mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-02 08:35:07 +08:00
Chris Tate
05021faf2f
- Compile mesh construction, transforms, cloning, and material updates for native and WASI targets. - Preserve subclass dispatch, fluent returns, and shared array identity in JavaScript packages. - Support native class arrays and recursive conversions without materializing classes for type checks.
30 lines
1.2 KiB
TypeScript
30 lines
1.2 KiB
TypeScript
class Plane {
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constant: number;
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constructor(value: number) { this.constant = value; }
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}
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function roundtrip(value: unknown): Plane[] { return value as Plane[]; }
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function optional(value: unknown): Plane[] | null { return value as Plane[] | null; }
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const plane = new Plane(2);
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const planes = [plane];
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const copy = roundtrip(planes);
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console.log('array', copy.length, copy[0] === plane, copy[0].constant);
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copy[0].constant = 4;
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console.log('mutation', plane.constant, optional(planes)![0] === plane, optional(null) === null);
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function boxedRecord(value: unknown) { return value; }
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const boxed = boxedRecord({plane, planes});
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const view = boxed as {plane: unknown; planes: unknown[]};
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console.log('record', view.plane === plane, view.planes[0] === plane);
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const callback: unknown = (value: Plane): number => value.constant;
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console.log('callback', (callback as (value: Plane) => number)(plane));
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class Tree {
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children: Tree[] = [];
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select: (node: Tree) => Tree[] = (node) => node.children;
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}
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const root = new Tree(), child = new Tree();
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root.children.push(child);
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const tree: unknown = root;
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const restored = tree as Tree;
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console.log('recursive', restored === root, restored.select(root)[0] === child);
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console.log('view', Object.keys(tree as object).sort().join(','));
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