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🐛 Small bugs in observables and observable valueOf

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- new reactive element content can be empty (or contains
  DocumentFragment)
- better WC observed attributes handling
This commit is contained in:
Jan Andrle 2024-03-13 18:38:39 +01:00
parent 971b595927
commit f1983dcd38
Signed by: jaandrle
GPG Key ID: B3A25AED155AFFAB
1 changed files with 7 additions and 4 deletions
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11
src/observables-lib.js
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@ -118,11 +118,13 @@ observable.el= function(o, map){
scope.pop();
if(!Array.isArray(els))
els= [ els ];
const el_start_rm= document.createComment("");
els.push(el_start_rm);
mark_start.after(...els);
const el_last_keep= els[els.length-1];
let el_r;
while(( el_r= el_last_keep.nextSibling ) !== mark_end)
while(( el_r= el_start_rm.nextSibling ) && el_r !== mark_end)
el_r.remove();
el_start_rm.remove();
if(mark_start.isConnected)
requestCleanUpReactives(current.host());
};
@ -146,9 +148,9 @@ const observedAttributeActions= {
function observedAttribute(store){
return function(instance, name){
const varO= (...args)=> !args.length
? instance.getAttribute(name)
? read(varO)
: instance.setAttribute(name, ...args);
const out= toObservable(varO, varO(), observedAttributeActions);
const out= toObservable(varO, instance.getAttribute(name), observedAttributeActions);
store[name]= out;
return out;
};
@ -247,6 +249,7 @@ function toObservable(o, value, actions, readonly= false){
configurable: true
});
o.toJSON= ()=> o();
o.valueOf= ()=> o[mark] && o[mark].value;
Object.setPrototypeOf(o[mark], protoSigal);
return o;
}