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Limit the meaning of "custom element" to not include is #26524

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Merged
merged 7 commits into from
Mar 30, 2023
Merged

Limit the meaning of "custom element" to not include is #26524

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dbaf987
Reuse setValueForAttribute for custom properties
sebmarkbage Mar 30, 2023
63119e7
Inline createX functions into createInstance in HostConfig
sebmarkbage Mar 30, 2023
99daab9
Simplify custom element logic for warnings
sebmarkbage Mar 30, 2023
c25c735
Warn for updating the `is` prop in DEV
sebmarkbage Mar 30, 2023
a09a9ca
Rename isCustomComponent to isCustomElement
sebmarkbage Mar 30, 2023
3499590
Limit the meaning of "custom element" to not include `is`
sebmarkbage Mar 30, 2023
d4e2063
Fix className hydration warning for custom elements
sebmarkbage Mar 30, 2023
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48 changes: 8 additions & 40 deletions packages/react-dom-bindings/src/client/DOMPropertyOperations.js
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Original file line number Diff line number Diff line change
Expand Up @@ -253,10 +253,6 @@ export function getValueForAttributeOnCustomComponent(
}
return expected === undefined ? undefined : null;
}
if (enableCustomElementPropertySupport && name === 'className') {
// className is a special cased property on the server to render as an attribute.
name = 'class';
}
const value = node.getAttribute(name);

if (enableCustomElementPropertySupport) {
Expand Down Expand Up @@ -448,11 +444,7 @@ export function setValueForPropertyOnCustomComponent(
name: string,
value: mixed,
) {
if (
enableCustomElementPropertySupport &&
name[0] === 'o' &&
name[1] === 'n'
) {
if (name[0] === 'o' && name[1] === 'n') {
const useCapture = name.endsWith('Capture');
const eventName = name.substr(2, useCapture ? name.length - 9 : undefined);

Expand All @@ -477,40 +469,16 @@ export function setValueForPropertyOnCustomComponent(
}
}

if (enableCustomElementPropertySupport && name in (node: any)) {
if (name in (node: any)) {
(node: any)[name] = value;
return;
}

if (isAttributeNameSafe(name)) {
// shouldRemoveAttribute
if (value === null) {
node.removeAttribute(name);
return;
}
switch (typeof value) {
case 'undefined':
case 'function':
case 'symbol': // eslint-disable-line
node.removeAttribute(name);
return;
case 'boolean': {
if (enableCustomElementPropertySupport) {
if (value === true) {
node.setAttribute(name, '');
return;
}
node.removeAttribute(name);
return;
}
}
}
if (__DEV__) {
checkAttributeStringCoercion(value, name);
}
node.setAttribute(
name,
enableTrustedTypesIntegration ? (value: any) : '' + (value: any),
);
if (value === true) {
node.setAttribute(name, '');
return;
}

// From here, it's the same as any attribute
setValueForAttribute(node, name, value);
}
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