444 lines
17 KiB
TypeScript
444 lines
17 KiB
TypeScript
import { Channel } from "./channel";
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import { Localuser } from "./localuser";
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export {MarkDown};
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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(text : string|string[],owner:MarkDown["owner"],{keep=false,stdsize=false} = {}){
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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 rawString(){
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return this.txt.concat("");
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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:keep,stdsize: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=null;
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let keepys="";
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if(txt[i+1]==="#"){
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console.log("test");
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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=[];
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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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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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}
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element.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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span.append(element);
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i--;
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continue;
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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(;txt[j]!==undefined&&(txt[j]!=="\n"||count===3)&&find!==count;j++){
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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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console.log(build);
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build=build.replaceAll("\n","");
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console.log(build,JSON.stringify(build));
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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[build.length-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=[];
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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){i.append(stars)}
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i.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){i.append(stars)}
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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){b.append(stars)}
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b.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){b.append(stars)}
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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){b.append(stars)}
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b.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){b.append(stars)}
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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=[];
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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[j+1]===" "||txt[j+1]==="\n"||txt[j+1]===undefined))){
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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){i.append(underscores)}
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i.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){i.append(underscores)}
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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){u.append(underscores)}
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u.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){u.append(underscores)}
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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){i.append(underscores)}
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i.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){i.append(underscores)}
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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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let count=2;
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let build=[];
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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;
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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){s.append(tildes)}
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s.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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if(keep){s.append(tildes)}
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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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let count=2;
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let build=[];
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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;
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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){j.append(pipes)}
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j.appendChild(this.markdown(build,{keep:keep,stdsize:stdsize}));
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j.classList.add("spoiler");
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j.onclick=MarkDown.unspoil;
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if(keep){j.append(pipes)}
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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 (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.join("").match(/^<t:([0-9]{1,16})(:([tTdDfFR]))?>$/);
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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") time=dateInput.toLocaleString(void 0, {day: "2-digit", month: "2-digit", year: "numeric"});
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else if (parts[3]==="D") time=dateInput.toLocaleString(void 0, {day: "numeric", month: "long", year: "numeric"});
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else if (!parts[3] || parts[3]==="f") time=dateInput.toLocaleString(void 0, {day: "numeric", month: "long", year: "numeric"}) + " " +
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dateInput.toLocaleString(void 0, {hour: "2-digit", minute: "2-digit"});
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else if (parts[3]==="F") time=dateInput.toLocaleString(void 0, {day: "numeric", month: "long", year: "numeric", weekday: "long"}) + " " +
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dateInput.toLocaleString(void 0, {hour: "2-digit", minute: "2-digit"});
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else if (parts[3]==="t") time=dateInput.toLocaleString(void 0, {hour: "2-digit", minute: "2-digit"});
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else if (parts[3]==="T") time=dateInput.toLocaleString(void 0, {hour: "2-digit", minute: "2-digit", second: "2-digit"});
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else if (parts[3]==="R") time=Math.round((Date.now() - (Number.parseInt(parts[1]) * 1000))/1000/60) + " minutes ago";
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}
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const timeElem=document.createElement("span");
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timeElem.classList.add("markdown-timestamp");
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timeElem.textContent=time;
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span.appendChild(timeElem);
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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] === "a" && txt[i + 2] === ":"))) {
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let found=false;
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const build = txt[i + 1] === "a" ? ["<","a",":"] : ["<",":"];
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let j = i+build.length;
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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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const buildjoin=build.join("");
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const parts=buildjoin.match(/^<(a)?:\w+:(\d{10,30})>$/);
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if (parts && parts[2]) {
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appendcurrent();
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i=j;
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const isEmojiOnly = txt.join("").trim()===buildjoin.trim();
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const emojiElem=document.createElement("img");
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emojiElem.classList.add("md-emoji");
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emojiElem.classList.add(isEmojiOnly ? "bigemoji" : "smallemoji");
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emojiElem.crossOrigin="anonymous";
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emojiElem.src=this.info.cdn.toString() + "emojis/" + parts[2] + "." + (parts[1] ? "gif" : "png") + "?size=32";
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emojiElem.alt=buildjoin;
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emojiElem.loading="lazy";
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span.appendChild(emojiElem);
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continue;
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}
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}
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}
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current.textContent+=txt[i];
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}
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appendcurrent();
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return span;
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}
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static unspoil(e:any) : void{
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e.target.classList.remove("spoiler")
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e.target.classList.add("unspoiled")
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}
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}
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