859 lines
20 KiB
TypeScript
859 lines
20 KiB
TypeScript
import{ Channel }from"./channel.js";
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import{ Dialog }from"./dialog.js";
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import{ Emoji }from"./emoji.js";
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import{ Guild }from"./guild.js";
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import{ Localuser }from"./localuser.js";
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import{ Member }from"./member.js";
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class MarkDown{
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txt: string[];
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keep: boolean;
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stdsize: boolean;
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owner: Localuser | Channel;
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info: Localuser["info"];
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constructor(
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text: string | string[],
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owner: MarkDown["owner"],
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{ keep = false, stdsize = false } = {}
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){
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if(typeof text === typeof ""){
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this.txt = (text as string).split("");
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}else{
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this.txt = text as string[];
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}
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if(this.txt === undefined){
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this.txt = [];
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}
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this.info = owner.info;
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this.keep = keep;
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this.owner = owner;
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this.stdsize = stdsize;
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}
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get localuser(){
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if(this.owner instanceof Localuser){
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return this.owner;
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}else{
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return this.owner.localuser;
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}
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}
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get rawString(){
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return this.txt.join("");
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}
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get textContent(){
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return this.makeHTML().textContent;
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}
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makeHTML({ keep = this.keep, stdsize = this.stdsize } = {}){
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return this.markdown(this.txt, { keep, stdsize });
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}
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markdown(text: string | string[], { keep = false, stdsize = false } = {}){
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let txt: string[];
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if(typeof text === typeof ""){
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txt = (text as string).split("");
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}else{
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txt = text as string[];
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}
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if(txt === undefined){
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txt = [];
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}
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const span = document.createElement("span");
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let current = document.createElement("span");
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function appendcurrent(){
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if(current.innerHTML !== ""){
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span.append(current);
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current = document.createElement("span");
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}
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}
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for(let i = 0; i < txt.length; i++){
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if(txt[i] === "\n" || i === 0){
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const first = i === 0;
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if(first){
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i--;
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}
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let element: HTMLElement = document.createElement("span");
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let keepys = "";
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if(txt[i + 1] === "#"){
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if(txt[i + 2] === "#"){
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if(txt[i + 3] === "#" && txt[i + 4] === " "){
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element = document.createElement("h3");
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keepys = "### ";
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i += 5;
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}else if(txt[i + 3] === " "){
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element = document.createElement("h2");
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element.classList.add("h2md");
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keepys = "## ";
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i += 4;
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}
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}else if(txt[i + 2] === " "){
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element = document.createElement("h1");
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keepys = "# ";
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i += 3;
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}
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}else if(txt[i + 1] === ">" && txt[i + 2] === " "){
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element = document.createElement("div");
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const line = document.createElement("div");
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line.classList.add("quoteline");
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element.append(line);
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element.classList.add("quote");
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keepys = "> ";
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i += 3;
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}
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if(keepys){
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appendcurrent();
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if(!first && !stdsize){
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span.appendChild(document.createElement("br"));
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}
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const build: string[] = [];
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for(; txt[i] !== "\n" && txt[i] !== undefined; i++){
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build.push(txt[i]);
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}
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try{
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if(stdsize){
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element = document.createElement("span");
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}
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if(keep){
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element.append(keepys);
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//span.appendChild(document.createElement("br"));
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}
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element.appendChild(this.markdown(build, { keep, stdsize }));
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span.append(element);
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}finally{
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i -= 1;
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continue;
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}
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}
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if(first){
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i++;
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}
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}
