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Better support for Uint8Array in ReadableStream

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There's always going to be ambiguity between a string and a Uint8Array. We
already had TypedArray(u8) as a discriminator when _returning_ values. But now
the type is also used by mapping JS values to Zig. To support this efficiently
when probing the union, the typed array mapping logic was extracted into its
own function (so that it can be used by the probe).
This commit is contained in:
Karl Seguin
2025-09-29 20:23:09 +08:00
parent 20cb6cdd8b
commit 2ecf9016ba
7 changed files with 156 additions and 96 deletions
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17
src/tests/streams/readable_stream.html
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@@ -1,3 +1,4 @@
<!DOCTYPE html>
<script src="../testing.js"></script>
<script id=readable_stream>
@@ -17,6 +18,22 @@
});
</script>
<script id=readable_stream_binary>
const input = new TextEncoder().encode('over 9000!');
const binStream = new ReadableStream({
start(controller) {
controller.enqueue(input);
controller.enqueue("world");
controller.close();
}
});
testing.async(binStream.getReader().read(), (data) => {
testing.expectEqual(input, data.value);
testing.expectEqual(false, data.done);
});
</script>
<script id=readable_stream_close>
var closeResult;