Initial commit: New MoreminiMore website with fresh design
This commit is contained in:
MoreminiMore
779
node_modules/sitemap/dist/esm/lib/sitemap-parser.js
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vendored
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779
node_modules/sitemap/dist/esm/lib/sitemap-parser.js
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import sax from 'sax';
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import { Transform, } from 'node:stream';
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import { ErrorLevel, TagNames, } from './types.js';
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import { isValidChangeFreq, isValidYesNo, isAllowDeny, isPriceType, isResolution, } from './validation.js';
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import { LIMITS } from './constants.js';
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function isValidTagName(tagName) {
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// This only works because the enum name and value are the same
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return tagName in TagNames;
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}
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function getAttrValue(attr) {
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if (!attr)
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return undefined;
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return typeof attr === 'string' ? attr : attr.value;
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}
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function tagTemplate() {
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return {
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img: [],
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video: [],
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links: [],
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url: '',
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};
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}
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function videoTemplate() {
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return {
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tag: [],
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thumbnail_loc: '',
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title: '',
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description: '',
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};
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}
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const imageTemplate = {
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url: '',
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};
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const linkTemplate = {
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lang: '',
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url: '',
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};
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function newsTemplate() {
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return {
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publication: { name: '', language: '' },
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publication_date: '',
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title: '',
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};
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}
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const defaultLogger = (level, ...message) => console[level](...message);
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const defaultStreamOpts = {
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logger: defaultLogger,
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};
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// TODO does this need to end with `options`
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/**
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* Takes a stream of xml and transforms it into a stream of SitemapItems
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* Use this to parse existing sitemaps into config options compatible with this library
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*/
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export class XMLToSitemapItemStream extends Transform {
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level;
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logger;
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/**
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* Errors encountered during parsing, capped at LIMITS.MAX_PARSER_ERRORS entries
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* to prevent memory DoS from malformed XML (BB-03).
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* Use errorCount for the total number of errors regardless of the cap.
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*/
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errors;
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/** Total number of errors seen, including those beyond the stored cap. */
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errorCount;
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saxStream;
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urlCount;
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constructor(opts = defaultStreamOpts) {
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opts.objectMode = true;
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super(opts);
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this.errors = [];
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this.errorCount = 0;
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this.urlCount = 0;
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this.saxStream = sax.createStream(true, {
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xmlns: true,
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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strictEntities: true,
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trim: true,