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if(txt[i] === "\n"){
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if(!stdsize){
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appendcurrent();
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span.append(document.createElement("br"));
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}
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continue;
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}
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if(txt[i] === "`"){
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let count = 1;
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if(txt[i + 1] === "`"){
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count++;
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if(txt[i + 2] === "`"){
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count++;
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}
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}
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let build = "";
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if(keep){
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build += "`".repeat(count);
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}
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let find = 0;
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let j = i + count;
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let init = true;
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for(
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;
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txt[j] !== undefined &&
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(txt[j] !== "\n" || count === 3) &&
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find !== count;
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j++
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){
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if(txt[j] === "`"){
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find++;
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}else{
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if(find !== 0){
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build += "`".repeat(find);
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find = 0;
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}
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if(init && count === 3){
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if(txt[j] === " " || txt[j] === "\n"){
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init = false;
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}
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if(keep){
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build += txt[j];
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}
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continue;
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}
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build += txt[j];
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}
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}
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if(stdsize){
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build = build.replaceAll("\n", "");
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}
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if(find === count){
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appendcurrent();
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i = j;
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if(keep){
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build += "`".repeat(find);
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}
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if(count !== 3 && !stdsize){
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const samp = document.createElement("samp");
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samp.textContent = build;
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span.appendChild(samp);
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}else{
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const pre = document.createElement("pre");
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if(build.at(-1) === "\n"){
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build = build.substring(0, build.length - 1);
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}
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if(txt[i] === "\n"){
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i++;
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}
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pre.textContent = build;
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span.appendChild(pre);
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}
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i--;
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continue;
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}
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}
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if(txt[i] === "*"){
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let count = 1;
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if(txt[i + 1] === "*"){
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count++;
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if(txt[i + 2] === "*"){
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count++;
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}
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}
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let build: string[] = [];
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let find = 0;
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let j = i + count;
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for(; txt[j] !== undefined && find !== count; j++){
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if(txt[j] === "*"){
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find++;
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}else{
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build.push(txt[j]);
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if(find !== 0){
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build = build.concat(new Array(find).fill("*"));
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find = 0;
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}
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}
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}
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if(find === count && (count != 1 || txt[i + 1] !== " ")){
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appendcurrent();
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i = j;
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const stars = "*".repeat(count);
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if(count === 1){
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const i = document.createElement("i");
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if(keep){
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i.append(stars);
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}
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i.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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i.append(stars);
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}
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span.appendChild(i);
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}else if(count === 2){
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const b = document.createElement("b");
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if(keep){
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b.append(stars);
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}
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b.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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b.append(stars);
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}
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span.appendChild(b);
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}else{
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const b = document.createElement("b");
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const i = document.createElement("i");
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if(keep){
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b.append(stars);
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}
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b.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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b.append(stars);
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}
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i.appendChild(b);
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span.appendChild(i);
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}
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i--;
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continue;
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}
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}
