mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-24 06:14:01 +08:00
Chris Tate
1f10e83720
- Preserve callback identity, receiver binding, and class references across unions and collections. - Track record field presence independently of undefined values and improve native runtime behavior. - Expand differential coverage and streamline CI bootstrap and compiler rebuild checks.
58 lines
1.6 KiB
TypeScript
58 lines
1.6 KiB
TypeScript
// @transform-types
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function update(values: number[], index: number): void {
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let value = values[index];
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const post = value++;
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const pre = ++value;
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const down = value--;
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const last = --value;
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console.log(post, pre, down, last, value, Object.is(post, -0));
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value = values[index + 1];
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value++;
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--value;
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console.log(value, Number.isNaN(value));
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}
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update([3, 8], 0);
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update([-0], 0);
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update([], 4);
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const positions = [1, 3, 5];
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let visited = "";
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for (let i = 0; i < positions.length; i++) {
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for (let j = positions[i]; j < 7; j++) visited += String(j);
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}
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console.log(visited);
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let captured = positions[0];
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function next(): number { return captured++; }
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console.log(next(), next(), captured);
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class Counter {
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static value = positions[0];
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}
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console.log(Counter.value++, ++Counter.value, Counter.value);
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Counter.value = positions[99];
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Counter.value++;
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console.log(Counter.value, Number.isNaN(Counter.value));
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namespace State {
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export let value = positions[1];
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}
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console.log(State.value++, --State.value);
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State.value = positions[99];
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State.value++;
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console.log(Number.isNaN(State.value));
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class Deferred {
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static value = 3;
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static copy = Counter.value;
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}
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Deferred.value = positions[99];
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console.log(Deferred.value++, ++Deferred.copy);
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if (Counter.value !== undefined) console.log(Counter.value + 1);
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class OptionalCounter {
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static value: number | undefined = positions[0];
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}
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OptionalCounter.value = positions[99];
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console.log(OptionalCounter.value === undefined, Number.isNaN(OptionalCounter.value));
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console.log(OptionalCounter.value++, Number.isNaN(OptionalCounter.value));
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