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Check whether an element is custom in the spec-compliant way (#35960)

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* Check whether element is custom in spec-compliant way

Signed-off-by: Xiaocheng Hu <xiaochengh.work@gmail.com>

* Update tests

Signed-off-by: Xiaocheng Hu <xiaochengh.work@gmail.com>

---------

Signed-off-by: Xiaocheng Hu <xiaochengh.work@gmail.com>
This commit is contained in:
Xiaocheng Hu 2025-03-14 02:03:57 +08:00 • committed by GitHub
parent ea35353e9a
commit 62d6759106
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GPG key ID: B5690EEEBB952194
6 changed files with 71 additions and 13 deletions
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2
tests/wpt/meta/MANIFEST.json vendored
View file

@ -612804,7 +612804,7 @@
]
],
"custom-element-reaction-queue.html": [
"246b15a0af36cffa0b64f1d57e4208538b92bdd7",
"eb8366f2b415894f396da613987982ae41ffe0b6",
[
null,
{}

4
tests/wpt/meta/custom-elements/custom-element-reaction-queue.html.ini vendored
View file

@ -1,4 +0,0 @@
[custom-element-reaction-queue.html]
[Upgrading a custom element must not invoke attributeChangedCallback for the attribute that is changed during upgrading]
expected: FAIL

54
tests/wpt/tests/custom-elements/custom-element-reaction-queue.html vendored
View file

@ -83,6 +83,60 @@ test_with_window(function (contentWindow) {
assert_connected_log_entry(log[1], element);
}, 'Upgrading a custom element must not invoke attributeChangedCallback for the attribute that is changed during upgrading');
test_with_window(function (contentWindow) {
const contentDocument = contentWindow.document;
contentDocument.write('<test-element>');
const element = contentDocument.querySelector('test-element');
assert_equals(Object.getPrototypeOf(element), contentWindow.HTMLElement.prototype);
let log = [];
class TestElement extends contentWindow.HTMLElement {
constructor() {
super();
this.remove();
log.push(create_constructor_log(this));
}
connectedCallback(...args) {
log.push(create_connected_callback_log(this, ...args));
}
disconnectedCallback(...args) {
log.push(create_disconnected_callback_log(this, ...args));
}
}
contentWindow.customElements.define('test-element', TestElement);
assert_equals(Object.getPrototypeOf(element), TestElement.prototype);
assert_equals(log.length, 2);
assert_constructor_log_entry(log[0], element);
assert_connected_log_entry(log[1], element);
}, 'Upgrading a custom element must not invoke disconnectedCallback if the element is disconnected during upgrading');
test_with_window(function (contentWindow) {
const contentDocument = contentWindow.document;
const element = contentDocument.createElement('test-element');
assert_equals(Object.getPrototypeOf(element), contentWindow.HTMLElement.prototype);
let log = [];
class TestElement extends contentWindow.HTMLElement {
constructor() {
super();
contentDocument.documentElement.appendChild(this);
log.push(create_constructor_log(this));
}
connectedCallback(...args) {
log.push(create_connected_callback_log(this, ...args));
}
}
contentWindow.customElements.define('test-element', TestElement);
contentWindow.customElements.upgrade(element);
assert_equals(Object.getPrototypeOf(element), TestElement.prototype);
assert_equals(log.length, 1);
assert_constructor_log_entry(log[0], element);
}, 'Upgrading a disconnected custom element must not invoke connectedCallback if the element is connected during upgrading');
test_with_window(function (contentWindow) {
const contentDocument = contentWindow.document;
contentDocument.write('<test-element id="first-element">');