mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-28 06:53:42 +08:00
Chris Tate
76a086681a
- Preserve nullable class fields and module callbacks in native storage with correct initialization behavior. - Support typed-array construction, bulk copying, and in-place compaction through checked native values. - Preserve receiver identity and evaluation order in nested field updates.
37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
let trace = "";
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class Counter {
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count = 2;
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get value(): number { trace += "get;"; return this.count; }
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set value(value: number) { trace += "set;"; this.count = value; }
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}
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let active = new Counter();
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const original = active;
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function receiver(): Counter { trace += "receiver;"; return active; }
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function replace(): number {
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trace += "rhs;";
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original.count = 100;
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active = new Counter();
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return 5;
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}
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receiver().value += replace();
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console.log(trace, original.count, active.count);
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trace = "";
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const saved = active;
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active.count += replace();
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console.log(trace, saved.count, active.count);
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const nested = { inner: { length: 1, label: "a" } };
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nested.inner.length += 4;
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nested.inner.label += "b";
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console.log(nested.inner.length, nested.inner.label);
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const rows = [{ count: 3 }];
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rows[0]!.count *= 4;
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console.log(rows[0]!.count);
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let calls = 0;
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function read(): Counter { calls++; return active; }
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read().count++;
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read().count **= 2;
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console.log(calls, active.count);
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try {
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receiver().value += (() : number => { trace += "throw;"; throw new Error("rhs"); })();
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} catch (e) { console.log("caught", active.count, trace); }
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