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});
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this.level = opts.level || ErrorLevel.WARN;
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if (this.level !== ErrorLevel.SILENT && opts.logger !== false) {
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this.logger = opts.logger ?? defaultLogger;
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}
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else {
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this.logger = () => undefined;
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}
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let currentItem = tagTemplate();
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let currentTag;
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let currentVideo = videoTemplate();
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let currentImage = { ...imageTemplate };
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let currentLink = { ...linkTemplate };
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let dontpushCurrentLink = false;
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this.saxStream.on('opentagstart', (tag) => {
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currentTag = tag.name;
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if (currentTag.startsWith('news:') && !currentItem.news) {
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currentItem.news = newsTemplate();
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}
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});
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this.saxStream.on('opentag', (tag) => {
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if (isValidTagName(tag.name)) {
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if (tag.name === 'xhtml:link') {
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// SAX returns attributes as objects with {name, value, prefix, local, uri}
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// Check if required attributes exist and have values
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const rel = getAttrValue(tag.attributes.rel);
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const href = getAttrValue(tag.attributes.href);
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const hreflang = getAttrValue(tag.attributes.hreflang);
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if (!rel || !href) {
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this.logger('warn', 'xhtml:link missing required rel or href attribute');
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this.err('xhtml:link missing required rel or href attribute');
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return;
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}
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if (rel === 'alternate' && hreflang) {
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currentLink.url = href;
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currentLink.lang = hreflang;
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}
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else if (rel === 'alternate') {
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dontpushCurrentLink = true;
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currentItem.androidLink = href;
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}
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else if (rel === 'amphtml') {
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dontpushCurrentLink = true;
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currentItem.ampLink = href;
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}
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else {
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this.logger('log', 'unhandled attr for xhtml:link', tag.attributes);
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this.err(`unhandled attr for xhtml:link ${JSON.stringify(tag.attributes)}`);
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}
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}
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}
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else {
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this.logger('warn', 'unhandled tag', tag.name);
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this.err(`unhandled tag: ${tag.name}`);
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}
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});
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this.saxStream.on('text', (text) => {
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switch (currentTag) {
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case 'mobile:mobile':
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break;
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case TagNames.loc:
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// Validate URL
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if (text.length > LIMITS.MAX_URL_LENGTH) {
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this.logger('warn', `URL exceeds max length of ${LIMITS.MAX_URL_LENGTH}: ${text.substring(0, 100)}...`);
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this.err(`URL exceeds max length of ${LIMITS.MAX_URL_LENGTH}`);
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}
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else if (!LIMITS.URL_PROTOCOL_REGEX.test(text)) {
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this.logger('warn', `URL must start with http:// or https://: ${text}`);
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this.err(`URL must start with http:// or https://: ${text}`);
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}
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else {
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currentItem.url = text;
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}
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break;
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case TagNames.changefreq:
