what is this? how this gpt chat works?: "function Cr(e,t){return{subscribe:ze(e,t).subscribe}}function ze(e,t=I){let r;const o=new Set;function n(a){if(ve(e,a)&&(e=a,r)){const c=!ae.length;for(const l of o)l[1](),ae.push(l,e);if(c){for(let l=0;l<ae.length;l+=2)ae[l][0](ae[l+1]);ae.length=0}}}function s(a){n(a(e))}function i(a,c=I){const l=[a,c];return o.add(l),o.size===1&&(r=t(n)||I),a(e),()=>{o.delete(l),o.size===0&&(r(),r=null)}}return{set:n,update:s,subscribe:i}}function Jo(e,t,r){const o=!Array.isArray(e),n=o?[e]:e,s=t.length<2;return Cr(r,i=>{let a=!1;const c=[];let l=0,f=I;const u=()=>{if(l)return;f();const m=t(o?c[0]:c,i);s?i(m):f=ye(m)?m:I},g=n.map((m,p)=>It(m,A=>{c[p]=A,l&=~(1<<p),a&&u()},()=>{l|=1<<p}));return a=!0,u(),function(){ee(g),f()}})}function We(e){if(e.startsWith("http")){const{protocol:t,host:r}=new URL(e);return r.endsWith("hf.space")?{ws_protocol:"wss",host:r,http_protocol:t}:{ws_protocol:t==="https:"?"wss":"ws",http_protocol:t,host:r}}return{ws_protocol:"wss",http_protocol:"https:",host:e}}const tr=/^[^\/]*\/[^\/]*$/,Mr=/.*hf\.space\/{0,1}$/;async function Lr(e){const t=e.trim();if(tr.test(t)){const r=(await(await fetch(`https://huggingface.co/api/spaces/${t}/host`)).json()).host;return{space_id:e,...We(r)}}if(Mr.test(t)){const{ws_protocol:r,http_protocol:o,host:n}=We(t);return{space_id:n.replace(".hf.space",""),ws_protocol:r,http_protocol:o,host:n}}return{space_id:!1,...We(t)}}function Pr(e){let t={};return e.forEach(({api_name:r},o)=>{r&&(t[r]=o)}),t}const Or=/^(?=[^]*\b[dD]iscussions{0,1}\b)(?=[^]*\b[dD]isabled\b)[^]*$/;async function Rr(e){try{const r=(await fetch(`https://huggingface.co/api/spaces/${e}/discussions`,{method:"HEAD"})).headers.get("x-error-message");return!(r&&Or.test(r))}catch{return!1}}const Fr="This application is too busy. 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