diff options
Diffstat (limited to 'includes/external/addressbook/node_modules/domutils/lib/esm/feeds.js')
| -rw-r--r-- | includes/external/addressbook/node_modules/domutils/lib/esm/feeds.js | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/includes/external/addressbook/node_modules/domutils/lib/esm/feeds.js b/includes/external/addressbook/node_modules/domutils/lib/esm/feeds.js new file mode 100644 index 0000000..449549b --- /dev/null +++ b/includes/external/addressbook/node_modules/domutils/lib/esm/feeds.js @@ -0,0 +1,183 @@ +import { textContent } from "./stringify.js"; +import { getElementsByTagName } from "./legacy.js"; +/** + * Get the feed object from the root of a DOM tree. + * + * @category Feeds + * @param doc - The DOM to to extract the feed from. + * @returns The feed. + */ +export function getFeed(doc) { + const feedRoot = getOneElement(isValidFeed, doc); + return !feedRoot + ? null + : feedRoot.name === "feed" + ? getAtomFeed(feedRoot) + : getRssFeed(feedRoot); +} +/** + * Parse an Atom feed. + * + * @param feedRoot The root of the feed. + * @returns The parsed feed. + */ +function getAtomFeed(feedRoot) { + var _a; + const childs = feedRoot.children; + const feed = { + type: "atom", + items: getElementsByTagName("entry", childs).map((item) => { + var _a; + const { children } = item; + const entry = { media: getMediaElements(children) }; + addConditionally(entry, "id", "id", children); + addConditionally(entry, "title", "title", children); + const href = (_a = getOneElement("link", children)) === null || _a === void 0 ? void 0 : _a.attribs["href"]; + if (href) { + entry.link = href; + } + const description = fetch("summary", children) || fetch("content", children); + if (description) { + entry.description = description; + } + const pubDate = fetch("updated", children); + if (pubDate) { + entry.pubDate = new Date(pubDate); + } + return entry; + }), + }; + addConditionally(feed, "id", "id", childs); + addConditionally(feed, "title", "title", childs); + const href = (_a = getOneElement("link", childs)) === null || _a === void 0 ? void 0 : _a.attribs["href"]; + if (href) { + feed.link = href; + } + addConditionally(feed, "description", "subtitle", childs); + const updated = fetch("updated", childs); + if (updated) { + feed.updated = new Date(updated); + } + addConditionally(feed, "author", "email", childs, true); + return feed; +} +/** + * Parse a RSS feed. + * + * @param feedRoot The root of the feed. + * @returns The parsed feed. + */ +function getRssFeed(feedRoot) { + var _a, _b; + const childs = (_b = (_a = getOneElement("channel", feedRoot.children)) === null || _a === void 0 ? void 0 : _a.children) !== null && _b !== void 0 ? _b : []; + const feed = { + type: feedRoot.name.substr(0, 3), + id: "", + items: getElementsByTagName("item", feedRoot.children).map((item) => { + const { children } = item; + const entry = { media: getMediaElements(children) }; + addConditionally(entry, "id", "guid", children); + addConditionally(entry, "title", "title", children); + addConditionally(entry, "link", "link", children); + addConditionally(entry, "description", "description", children); + const pubDate = fetch("pubDate", children); + if (pubDate) + entry.pubDate = new Date(pubDate); + return entry; + }), + }; + addConditionally(feed, "title", "title", childs); + addConditionally(feed, "link", "link", childs); + addConditionally(feed, "description", "description", childs); + const updated = fetch("lastBuildDate", childs); + if (updated) { + feed.updated = new Date(updated); + } + addConditionally(feed, "author", "managingEditor", childs, true); + return feed; +} +const MEDIA_KEYS_STRING = ["url", "type", "lang"]; +const MEDIA_KEYS_INT = [ + "fileSize", + "bitrate", + "framerate", + "samplingrate", + "channels", + "duration", + "height", + "width", +]; +/** + * Get all media elements of a feed item. + * + * @param where Nodes to search in. + * @returns Media elements. + */ +function getMediaElements(where) { + return getElementsByTagName("media:content", where).map((elem) => { + const { attribs } = elem; + const media = { + medium: attribs["medium"], + isDefault: !!attribs["isDefault"], + }; + for (const attrib of MEDIA_KEYS_STRING) { + if (attribs[attrib]) { + media[attrib] = attribs[attrib]; + } + } + for (const attrib of MEDIA_KEYS_INT) { + if (attribs[attrib]) { + media[attrib] = parseInt(attribs[attrib], 10); + } + } + if (attribs["expression"]) { + media.expression = attribs["expression"]; + } + return media; + }); +} +/** + * Get one element by tag name. + * + * @param tagName Tag name to look for + * @param node Node to search in + * @returns The element or null + */ +function getOneElement(tagName, node) { + return getElementsByTagName(tagName, node, true, 1)[0]; +} +/** + * Get the text content of an element with a certain tag name. + * + * @param tagName Tag name to look for. + * @param where Node to search in. + * @param recurse Whether to recurse into child nodes. + * @returns The text content of the element. + */ +function fetch(tagName, where, recurse = false) { + return textContent(getElementsByTagName(tagName, where, recurse, 1)).trim(); +} +/** + * Adds a property to an object if it has a value. + * + * @param obj Object to be extended + * @param prop Property name + * @param tagName Tag name that contains the conditionally added property + * @param where Element to search for the property + * @param recurse Whether to recurse into child nodes. + */ +function addConditionally(obj, prop, tagName, where, recurse = false) { + const val = fetch(tagName, where, recurse); + if (val) + obj[prop] = val; +} +/** + * Checks if an element is a feed root node. + * + * @param value The name of the element to check. + * @returns Whether an element is a feed root node. + */ +function isValidFeed(value) { + return value === "rss" || value === "feed" || value === "rdf:RDF"; +} +//# sourceMappingURL=feeds.js.map
\ No newline at end of file |