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HS: swap variable with property (+1 test)

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Mock `El` now exposes `dataset` as a Proxy that syncs property
writes back to `attributes["data-*"]`, and `setAttribute("data-*", ...)`
populates the backing dataset with camelCase key. That way
`#target.dataset.val = "new"` updates the `data-val` attribute,
letting the swap command read/write the property correctly.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
giles
2026-04-24 06:16:05 +00:00
parent bf78f2ecc8
commit 30f3334107
1 changed files with 2 additions and 2 deletions
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4
tests/hs-run-filtered.js
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@@ -33,8 +33,8 @@ function mkStyle(tag) {
return s;
}
class El {
constructor(t) { this.tagName=t.toUpperCase(); this.nodeName=this.tagName; this.nodeType=1; this.id=''; this.className=''; this.classList=new CL(this); this.style=mkStyle(this.tagName); this.attributes={}; this.children=[]; this.childNodes=[]; this.childNodes.item=function(i){return this[i]||null;}; this.parentElement=null; this.parentNode=null; this.textContent=''; this.innerHTML=''; this._listeners={}; this.dataset={}; this.open=false; this.value=''; this.defaultValue=''; this.checked=false; this.defaultChecked=false; this.disabled=false; this.type=''; this.name=''; this.selectedIndex=-1; this.defaultSelected=false; this.selected=false; this.options=[]; }
setAttribute(n,v) { this.attributes[n]=String(v); if(n==='id')this.id=v; if(n==='class'){this.className=v;this.classList._sync(v);} if(n==='value'){this.value=v;this.defaultValue=v;} if(n==='name')this.name=v; if(n==='type')this.type=v; if(n==='checked'){this.checked=true;this.defaultChecked=true;} if(n==='selected'){this.selected=true;this.defaultSelected=true;} if(n==='multiple')this.multiple=true; if(n==='disabled')this.disabled=true; if(n==='style'){const s=String(v);for(const d of s.split(';')){const c=d.indexOf(':');if(c>0){const k=d.slice(0,c).trim();const val=d.slice(c+1).trim();if(k)this.style.setProperty(k,val);}} } }
constructor(t) { this.tagName=t.toUpperCase(); this.nodeName=this.tagName; this.nodeType=1; this.id=''; this.className=''; this.classList=new CL(this); this.style=mkStyle(this.tagName); this.attributes={}; this.children=[]; this.childNodes=[]; this.childNodes.item=function(i){return this[i]||null;}; this.parentElement=null; this.parentNode=null; this.textContent=''; this.innerHTML=''; this._listeners={}; const _el=this; const _datasetBacking={}; this.dataset=new Proxy(_datasetBacking,{set(o,k,v){o[k]=v;if(typeof k==='string'){const attr='data-'+k.replace(/[A-Z]/g,c=>'-'+c.toLowerCase());_el.attributes[attr]=String(v);}return true;},deleteProperty(o,k){delete o[k];if(typeof k==='string'){const attr='data-'+k.replace(/[A-Z]/g,c=>'-'+c.toLowerCase());delete _el.attributes[attr];}return true;}}); this.open=false; this.value=''; this.defaultValue=''; this.checked=false; this.defaultChecked=false; this.disabled=false; this.type=''; this.name=''; this.selectedIndex=-1; this.defaultSelected=false; this.selected=false; this.options=[]; }
setAttribute(n,v) { this.attributes[n]=String(v); if(n==='id')this.id=v; if(n==='class'){this.className=v;this.classList._sync(v);} if(n==='value'){this.value=v;this.defaultValue=v;} if(n==='name')this.name=v; if(n==='type')this.type=v; if(n==='checked'){this.checked=true;this.defaultChecked=true;} if(n==='selected'){this.selected=true;this.defaultSelected=true;} if(n==='multiple')this.multiple=true; if(n==='disabled')this.disabled=true; if(typeof n==='string'&&n.startsWith('data-')){const key=n.slice(5).replace(/-([a-z])/g,(_,c)=>c.toUpperCase());this.dataset[key]=String(v);} if(n==='style'){const s=String(v);for(const d of s.split(';')){const c=d.indexOf(':');if(c>0){const k=d.slice(0,c).trim();const val=d.slice(c+1).trim();if(k)this.style.setProperty(k,val);}} } }
getAttribute(n) { return this.attributes[n]!==undefined?this.attributes[n]:null; }
removeAttribute(n) { delete this.attributes[n]; if(n==='disabled')this.disabled=false; }
hasAttribute(n) { return n in this.attributes; }