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if (isValidChangeFreq(text)) {
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currentItem.changefreq = text;
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}
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break;
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case TagNames.priority:
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{
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const priority = parseFloat(text);
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if (isNaN(priority) ||
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!isFinite(priority) ||
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priority < 0 ||
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priority > 1) {
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this.logger('warn', `Invalid priority "${text}" - must be between 0 and 1`);
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this.err(`Invalid priority "${text}" - must be between 0 and 1`);
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}
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else {
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currentItem.priority = priority;
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}
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}
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break;
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case TagNames.lastmod:
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if (LIMITS.ISO_DATE_REGEX.test(text)) {
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currentItem.lastmod = text;
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}
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else {
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this.logger('warn', `Invalid lastmod date format "${text}" - expected ISO 8601 format`);
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this.err(`Invalid lastmod date format "${text}" - expected ISO 8601 format`);
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}
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break;
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case TagNames['video:thumbnail_loc']:
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currentVideo.thumbnail_loc = text;
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break;
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case TagNames['video:tag']:
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if (currentVideo.tag.length < LIMITS.MAX_TAGS_PER_VIDEO) {
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currentVideo.tag.push(text);
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}
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else {
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this.logger('warn', `video has too many tags (max ${LIMITS.MAX_TAGS_PER_VIDEO})`);
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this.err(`video has too many tags (max ${LIMITS.MAX_TAGS_PER_VIDEO})`);
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}
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break;
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case TagNames['video:duration']:
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{
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const duration = parseInt(text, 10);
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if (isNaN(duration) ||
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!isFinite(duration) ||
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duration < 0 ||
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duration > 28800) {
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this.logger('warn', `Invalid video duration "${text}" - must be between 0 and 28800 seconds`);
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this.err(`Invalid video duration "${text}" - must be between 0 and 28800 seconds`);
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}
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else {
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currentVideo.duration = duration;
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}
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}
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break;
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case TagNames['video:player_loc']:
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currentVideo.player_loc = text;
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break;
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case TagNames['video:content_loc']:
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currentVideo.content_loc = text;
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break;
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case TagNames['video:requires_subscription']:
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if (isValidYesNo(text)) {
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currentVideo.requires_subscription = text;
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}
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break;
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case TagNames['video:publication_date']:
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if (LIMITS.ISO_DATE_REGEX.test(text)) {
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currentVideo.publication_date = text;
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}
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else {
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this.logger('warn', `Invalid video publication_date format "${text}" - expected ISO 8601 format`);
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this.err(`Invalid video publication_date format "${text}" - expected ISO 8601 format`);
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}
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break;
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case TagNames['video:id']:
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currentVideo.id = text;
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break;
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case TagNames['video:restriction']:
