94 lines
3.3 KiB
JavaScript
94 lines
3.3 KiB
JavaScript
import { getDocumentOrThrow, getLocationOrThrow, } from "@walletconnect/window-getters";
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export function getWindowMetadata() {
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let doc;
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let loc;
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try {
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doc = getDocumentOrThrow();
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loc = getLocationOrThrow();
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}
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catch (e) {
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return null;
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}
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function getIcons() {
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const links = doc.getElementsByTagName("link");
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const icons = [];
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for (let i = 0; i < links.length; i++) {
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const link = links[i];
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const rel = link.getAttribute("rel");
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if (rel) {
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if (rel.toLowerCase().indexOf("icon") > -1) {
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const href = link.getAttribute("href");
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if (href) {
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if (href.toLowerCase().indexOf("https:") === -1 &&
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href.toLowerCase().indexOf("http:") === -1 &&
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href.indexOf("//") !== 0) {
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let absoluteHref = loc.protocol + "//" + loc.host;
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if (href.indexOf("/") === 0) {
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absoluteHref += href;
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}
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else {
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const path = loc.pathname.split("/");
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path.pop();
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const finalPath = path.join("/");
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absoluteHref += finalPath + "/" + href;
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}
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icons.push(absoluteHref);
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}
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else if (href.indexOf("//") === 0) {
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const absoluteUrl = loc.protocol + href;
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icons.push(absoluteUrl);
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}
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else {
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icons.push(href);
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}
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}
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}
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}
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}
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return icons;
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}
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function getWindowMetadataOfAny(...args) {
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const metaTags = doc.getElementsByTagName("meta");
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for (let i = 0; i < metaTags.length; i++) {
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const tag = metaTags[i];
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const attributes = ["itemprop", "property", "name"]
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.map((target) => tag.getAttribute(target))
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.filter((attr) => {
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if (attr) {
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return args.includes(attr);
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}
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return false;
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});
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if (attributes.length && attributes) {
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const content = tag.getAttribute("content");
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if (content) {
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return content;
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}
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}
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}
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return "";
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}
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function getName() {
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let name = getWindowMetadataOfAny("name", "og:site_name", "og:title", "twitter:title");
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if (!name) {
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name = doc.title;
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}
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return name;
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}
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function getDescription() {
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const description = getWindowMetadataOfAny("description", "og:description", "twitter:description", "keywords");
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return description;
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}
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const name = getName();
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const description = getDescription();
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const url = loc.origin;
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const icons = getIcons();
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const meta = {
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description,
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url,
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icons,
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name,
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};
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return meta;
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}
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//# sourceMappingURL=index.js.map
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