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experimental hx-on- attribute support

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Carson Gross 2023-03-15 16:28:15 -06:00
parent 36780c034f
commit 56d5f38fc3
1 changed files with 33 additions and 0 deletions
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33
src/htmx.js
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@ -1922,12 +1922,45 @@ return (function () {
var kebabedEvent = makeEvent(kebabName, event.detail);
eventResult = eventResult && elt.dispatchEvent(kebabedEvent)
}
triggerInlineHandlers(elt, kebabName);
withExtensions(elt, function (extension) {
eventResult = eventResult && (extension.onEvent(eventName, event) !== false)
});
return eventResult;
}
function triggerInlineHandlers(elt, kebabbedEvent, noBubble) {
var strippedEventName = kebabbedEvent.replace('htmx:', '').replace(":", "\\:").replace(".", "\\.");
var hxOnAttributeNameForEvent = "hx-on-" + strippedEventName;
var selector = "[" + hxOnAttributeNameForEvent + "]";
if (noBubble) {
if (matches(elt, selector)) {
evalAttrValue(elt, hxOnAttributeNameForEvent);
}
} else {
var closestMatch = closest(elt, selector);
while (closestMatch != null) {
// terminate simulated bubbling if handler returns false
if(evalAttrValue(closestMatch, hxOnAttributeNameForEvent) === false) {
return;
}
var parentOfMatch = parentElt(closestMatch);
closestMatch = closest(parentOfMatch, selector);
}
}
}
function evalAttrValue(elt, attributeName) {
var attrValue = elt.getAttribute(attributeName);
try {
return eval(attrValue)
} catch(e) {
console.error("Error evaluating " + attributeName + " on", elt, ":", e);
}
return true;
}
//====================================================================
// History Support
//====================================================================