3.org/1999/xhtml"';
|
||
|
|
}
|
||
|
|
if (image) {
|
||
|
|
ns += ' xmlns:image="http://www.google.com/schemas/sitemap-image/1.1"';
|
||
|
|
}
|
||
|
|
if (video) {
|
||
|
|
ns += ' xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"';
|
||
|
|
}
|
||
|
|
if (custom) {
|
||
|
|
ns += ' ' + custom.join(' ');
|
||
|
|
}
|
||
|
|
return ns + '>';
|
||
|
|
};
|
||
|
|
exports.closetag = '</urlset>';
|
||
|
|
const defaultXMLNS = {
|
||
|
|
news: true,
|
||
|
|
xhtml: true,
|
||
|
|
image: true,
|
||
|
|
video: true,
|
||
|
|
};
|
||
|
|
const defaultStreamOpts = {
|
||
|
|
xmlns: defaultXMLNS,
|
||
|
|
};
|
||
|
|
/**
|
||
|
|
* A [Transform](https://nodejs.org/api/stream.html#stream_implementing_a_transform_stream)
|
||
|
|
* for turning a
|
||
|
|
* [Readable stream](https://nodejs.org/api/stream.html#stream_readable_streams)
|
||
|
|
* of either [SitemapItemOptions](#sitemap-item-options) or url strings into a
|
||
|
|
* Sitemap. The readable stream it transforms **must** be in object mode.
|
||
|
|
*/
|
||
|
|
class SitemapStream extends stream_1.Transform {
|
||
|
|
constructor(opts = defaultStreamOpts) {
|
||
|
|
opts.objectMode = true;
|
||
|
|
super(opts);
|
||
|
|
this.hasHeadOutput = false;
|
||
|
|
this.hostname = opts.hostname;
|
||
|
|
this.level = opts.level || types_1.ErrorLevel.WARN;
|
||
|
|
this.errorHandler = opts.errorHandler;
|
||
|
|
this.smiStream = new sitemap_item_stream_1.SitemapItemStream({ level: opts.level });
|
||
|
|
this.smiStream.on('data', (data) => this.push(data));
|
||
|
|
this.lastmodDateOnly = opts.lastmodDateOnly || false;
|
||
|
|
this.xmlNS = opts.xmlns || defaultXMLNS;
|
||
|
|
this.xslUrl = opts.xslUrl;
|
||
|
|
}
|
||
|
|
_transform(item, encoding, callback) {
|
||
|
|
if (!this.hasHeadOutput) {
|
||
|
|
this.hasHeadOutput = true;
|
||
|
|
this.push(getURLSetNs(this.xmlNS, this.xslUrl));
|
||
|
|
}
|
||
|
|
this.smiStream.write((0, utils_1.validateSMIOptions)((0, utils_1.normalizeURL)(item, this.hostname, this.lastmodDateOnly), this.level, this.errorHandler));
|
||
|
|
callback();
|
||
|
|
}
|
||
|
|
_flush(cb) {
|
||
|
|
if (!this.hasHeadOutput) {
|
||
|
|
cb(new errors_1.EmptySitemap());
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
this.push(exports.closetag);
|
||
|
|
cb();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.SitemapStream = SitemapStream;
|
||
|
|
/**
|
||
|
|
* Takes a stream returns a promise that resolves when stream emits finish
|
||
|
|
* @param stream what you want wrapped in a promise
|
||
|
|
*/
|
||
|
|
function streamToPromise(stream) {
|
||
|
|
return new Promise((resolve, reject) => {
|
||
|
|
const drain = [];
|
||
|
|
stream
|
||
|
|
.pipe(new stream_1.Writable({
|
||
|
|
write(chunk, enc, next) {
|
||
|
|
drain.push(chunk);
|
||
|
|
next();
|
||
|
|
},
|
||
|
|
}))
|
||
|
|
.on('error', reject)
|
||
|
|
.on('finish', () => {
|
||
|
|
if (!drain.length) {
|
||
|
|
reject(new errors_1.EmptyStream());
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve(Buffer.concat(drain));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
exports.streamToPromise = streamToPromise;
|