tegwick
e8ccb73a12
Assistant: codex Assistant-Model: gpt-6-astra Assistant-Session: 01a0cffe-206f-7323-89d3-b20ca4cf4bf9
31 lines
2.4 KiB
JavaScript
31 lines
2.4 KiB
JavaScript
// Experimental adapter pinned to htmx 2.0.11; not a production router.
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window.probe=[];
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let generation=0,focusEpoch=0,historyMoveFocus=true;
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const pending=new WeakMap();
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document.addEventListener('focusin',()=>focusEpoch++);
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window.addEventListener('popstate',()=>{generation++;},true);
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const notice=text=>{document.querySelector('#feedback').textContent=text;};
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function complete(move){const h=document.querySelector('#heading');document.title=`${h.textContent} — Catalog`;notice(`Loaded ${h.textContent}`);if(move)h.focus();}
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document.addEventListener('htmx:beforeRequest',e=>{
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if(e.detail.target.id==='content')pending.set(e.detail.xhr,{owner:++generation,source:e.detail.elt,move:false});
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});
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document.addEventListener('htmx:beforeOnLoad',e=>{
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const state=pending.get(e.detail.xhr);
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if(state&&state.owner!==generation){e.preventDefault();pending.delete(e.detail.xhr);window.raceLog.push({event:'discard-navigation',url:e.detail.xhr.responseURL});}
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});
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document.addEventListener('htmx:beforeSwap',e=>{const state=pending.get(e.detail.xhr);if(state)state.move=document.activeElement===state.source;});
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document.addEventListener('htmx:afterSwap',e=>{const state=pending.get(e.detail.xhr);if(state){complete(state.move);pending.delete(e.detail.xhr);}});
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document.addEventListener('htmx:responseError',e=>{if(pending.has(e.detail.xhr)){notice('Navigation failed. Current article retained. Use Native recovery to continue.');pending.delete(e.detail.xhr);}});
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document.addEventListener('htmx:historyCacheHit',()=>{historyMoveFocus=true;});
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document.addEventListener('htmx:historyCacheMiss',e=>{
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const owner=generation,focusAtStart=focusEpoch,path=e.detail.path;
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const xhr=e.detail.xhr,original=xhr.onload;
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// The public miss event exposes XHR; wrapping its existing handler relies on the pinned implementation.
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xhr.onload=function(event){
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if(owner!==generation||location.pathname+location.search!==path){window.raceLog.push({event:'discard-history',url:xhr.responseURL});return;}
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historyMoveFocus=focusEpoch===focusAtStart;
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return original.call(this,event);
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};
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});
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document.addEventListener('htmx:historyRestore',()=>complete(historyMoveFocus));
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for(const name of ['htmx:afterSettle','htmx:historyRestore','htmx:responseError'])document.addEventListener(name,()=>window.probe.push({name,focus:document.activeElement.id||document.activeElement.tagName,title:document.title,url:location.href,feedback:document.querySelector('#feedback').textContent}));
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