import { useMemo } from "react";
import { Link } from "react-router-dom";
import ReactMarkdown from "react-markdown";
import { TwitterTweetEmbed } from "react-twitter-embed";
import Invoice from "./element/Invoice";
import { UrlRegex, FileExtensionRegex, MentionRegex, InvoiceRegex, YoutubeUrlRegex, TweetUrlRegex, HashtagRegex } from "./Const";
import { eventLink, hexToBech32, profileLink } from "./Util";
import LazyImage from "./element/LazyImage";
import Hashtag from "./element/Hashtag";
function transformHttpLink(a) {
const url = new URL(a);
const youtubeId = YoutubeUrlRegex.test(a) && RegExp.$1;
const tweetId = TweetUrlRegex.test(a) && RegExp.$2;
const extension = FileExtensionRegex.test(url.pathname.toLowerCase()) && RegExp.$1;
if (extension) {
switch (extension) {
case "gif":
case "jpg":
case "jpeg":
case "png":
case "bmp":
case "webp": {
return ;
}
case "mp4":
case "mov":
case "mkv":
case "avi":
case "m4v": {
return
}
default:
return e.stopPropagation()}>{url.toString()}
}
} else if (tweetId) {
return (
)
} else if (youtubeId) {
return (
<>
>
)
} else {
return e.stopPropagation()}>{a}
}
}
function extractLinks(fragments) {
return fragments.map(f => {
if (typeof f === "string") {
return f.split(UrlRegex).map(a => {
if (a.startsWith("http")) {
return transformHttpLink(a)
}
return a;
});
}
return f;
}).flat();
}
export function extractMentions(fragments, tags, users) {
return fragments.map(f => {
if (typeof f === "string") {
return f.split(MentionRegex).map((match) => {
let matchTag = match.match(/#\[(\d+)\]/);
if (matchTag && matchTag.length === 2) {
let idx = parseInt(matchTag[1]);
let ref = tags.find(a => a.Index === idx);
if (ref) {
switch (ref.Key) {
case "p": {
let pUser = users[ref.PubKey]?.name ?? hexToBech32("npub", ref.PubKey).substring(0, 12);
return e.stopPropagation()}>@{pUser};
}
case "e": {
let eText = hexToBech32("note", ref.Event).substring(0, 12);
return e.stopPropagation()}>#{eText};
}
}
}
return {matchTag[0]}?;
} else {
return match;
}
});
}
return f;
}).flat();
}
function extractInvoices(fragments) {
return fragments.map(f => {
if (typeof f === "string") {
return f.split(InvoiceRegex).map(i => {
if (i.toLowerCase().startsWith("lnbc")) {
return
} else {
return i;
}
});
}
return f;
}).flat();
}
function extractHashtags(fragments) {
return fragments.map(f => {
if (typeof f === "string") {
return f.split(HashtagRegex).map(i => {
if (i.toLowerCase().startsWith("#")) {
return {i}
} else {
return i;
}
});
}
return f;
}).flat();
}
function transformLi({ body, transforms }) {
let fragments = transformText({ body, transforms })
return {fragments}
}
function transformParagraph({ body, transforms }) {
const fragments = transformText({ body, transforms })
if (fragments.every(f => typeof f === 'string')) {
return {fragments}
}
return <>{fragments}>
}
function transformText({ body, transforms }) {
let fragments = [body];
transforms?.forEach(a => {
fragments = a(fragments);
});
fragments = extractLinks(fragments);
fragments = extractInvoices(fragments);
fragments = extractHashtags(fragments);
return fragments;
}
export default function Text({ content, transforms }) {
const components = {
p: (props) => transformParagraph({ body: props.children, transforms }),
a: (props) => transformHttpLink(props.href),
li: (props) => transformLi({ body: props.children, transforms }),
}
return {content}
}