mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-24 06:14:01 +08:00
Chris Tate
bf21f47827
- Preserve async factory results and mixed table layouts through inference and destructuring. - Support checked Map and Object.fromEntries construction with native weak collections. - Keep native weak-key lifetimes and engine-backed collection identities intact.
24 lines
801 B
JavaScript
24 lines
801 B
JavaScript
const source = {
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/** @param {Uint8Array} value */
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ptr(value) { return value.byteLength; },
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/** @param {number} pointer @param {number} offset @param {number} length */
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toArrayBuffer(pointer, offset, length) { return new ArrayBuffer(length); },
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};
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function createBackend(ffi) {
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return {
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ptr: ffi.ptr,
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toArrayBuffer(pointer, offset, length) {
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return ffi.toArrayBuffer(pointer, offset, length);
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},
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};
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}
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async function loadBackend() {
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return createBackend(await loadSource());
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}
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async function loadSource() { return source; }
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const backend = await loadBackend();
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console.log(backend.ptr(new Uint8Array(4)), backend.toArrayBuffer(0, 0, 8).byteLength);
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console.log(await loadSource() === source);
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const load = loadBackend;
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console.log((await load()).ptr(new Uint8Array(4)));
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