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currentVideo.restriction = text;
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break;
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case TagNames['video:view_count']:
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{
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const viewCount = parseInt(text, 10);
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if (isNaN(viewCount) || !isFinite(viewCount) || viewCount < 0) {
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this.logger('warn', `Invalid video view_count "${text}" - must be a positive integer`);
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this.err(`Invalid video view_count "${text}" - must be a positive integer`);
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}
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else {
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currentVideo.view_count = viewCount;
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}
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}
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break;
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case TagNames['video:uploader']:
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currentVideo.uploader = text;
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break;
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case TagNames['video:family_friendly']:
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if (isValidYesNo(text)) {
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currentVideo.family_friendly = text;
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}
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break;
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case TagNames['video:expiration_date']:
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if (LIMITS.ISO_DATE_REGEX.test(text)) {
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currentVideo.expiration_date = text;
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}
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else {
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this.logger('warn', `Invalid video expiration_date format "${text}" - expected ISO 8601 format`);
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this.err(`Invalid video expiration_date format "${text}" - expected ISO 8601 format`);
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}
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break;
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case TagNames['video:platform']:
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currentVideo.platform = text;
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break;
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case TagNames['video:price']:
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currentVideo.price = text;
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break;
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case TagNames['video:rating']:
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{
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const rating = parseFloat(text);
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if (isNaN(rating) ||
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!isFinite(rating) ||
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rating < 0 ||
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rating > 5) {
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this.logger('warn', `Invalid video rating "${text}" - must be between 0 and 5`);
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this.err(`Invalid video rating "${text}" - must be between 0 and 5`);
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}
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else {
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currentVideo.rating = rating;
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}
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}
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break;
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case TagNames['video:category']:
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currentVideo.category = text;
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break;
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case TagNames['video:live']:
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if (isValidYesNo(text)) {
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currentVideo.live = text;
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}
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break;
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case TagNames['video:gallery_loc']:
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currentVideo.gallery_loc = text;
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break;
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case TagNames['image:loc']:
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currentImage.url = text;
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break;
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case TagNames['image:geo_location']:
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currentImage.geoLocation = text;
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break;
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case TagNames['image:license']:
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currentImage.license = text;
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break;
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case TagNames['news:access']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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if (text === 'Registration' || text === 'Subscription') {
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currentItem.news.access = text;
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}
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else {
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this.logger('warn', `Invalid news:access value "${text}" - must be "Registration" or "Subscription"`);
