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ceecd8c495
This PR optimizes `structuredClone` when it's called without
transferables.
### Benchmarks
**main**
```
cpu: 13th Gen Intel(R) Core(TM) i9-13900H
runtime: deno 1.37.1 (x86_64-unknown-linux-gnu)
benchmark time (avg) iter/s (min … max) p75 p99 p995
----------------------------------------------------------------------------------- -----------------------------
structuredClone object 1.64 µs/iter 611,086.0 (1.58 µs … 1.84 µs) 1.66 µs 1.84 µs 1.84 µs
structuredClone transferables 2.82 µs/iter 354,281.4 (2.78 µs … 2.92 µs) 2.84 µs 2.92 µs 2.92 µs
```
**this PR**
```
cpu: 13th Gen Intel(R) Core(TM) i9-13900H
runtime: deno 1.37.1 (x86_64-unknown-linux-gnu)
structuredClone object 1 µs/iter 998,383.5 (971.28 ns … 1.2 µs) 1 µs 1.2 µs 1.2 µs
structuredClone transferables 2.82 µs/iter 355,087.5 (2.7 µs … 3.07 µs) 2.83 µs 3.07 µs 3.07 µs
```
```js
Deno.bench("structuredClone object", () => {
structuredClone({ foo: "bar" });
});
Deno.bench("structuredClone transferables", () => {
const buf = new Uint8Array([97]);
structuredClone(buf, {
transfer: [buf.buffer],
});
});
```
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| broadcast_channel | ||
| cache | ||
| console | ||
| crypto | ||
| fetch | ||
| ffi | ||
| fs | ||
| http | ||
| io | ||
| kv | ||
| napi | ||
| net | ||
| node | ||
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| url | ||
| web | ||
| webidl | ||
| websocket | ||
| webstorage | ||