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if(txt[i] === "_"){
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let count = 1;
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if(txt[i + 1] === "_"){
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count++;
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if(txt[i + 2] === "_"){
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count++;
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}
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}
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let build: string[] = [];
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let find = 0;
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let j = i + count;
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for(; txt[j] !== undefined && find !== count; j++){
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if(txt[j] === "_"){
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find++;
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}else{
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build.push(txt[j]);
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if(find !== 0){
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build = build.concat(new Array(find).fill("_"));
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find = 0;
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}
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}
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}
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if(
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find === count &&
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(count != 1 ||
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txt[j + 1] === " " ||
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txt[j + 1] === "\n" ||
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txt[j + 1] === undefined)
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){
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appendcurrent();
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i = j;
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const underscores = "_".repeat(count);
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if(count === 1){
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const i = document.createElement("i");
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if(keep){
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i.append(underscores);
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}
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i.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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i.append(underscores);
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}
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span.appendChild(i);
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}else if(count === 2){
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const u = document.createElement("u");
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if(keep){
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u.append(underscores);
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}
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u.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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u.append(underscores);
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}
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span.appendChild(u);
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}else{
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const u = document.createElement("u");
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const i = document.createElement("i");
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if(keep){
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i.append(underscores);
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}
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i.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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i.append(underscores);
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}
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u.appendChild(i);
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span.appendChild(u);
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}
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i--;
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continue;
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}
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}
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if(txt[i] === "~" && txt[i + 1] === "~"){
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const count = 2;
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let build: string[] = [];
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let find = 0;
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let j = i + 2;
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for(; txt[j] !== undefined && find !== count; j++){
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if(txt[j] === "~"){
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find++;
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}else{
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build.push(txt[j]);
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if(find !== 0){
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build = build.concat(new Array(find).fill("~"));
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find = 0;
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}
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}
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}
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if(find === count){
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appendcurrent();
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i = j - 1;
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const tildes = "~~";
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if(count === 2){
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const s = document.createElement("s");
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if(keep){
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s.append(tildes);
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}
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s.appendChild(this.markdown(build, { keep, stdsize }));
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if(keep){
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s.append(tildes);
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}
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span.appendChild(s);
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}
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continue;
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}
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}
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if(txt[i] === "|" && txt[i + 1] === "|"){
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const count = 2;
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let build: string[] = [];
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let find = 0;
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let j = i + 2;
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for(; txt[j] !== undefined && find !== count; j++){
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if(txt[j] === "|"){
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find++;
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}else{
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build.push(txt[j]);
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if(find !== 0){
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build = build.concat(new Array(find).fill("~"));
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find = 0;
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}
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}
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}
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if(find === count){
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appendcurrent();
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i = j - 1;
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const pipes = "||";
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if(count === 2){
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const j = document.createElement("j");
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if(keep){
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j.append(pipes);
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}
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j.appendChild(this.markdown(build, { keep, stdsize }));
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j.classList.add("spoiler");
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j.onclick = MarkDown.unspoil;
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if(keep){
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j.append(pipes);
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}
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span.appendChild(j);
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}
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continue;