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this.err(`Invalid news:access value "${text}" - must be "Registration" or "Subscription"`);
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}
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break;
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case TagNames['news:genres']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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currentItem.news.genres = text;
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break;
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case TagNames['news:publication_date']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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if (LIMITS.ISO_DATE_REGEX.test(text)) {
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currentItem.news.publication_date = text;
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}
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else {
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this.logger('warn', `Invalid news publication_date format "${text}" - expected ISO 8601 format`);
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this.err(`Invalid news publication_date format "${text}" - expected ISO 8601 format`);
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}
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break;
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case TagNames['news:keywords']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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currentItem.news.keywords = text;
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break;
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case TagNames['news:stock_tickers']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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currentItem.news.stock_tickers = text;
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break;
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case TagNames['news:language']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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currentItem.news.publication.language = text;
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break;
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case TagNames['video:title']:
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if (currentVideo.title.length + text.length <=
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LIMITS.MAX_VIDEO_TITLE_LENGTH) {
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currentVideo.title += text;
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}
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else {
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this.logger('warn', `video title exceeds max length of ${LIMITS.MAX_VIDEO_TITLE_LENGTH}`);
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this.err(`video title exceeds max length of ${LIMITS.MAX_VIDEO_TITLE_LENGTH}`);
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}
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break;
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case TagNames['video:description']:
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if (currentVideo.description.length + text.length <=
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LIMITS.MAX_VIDEO_DESCRIPTION_LENGTH) {
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currentVideo.description += text;
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}
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else {
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this.logger('warn', `video description exceeds max length of ${LIMITS.MAX_VIDEO_DESCRIPTION_LENGTH}`);
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this.err(`video description exceeds max length of ${LIMITS.MAX_VIDEO_DESCRIPTION_LENGTH}`);
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}
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break;
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case TagNames['news:name']:
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if (!currentItem.news) {
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currentItem.news = newsTemplate();
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}
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if (currentItem.news.publication.name.length + text.length <=
|
||||
LIMITS.MAX_NEWS_NAME_LENGTH) {
|
||||
currentItem.news.publication.name += text;
|
||||
}
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else {
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this.logger('warn', `news name exceeds max length of ${LIMITS.MAX_NEWS_NAME_LENGTH}`);
|
||||
this.err(`news name exceeds max length of ${LIMITS.MAX_NEWS_NAME_LENGTH}`);
|
||||
}
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||||
break;
|
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case TagNames['news:title']:
|
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if (!currentItem.news) {
|
||||
currentItem.news = newsTemplate();
|
||||
}
|
||||
if (currentItem.news.title.length + text.length <=
|
||||
LIMITS.MAX_NEWS_TITLE_LENGTH) {
|
||||
currentItem.news.title += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `news title exceeds max length of ${LIMITS.MAX_NEWS_TITLE_LENGTH}`);
|
||||
this.err(`news title exceeds max length of ${LIMITS.MAX_NEWS_TITLE_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['image:caption']:
|
||||
if (!currentImage.caption) {
|
||||
currentImage.caption =
|
||||
text.length <= LIMITS.MAX_IMAGE_CAPTION_LENGTH
|
||||
? text
|
||||
: text.substring(0, LIMITS.MAX_IMAGE_CAPTION_LENGTH);
|
||||
if (text.length > LIMITS.MAX_IMAGE_CAPTION_LENGTH) {
|
||||
this.logger('warn', `image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
this.err(`image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
}
|
||||
}
|
||||
else if (currentImage.caption.length + text.length <=
|
||||
LIMITS.MAX_IMAGE_CAPTION_LENGTH) {
|
||||
currentImage.caption += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
this.err(`image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['image:title']:
|
||||
if (!currentImage.title) {
|
||||
