wehub-resource-sync
40 lines
1.6 KiB
TypeScript
40 lines
1.6 KiB
TypeScript
/**
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* #5757 guard fixture — NOT a test file (no `.test.` in the name, so the runner
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* skips it). Exercised by `tests/unit/tsx-runtime-transform-5757.test.ts`.
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*
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* It concentrates the modern JS/TS syntax that the published CLI's runtime
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* `tsx/esm` loader (`bin/omniroute.mjs` → `await import("tsx/esm")`) must
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* transform through esbuild at startup: object/array destructuring + rest,
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* object/array spread, class + private fields, optional chaining, nullish
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* coalescing, logical assignment, async/await and top-level await.
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*
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* If a future esbuild (pulled transitively via `tsx`) cannot transform this on a
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* supported Node runtime, running this file fails — which is the whole point.
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*/
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class Box {
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value = 41; // public class field
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#secret = 1; // private field
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bump(): number {
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this.value += this.#secret;
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return this.value;
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}
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}
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async function main() {
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const { a, b, ...rest } = { a: 1, b: 2, c: 3, d: 4 }; // object destructuring + rest
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const [first, ...tail] = [10, 20, 30]; // array destructuring + rest
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const merged = { ...rest, first }; // object spread
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const arr = [...tail, first]; // array spread
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const bumped = new Box().bump(); // class + private field
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const maybe: { x?: { y?: number } } = {};
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const opt = maybe?.x?.y ?? 99; // optional chaining + nullish coalescing
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let acc = 0;
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acc ||= bumped; // logical assignment
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const total = await Promise.resolve(a + b + first + opt + acc); // async/await
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return { a, b, rest, first, tail, merged, arr, bumped, opt, total };
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}
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const result = await main(); // top-level await
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console.log("TSX_TRANSFORM_OK " + JSON.stringify(result));
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