89 lines
3.3 KiB
JavaScript
89 lines
3.3 KiB
JavaScript
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import { Link } from "react-router-dom";
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import Invoice from "./element/Invoice";
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import { UrlRegex, FileExtensionRegex, MentionRegex, InvoiceRegex } from "./Const";
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export function extractLinks(fragments) {
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return fragments.map(f => {
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if (typeof f === "string") {
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return f.split(UrlRegex).map(a => {
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if (a.startsWith("http")) {
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try {
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let url = new URL(a);
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let ext = url.pathname.toLowerCase().match(FileExtensionRegex);
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if (ext) {
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switch (ext[1]) {
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case "gif":
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case "jpg":
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case "jpeg":
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case "png":
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case "bmp":
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case "webp": {
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return <img key={url} src={url} />;
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}
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case "mp4":
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case "mkv":
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case "avi":
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case "m4v": {
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return <video key={url} src={url} controls />
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}
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}
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} else {
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return <a href={url}>{url.toString()}</a>
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}
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} catch (e) {
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console.warn(`Not a valid url: ${a}`);
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}
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}
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return a;
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});
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}
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return f;
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}).flat();
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}
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export function extractMentions(fragments, tags, users) {
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return fragments.map(f => {
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if (typeof f === "string") {
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return f.split(MentionRegex).map((match) => {
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let matchTag = match.match(/#\[(\d+)\]/);
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if (matchTag && matchTag.length === 2) {
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let idx = parseInt(matchTag[1]);
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let ref = tags.find(a => a.Index === idx);
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if (ref) {
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switch (ref.Key) {
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case "p": {
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let pUser = users[ref.PubKey]?.name ?? ref.PubKey.substring(0, 8);
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return <Link key={ref.PubKey} to={`/p/${ref.PubKey}`}>@{pUser}</Link>;
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}
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case "e": {
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let eText = ref.Event.substring(0, 8);
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return <Link key={ref.Event} to={`/e/${ref.Event}`}>#{eText}</Link>;
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}
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}
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}
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return <b style={{ color: "red" }}>{matchTag[0]}?</b>;
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} else {
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return match;
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}
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});
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}
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return f;
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}).flat();
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}
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export function extractInvoices(fragments) {
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return fragments.map(f => {
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if (typeof f === "string") {
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return f.split(InvoiceRegex).map(i => {
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if (i.toLowerCase().startsWith("lnbc")) {
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return <Invoice key={i} invoice={i} />
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} else {
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return i;
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}
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});
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}
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return f;
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}).flat();
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}
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