currentImage.title =
|
||||
text.length <= LIMITS.MAX_IMAGE_TITLE_LENGTH
|
||||
? text
|
||||
: text.substring(0, LIMITS.MAX_IMAGE_TITLE_LENGTH);
|
||||
if (text.length > LIMITS.MAX_IMAGE_TITLE_LENGTH) {
|
||||
this.logger('warn', `image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
this.err(`image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
}
|
||||
}
|
||||
else if (currentImage.title.length + text.length <=
|
||||
LIMITS.MAX_IMAGE_TITLE_LENGTH) {
|
||||
currentImage.title += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
this.err(`image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
this.logger('log', 'unhandled text for tag:', currentTag, `'${text}'`);
|
||||
this.err(`unhandled text for tag: ${currentTag} '${text}'`);
|
||||
break;
|
||||
}
|
||||
});
|
||||
this.saxStream.on('cdata', (text) => {
|
||||
switch (currentTag) {
|
||||
case TagNames.loc:
|
||||
// Validate URL
|
||||
if (text.length > LIMITS.MAX_URL_LENGTH) {
|
||||
this.logger('warn', `URL exceeds max length of ${LIMITS.MAX_URL_LENGTH}: ${text.substring(0, 100)}...`);
|
||||
this.err(`URL exceeds max length of ${LIMITS.MAX_URL_LENGTH}`);
|
||||
}
|
||||
else if (!LIMITS.URL_PROTOCOL_REGEX.test(text)) {
|
||||
this.logger('warn', `URL must start with http:// or https://: ${text}`);
|
||||
this.err(`URL must start with http:// or https://: ${text}`);
|
||||
}
|
||||
else {
|
||||
currentItem.url = text;
|
||||
}
|
||||
break;
|
||||
case TagNames['image:loc']:
|
||||
currentImage.url = text;
|
||||
break;
|
||||
case TagNames['video:title']:
|
||||
if (currentVideo.title.length + text.length <=
|
||||
LIMITS.MAX_VIDEO_TITLE_LENGTH) {
|
||||
currentVideo.title += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `video title exceeds max length of ${LIMITS.MAX_VIDEO_TITLE_LENGTH}`);
|
||||
this.err(`video title exceeds max length of ${LIMITS.MAX_VIDEO_TITLE_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['video:description']:
|
||||
if (currentVideo.description.length + text.length <=
|
||||
LIMITS.MAX_VIDEO_DESCRIPTION_LENGTH) {
|
||||
currentVideo.description += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `video description exceeds max length of ${LIMITS.MAX_VIDEO_DESCRIPTION_LENGTH}`);
|
||||
this.err(`video description exceeds max length of ${LIMITS.MAX_VIDEO_DESCRIPTION_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['news:name']:
|
||||
if (!currentItem.news) {
|
||||
currentItem.news = newsTemplate();
|
||||
}
|
||||
if (currentItem.news.publication.name.length + text.length <=
|
||||
LIMITS.MAX_NEWS_NAME_LENGTH) {
|
||||
currentItem.news.publication.name += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `news name exceeds max length of ${LIMITS.MAX_NEWS_NAME_LENGTH}`);
|
||||
this.err(`news name exceeds max length of ${LIMITS.MAX_NEWS_NAME_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['news:title']:
|
||||
if (!currentItem.news) {
|
||||
currentItem.news = newsTemplate();
|
||||
}
|
||||
if (currentItem.news.title.length + text.length <=
|
||||
LIMITS.MAX_NEWS_TITLE_LENGTH) {
|
||||
currentItem.news.title += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `news title exceeds max length of ${LIMITS.MAX_NEWS_TITLE_LENGTH}`);
|
||||
this.err(`news title exceeds max length of ${LIMITS.MAX_NEWS_TITLE_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['image:caption']:
|
||||
if (!currentImage.caption) {
|
||||
currentImage.caption =
|
||||
text.length <= LIMITS.MAX_IMAGE_CAPTION_LENGTH
|
||||
? text
|
||||
: text.substring(0, LIMITS.MAX_IMAGE_CAPTION_LENGTH);
|
||||
if (text.length > LIMITS.MAX_IMAGE_CAPTION_LENGTH) {
|
||||
this.logger('warn', `image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
this.err(`image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
}
|
||||
}
|
||||
else if (currentImage.caption.length + text.length <=
|
||||
LIMITS.MAX_IMAGE_CAPTION_LENGTH) {
|
||||
currentImage.caption += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
this.err(`image caption exceeds max length of ${LIMITS.MAX_IMAGE_CAPTION_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['image:title']:
|
||||
if (!currentImage.title) {
|
||||
currentImage.title =
|
||||
text.length <= LIMITS.MAX_IMAGE_TITLE_LENGTH
|
||||
? text
|
||||
: text.substring(0, LIMITS.MAX_IMAGE_TITLE_LENGTH);
|
||||
if (text.length > LIMITS.MAX_IMAGE_TITLE_LENGTH) {
|
||||
this.logger('warn', `image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
this.err(`image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
}
|
||||
}
|
||||
else if (currentImage.title.length + text.length <=
|
||||
LIMITS.MAX_IMAGE_TITLE_LENGTH) {
|
||||
currentImage.title += text;
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
this.err(`image title exceeds max length of ${LIMITS.MAX_IMAGE_TITLE_LENGTH}`);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
this.logger('log', 'unhandled cdata for tag:', currentTag);
|
||||
this.err(`unhandled cdata for tag: ${currentTag}`);
|
||||
break;
|
||||
}
|
||||
});
|
||||
this.saxStream.on('attribute', (attr) => {
|
||||
switch (currentTag) {
|
||||
case TagNames['urlset']:
|
||||
case TagNames['xhtml:link']:
|
||||
case TagNames['video:id']:
|
||||
break;
|
||||
case TagNames['video:restriction']:
|
||||
if (attr.name === 'relationship' && isAllowDeny(attr.value)) {
|
||||
currentVideo['restriction:relationship'] = attr.value;
|
||||
}
|
||||
else {
|
||||
this.logger('log', 'unhandled attr', currentTag, attr.name);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['video:price']:
|
||||
if (attr.name === 'type' && isPriceType(attr.value)) {
|
||||
currentVideo['price:type'] = attr.value;
|
||||
}
|
||||
else if (attr.name === 'currency') {
|
||||
currentVideo['price:currency'] = attr.value;
|
||||
}
|
||||
else if (attr.name === 'resolution' && isResolution(attr.value)) {
|
||||
currentVideo['price:resolution'] = attr.value;
|
||||
}
|
||||
else {
|
||||
this.logger('log', 'unhandled attr for video:price', attr.name);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['video:player_loc']:
|
||||
if (attr.name === 'autoplay') {
|
||||
currentVideo['player_loc:autoplay'] = attr.value;
|
||||
}
|
||||
else if (attr.name === 'allow_embed' && isValidYesNo(attr.value)) {
|
||||
