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LibWeb: Implement AbortSignal.any()

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This method takes a list of AbortSignals and returns an AbortSignal
that is aborted when any of the input signals is aborted.
This commit is contained in:
Tim Ledbetter 2024-03-10 18:50:30 +00:00 • committed by Andreas Kling
parent 9eaae99da7
commit 7625d8a155
5 changed files with 198 additions and 1 deletions
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52
Tests/LibWeb/Text/input/abortsignal-any.html Normal file
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<script src="include.js"></script>
<script>
test(() => {
function make_callback(signal, signal_number) {
return () => println(`Abort callback for signal: ${signal_number}. Reason: ${signal.reason}`);
}
function make_signal_list() {
const controller1 = new AbortController();
const controller2 = new AbortController();
const controller3 = new AbortController();
let signals = [];
signals.push(AbortSignal.any([controller1.signal]));
signals.push(AbortSignal.any([controller1.signal, controller2.signal]));
signals.push(AbortSignal.any([controller2.signal]));
signals.push(AbortSignal.any([controller2.signal, controller1.signal]));
const nestedSignal = AbortSignal.any([...signals, controller3.signal]);
signals.push(nestedSignal);
for (let i = 0; i < signals.length; i++) {
const signal = signals[i];
signal.onabort = make_callback(signal, i);
}
return { controllers: [controller1, controller2, controller3], signals: signals};
}
function print_aborted_signals(signals) {
for (let i = 0; i < signals.length; i++) {
const signal = signals[i];
println(`Signal ${i} aborted: ${signal.aborted}`);
}
}
const signal_list1 = make_signal_list();
print_aborted_signals(signal_list1.signals);
signal_list1.controllers[0].abort("Test AbortController 1");
print_aborted_signals(signal_list1.signals);
const signal_list2 = make_signal_list();
print_aborted_signals(signal_list2.signals);
signal_list2.controllers[1].abort("Test AbortController 2");
print_aborted_signals(signal_list2.signals);
const signal_list3 = make_signal_list();
print_aborted_signals(signal_list3.signals);
signal_list3.controllers[2].abort("Test AbortController 3");
print_aborted_signals(signal_list3.signals);
});
</script>