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}
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}
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if(
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!keep &&
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txt[i] === "h" &&
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txt[i + 1] === "t" &&
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txt[i + 2] === "t" &&
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txt[i + 3] === "p"
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){
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let build = "http";
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let j = i + 4;
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const endchars = new Set(["\\", "<", ">", "|", "]", " ","\n"]);
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for(; txt[j] !== undefined; j++){
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const char = txt[j];
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if(endchars.has(char)){
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break;
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}
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build += char;
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}
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if(URL.canParse(build)){
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appendcurrent();
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const a = document.createElement("a");
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//a.href=build;
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MarkDown.safeLink(a, build);
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a.textContent = build;
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a.target = "_blank";
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i = j - 1;
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span.appendChild(a);
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continue;
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}
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}
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if(txt[i] === "<" && (txt[i + 1] === "@" || txt[i + 1] === "#")){
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let id = "";
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let j = i + 2;
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const numbers = new Set(["0","1","2","3","4","5","6","7","8","9",]);
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for(; txt[j] !== undefined; j++){
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const char = txt[j];
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if(!numbers.has(char)){
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break;
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}
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id += char;
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}
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if(txt[j] === ">"){
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appendcurrent();
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const mention = document.createElement("span");
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mention.classList.add("mentionMD");
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mention.contentEditable = "false";
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const char = txt[i + 1];
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i = j;
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switch(char){
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case"@":
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const user = this.localuser.userMap.get(id);
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if(user){
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mention.textContent = `@${user.name}`;
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let guild: null | Guild = null;
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if(this.owner instanceof Channel){
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guild = this.owner.guild;
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}
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if(!keep){
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user.bind(mention, guild);
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}
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if(guild){
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Member.resolveMember(user, guild).then(member=>{
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if(member){
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mention.textContent = `@${member.name}`;
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}
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});
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}
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}else{
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mention.textContent = "@unknown";
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}
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break;
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case"#":
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const channel = this.localuser.channelids.get(id);
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if(channel){
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mention.textContent = `#${channel.name}`;
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if(!keep){
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mention.onclick = _=>{
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this.localuser.goToChannel(id);
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};
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}
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}else{
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mention.textContent = "#unknown";
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}
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break;
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}
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span.appendChild(mention);
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mention.setAttribute("real", `<${char}${id}>`);
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continue;
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}
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}
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if(txt[i] === "<" && txt[i + 1] === "t" && txt[i + 2] === ":"){
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let found = false;
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const build = ["<", "t", ":"];
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let j = i + 3;
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for(; txt[j] !== void 0; j++){
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build.push(txt[j]);
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if(txt[j] === ">"){
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found = true;
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break;
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}
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}
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if(found){
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appendcurrent();
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i = j;
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const parts = build
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.join("")
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.match(/^<t:([0-9]{1,16})(:([tTdDfFR]))?>$/) as RegExpMatchArray;
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const dateInput = new Date(Number.parseInt(parts[1]) * 1000);
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let time = "";
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if(Number.isNaN(dateInput.getTime())) time = build.join("");
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else{
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if(parts[3] === "d")
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time = dateInput.toLocaleString(void 0, {
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day: "2-digit",
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month: "2-digit",
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year: "numeric",
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});
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else if(parts[3] === "D")
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time = dateInput.toLocaleString(void 0, {
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day: "numeric",
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month: "long",
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year: "numeric",
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});
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else if(!parts[3] || parts[3] === "f")
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time =
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dateInput.toLocaleString(void 0, {
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day: "numeric",
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month: "long",