currentVideo['player_loc:allow_embed'] = attr.value;
|
||||
}
|
||||
else {
|
||||
this.logger('log', 'unhandled attr for video:player_loc', attr.name);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['video:platform']:
|
||||
if (attr.name === 'relationship' && isAllowDeny(attr.value)) {
|
||||
currentVideo['platform:relationship'] = attr.value;
|
||||
}
|
||||
else {
|
||||
this.logger('log', 'unhandled attr for video:platform', attr.name, attr.value);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name} ${attr.value}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['video:gallery_loc']:
|
||||
if (attr.name === 'title') {
|
||||
currentVideo['gallery_loc:title'] = attr.value;
|
||||
}
|
||||
else {
|
||||
this.logger('log', 'unhandled attr for video:galler_loc', attr.name);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name}`);
|
||||
}
|
||||
break;
|
||||
case TagNames['video:uploader']:
|
||||
if (attr.name === 'info') {
|
||||
currentVideo['uploader:info'] = attr.value;
|
||||
}
|
||||
else {
|
||||
this.logger('log', 'unhandled attr for video:uploader', attr.name);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name}`);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
this.logger('log', 'unhandled attr', currentTag, attr.name);
|
||||
this.err(`unhandled attr: ${currentTag} ${attr.name}`);
|
||||
}
|
||||
});
|
||||
this.saxStream.on('closetag', (tag) => {
|
||||
switch (tag) {
|
||||
case TagNames.url:
|
||||
this.urlCount++;
|
||||
if (this.urlCount > LIMITS.MAX_URL_ENTRIES) {
|
||||
this.logger('error', `Sitemap exceeds maximum of ${LIMITS.MAX_URL_ENTRIES} URLs`);
|
||||
this.err(`Sitemap exceeds maximum of ${LIMITS.MAX_URL_ENTRIES} URLs`);
|
||||
currentItem = tagTemplate();
|
||||
break;
|
||||
}
|
||||
this.push(currentItem);
|
||||
currentItem = tagTemplate();
|
||||
break;
|
||||
case TagNames['video:video']:
|
||||
if (currentItem.video.length < LIMITS.MAX_VIDEOS_PER_URL) {
|
||||
currentItem.video.push(currentVideo);
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `URL has too many videos (max ${LIMITS.MAX_VIDEOS_PER_URL})`);
|
||||
this.err(`URL has too many videos (max ${LIMITS.MAX_VIDEOS_PER_URL})`);
|
||||
}
|
||||
currentVideo = videoTemplate();
|
||||
break;
|
||||
case TagNames['image:image']:
|
||||
if (currentItem.img.length < LIMITS.MAX_IMAGES_PER_URL) {
|
||||
currentItem.img.push(currentImage);
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `URL has too many images (max ${LIMITS.MAX_IMAGES_PER_URL})`);
|
||||
this.err(`URL has too many images (max ${LIMITS.MAX_IMAGES_PER_URL})`);
|
||||
}
|
||||
currentImage = { ...imageTemplate };
|
||||
break;
|
||||
case TagNames['xhtml:link']:
|
||||
if (!dontpushCurrentLink) {
|
||||
if (currentItem.links.length < LIMITS.MAX_LINKS_PER_URL) {
|
||||
currentItem.links.push(currentLink);
|
||||
}
|
||||
else {
|
||||
this.logger('warn', `URL has too many links (max ${LIMITS.MAX_LINKS_PER_URL})`);
|
||||
this.err(`URL has too many links (max ${LIMITS.MAX_LINKS_PER_URL})`);
|
||||
}
|
||||
}
|
||||
currentLink = { ...linkTemplate };
|
||||
dontpushCurrentLink = false; // Reset flag for next link
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
});
|
||||
}
|
||||
_transform(data, encoding, callback) {
|
||||
try {
|
||||
const cb = () => callback(this.level === ErrorLevel.THROW && this.errors.length > 0
|
||||
? this.errors[0]
|
||||
: null);
|
||||
// correcting the type here can be done without making it a breaking change
|
||||
// TODO fix this
|
||||
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
|
||||
// @ts-ignore
|
||||
if (!this.saxStream.write(data, encoding)) {
|
||||
this.saxStream.once('drain', cb);
|
||||
}
|
||||
else {
|
||||
process.nextTick(cb);
|
||||
}
|
||||
}
|
||||
catch (error) {
|
||||
callback(error);
|
||||
}
|
||||
}
|
||||
err(msg) {
|
||||
this.errorCount++;
|
||||
if (this.errors.length < LIMITS.MAX_PARSER_ERRORS) {
|
||||
this.errors.push(new Error(msg));
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
Read xml and resolve with the configuration that would produce it or reject with
|
||||
an error
|
||||
```
|
||||
const { createReadStream } = require('fs')
|
||||
const { parseSitemap, createSitemap } = require('sitemap')
|
||||
parseSitemap(createReadStream('./example.xml')).then(
|
||||
// produces the same xml
|
||||
// you can, of course, more practically modify it or store it
|
||||
(xmlConfig) => console.log(createSitemap(xmlConfig).toString()),
|
||||
(err) => console.log(err)
|
||||
)
|
||||
```
|
||||
@param {Readable} xml what to parse
|
||||
@return {Promise<SitemapItem[]>} resolves with list of sitemap items that can be fed into a SitemapStream. Rejects with an Error object.
|
||||
*/
|
||||
export async function parseSitemap(xml) {
|
||||
const urls = [];
|
||||
return new Promise((resolve, reject) => {
|
||||
xml
|
||||
.pipe(new XMLToSitemapItemStream())
|
||||
.on('data', (smi) => urls.push(smi))
|
||||
.on('end', () => {
|
||||
resolve(urls);
|
||||
})
|
||||
.on('error', (error) => {
|
||||
reject(error);
|
||||
});
|
||||
});
|
||||
}
|
||||
const defaultObjectStreamOpts = {
|
||||
lineSeparated: false,
|
||||
};
|
||||
/**
|
||||
* A Transform that converts a stream of objects into a JSON Array or a line
|
||||
* separated stringified JSON
|
||||
* @param [lineSeparated=false] whether to separate entries by a new line or comma
|
||||
*/
|
||||
export class ObjectStreamToJSON extends Transform {
|
||||
lineSeparated;
|
||||
firstWritten;
|
||||
constructor(opts = defaultObjectStreamOpts) {
|
||||
opts.writableObjectMode = true;
|
||||
super(opts);
|
||||
this.lineSeparated = opts.lineSeparated;
|
||||
this.firstWritten = false;
|
||||
}
|
||||
_transform(chunk, encoding, cb) {
|
||||
if (!this.firstWritten) {
|
||||
this.firstWritten = true;
|
||||
if (!this.lineSeparated) {
|
||||
this.push('[');
|
||||
}
|
||||
}
|
||||
else if (this.lineSeparated) {
|
||||
this.push('\n');
|
||||
}
|
||||
else {
|
||||
this.push(',');
|
||||
}
|
||||
if (chunk) {
|
||||
this.push(JSON.stringify(chunk));
|
||||
}
|
||||
cb();
|
||||
}
|
||||
_flush(cb) {
|
||||
if (!this.lineSeparated) {
|
||||
this.push(']');
|
||||
}
|
||||
cb();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user