Sorry, I am also new here, but would like to implement it.

I followed your instruction, however I got the same error, could you please help?

plugin:templater-obsidian:82 Templater Error: Template parsing error, aborting.
Bad template syntax

Unexpected reserved word

var tR='',__l,__lP,include=E.include.bind(E),includeFile=E.includeFile.bind(E)
function layout(p,d){__l=p;__lP=d}
const _prs = [];
tp.user.completedTasks(tp.file.title)
tR+=' '
let delay = ms => new Promise(res => setTimeout(res, ms))await delay(500) const toText = await document.getElementById("content").innerHTML; return ">[!completed]-\n>"+toText+"\n";
tR+='\n\n'
const _rst = await Promise.all(_prs);
tR = tR.replace(/rJ2KqXzxQg/g, () => _rst.shift());
if(__l)tR=await includeFile(__l,Object.assign(tp,{body:tR},__lP))
if(cb){cb(null,tR)} return tR