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year: "numeric",
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}) +
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" " +
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dateInput.toLocaleString(void 0, {
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hour: "2-digit",
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minute: "2-digit",
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});
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else if(parts[3] === "F")
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time =
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dateInput.toLocaleString(void 0, {
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day: "numeric",
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month: "long",
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year: "numeric",
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weekday: "long",
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}) +
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" " +
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dateInput.toLocaleString(void 0, {
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hour: "2-digit",
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minute: "2-digit",
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});
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else if(parts[3] === "t")
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time = dateInput.toLocaleString(void 0, {
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hour: "2-digit",
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minute: "2-digit",
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});
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else if(parts[3] === "T")
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time = dateInput.toLocaleString(void 0, {
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hour: "2-digit",
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minute: "2-digit",
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second: "2-digit",
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});
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else if(parts[3] === "R")
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time =
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Math.round(
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(Date.now() - Number.parseInt(parts[1]) * 1000) / 1000 / 60
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|
) + " minutes ago";
|
|
}
|
|
|
|
const timeElem = document.createElement("span");
|
|
timeElem.classList.add("markdown-timestamp");
|
|
timeElem.textContent = time;
|
|
span.appendChild(timeElem);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if(
|
|
txt[i] === "<" &&
|
|
(txt[i + 1] === ":" || (txt[i + 1] === "a" && txt[i + 2] === ":"))
|
|
){
|
|
let found = false;
|
|
const build = txt[i + 1] === "a" ? ["<", "a", ":"] : ["<", ":"];
|
|
let j = i + build.length;
|
|
for(; txt[j] !== void 0; j++){
|
|
build.push(txt[j]);
|
|
|
|
if(txt[j] === ">"){
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(found){
|
|
const buildjoin = build.join("");
|
|
const parts = buildjoin.match(/^<(a)?:\w+:(\d{10,30})>$/);
|
|
if(parts && parts[2]){
|
|
appendcurrent();
|
|
i = j;
|
|
const isEmojiOnly = txt.join("").trim() === buildjoin.trim();
|
|
const owner =
|
|
this.owner instanceof Channel ? this.owner.guild : this.owner;
|
|
const emoji = new Emoji(
|
|
{ name: buildjoin, id: parts[2], animated: Boolean(parts[1]) },
|
|
owner
|
|
);
|
|
span.appendChild(emoji.getHTML(isEmojiOnly));
|
|
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(txt[i] == "[" && !keep){
|
|
let partsFound = 0;
|
|
let j = i + 1;
|
|
const build = ["["];
|
|
for(; txt[j] !== void 0; j++){
|
|
build.push(txt[j]);
|
|
|
|
if(partsFound === 0 && txt[j] === "]"){
|
|
if(
|
|
txt[j + 1] === "(" &&
|
|
txt[j + 2] === "h" &&
|
|
txt[j + 3] === "t" &&
|
|
txt[j + 4] === "t" &&
|
|
txt[j + 5] === "p" &&
|
|
(txt[j + 6] === "s" || txt[j + 6] === ":")
|
|
){
|
|
partsFound++;
|
|
}else{
|
|
break;
|
|
}
|
|
}else if(partsFound === 1 && txt[j] === ")"){
|
|
partsFound++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(partsFound === 2){
|
|
appendcurrent();
|
|
|
|
const parts = build
|
|
.join("")
|
|
.match(/^\[(.+)\]\((https?:.+?)( ('|").+('|"))?\)$/);
|
|
if(parts){
|
|
const linkElem = document.createElement("a");
|
|
if(URL.canParse(parts[2])){
|
|
i = j;
|
|
MarkDown.safeLink(linkElem, parts[2]);
|
|
linkElem.textContent = parts[1];
|
|
linkElem.target = "_blank";
|
|
linkElem.rel = "noopener noreferrer";
|
|
linkElem.title =
|
|
(parts[3]
|
|
? parts[3].substring(2, parts[3].length - 1) + "\n\n"
|
|
: "") + parts[2];
|
|
span.appendChild(linkElem);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
current.textContent += txt[i];
|
|
}
|
|
appendcurrent();
|
|
return span;
|
|
}
|
|
static unspoil(e: any): void{
|
|
e.target.classList.remove("spoiler");
|
|
e.target.classList.add("unspoiled");
|
|
}
|
|
giveBox(box: HTMLDivElement){
|
|
box.onkeydown = _=>{
|
|
//console.log(_);
|
|
};
|
|
let prevcontent = "";
|
|
box.onkeyup = _=>{
|
|
const content = MarkDown.gatherBoxText(box);
|
|
if(content !== prevcontent){
|
|
prevcontent = content;
|
|
this.txt = content.split("");
|
|
this.boxupdate(box);
|
|
}
|
|
};
|
|
box.onpaste = _=>{
|
|
if(!_.clipboardData)return;
|
|
console.log(_.clipboardData.types);
|
|
const data = _.clipboardData.getData("text");
|
|
|
|
document.execCommand("insertHTML", false, data);
|
|
_.preventDefault();
|
|
if(!box.onkeyup)return;
|
|
box.onkeyup(new KeyboardEvent("_"));
|
|
};
|
|
}
|
|
boxupdate(box: HTMLElement){
|
|
const restore = saveCaretPosition(box);
|
|
box.innerHTML = "";
|
|
box.append(this.makeHTML({ keep: true }));
|
|
if(restore){
|
|
restore();
|
|
}
|
|
}
|
|
static gatherBoxText(element: HTMLElement): string{
|
|
if(element.tagName.toLowerCase() === "img"){
|
|
return(element as HTMLImageElement).alt;
|
|
}
|
|
if(element.tagName.toLowerCase() === "br"){
|
|
return"\n";
|
|
}
|
|
if(element.hasAttribute("real")){
|
|
return element.getAttribute("real") as string;
|
|
}
|
|
let build = "";
|
|
for(const thing of Array.from(element.childNodes)){
|
|
if(thing instanceof Text){
|
|
const text = thing.textContent;
|
|
build += text;
|
|
continue;
|
|
}
|
|
const text = this.gatherBoxText(thing as HTMLElement);
|
|
if(text){
|
|
build += text;
|
|
}
|
|
}
|
|
return build;
|
|
}
|
|
static readonly trustedDomains = new Set([location.host]);
|
|
static safeLink(elm: HTMLElement, url: string){
|
|
if(URL.canParse(url)){
|
|
const Url = new URL(url);
|
|
if(
|
|
elm instanceof HTMLAnchorElement &&
|
|
this.trustedDomains.has(Url.host)
|
|
){
|
|
elm.href = url;
|
|
elm.target = "_blank";
|
|
return;
|
|
}
|
|
elm.onmouseup = _=>{
|
|
if(_.button === 2)return;
|
|
console.log(":3");
|
|
function open(){
|
|
const proxy = window.open(url, "_blank");
|
|
if(proxy && _.button === 1){
|
|
proxy.focus();
|
|
}else if(proxy){
|
|
window.focus();
|
|
}
|
|
}
|
|
if(this.trustedDomains.has(Url.host)){
|
|
open();
|
|
}else{
|
|
const full: Dialog = new Dialog([
|
|
"vdiv",
|
|
["title", "You're leaving Spacebar"],
|
|
[
|
|
"text",
|
|
"You're going to " +
|
|
Url.host +
|
|
". Are you sure you want to go there?",
|
|
],
|
|
[
|
|
"hdiv",
|
|
["button", "", "Nevermind", (_: any)=>full.hide()],
|
|
[
|
|
"button",
|
|
"",
|
|
"Go there",
|
|
(_: any)=>{
|
|
open();
|
|
full.hide();
|
|
},
|
|
],
|
|
[
|
|
"button",
|
|
"",
|
|
"Go there and trust in the future",
|
|
(_: any)=>{
|
|
open();
|
|
full.hide();
|
|
this.trustedDomains.add(Url.host);
|
|
},
|
|
],
|
|
],
|
|
]);
|
|
full.show();
|
|
}
|
|
};
|
|
}else{
|
|
throw new Error(url + " is not a valid URL");
|
|
}
|
|
}
|
|
/*
|
|
static replace(base: HTMLElement, newelm: HTMLElement) {
|
|
const basechildren = base.children;
|
|
const newchildren = newelm.children;
|
|
for (const thing of Array.from(newchildren)) {
|
|
base.append(thing);
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
//solution from https://stackoverflow.com/questions/4576694/saving-and-restoring-caret-position-for-contenteditable-div
|
|
let text = "";
|
|
function saveCaretPosition(context: Node){
|
|
const selection = window.getSelection();
|
|
if(!selection)return;
|
|
const range = selection.getRangeAt(0);
|
|
range.setStart(context, 0);
|
|
text = selection.toString();
|
|
let len = text.length + 1;
|
|
for(const str in text.split("\n")){
|
|
if(str.length !== 0){
|
|
len--;
|
|
}
|
|
}
|
|
len += Number(text.at(-1) === "\n");
|
|
|
|
return function restore(){
|
|
if(!selection)return;
|
|
const pos = getTextNodeAtPosition(context, len);
|
|
selection.removeAllRanges();
|
|
const range = new Range();
|
|
range.setStart(pos.node, pos.position);
|
|
selection.addRange(range);
|
|
};
|
|
}
|
|
|
|
function getTextNodeAtPosition(root: Node, index: number){
|
|
const NODE_TYPE = NodeFilter.SHOW_TEXT;
|
|
const treeWalker = document.createTreeWalker(root, NODE_TYPE, elem=>{
|
|
if(!elem.textContent)return 0;
|
|
if(index > elem.textContent.length){
|
|
index -= elem.textContent.length;
|
|
return NodeFilter.FILTER_REJECT;
|
|
}
|
|
return NodeFilter.FILTER_ACCEPT;
|
|
});
|
|
const c = treeWalker.nextNode();
|
|
return{
|
|
node: c ? c : root,
|
|
position: index,
|
|
};
|
|
}
|
|
export{ MarkDown };
|