mirror of
https://github.com/vercel-labs/scriptc.git
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Chris Tate
1f23c28bb0
* Expand static Array flattening, splice insertion, and join coercion * Refresh Array diagnostic and TypeScript 7 baselines
18 lines
770 B
TypeScript
18 lines
770 B
TypeScript
console.log([1, 2, 3].join(), ["a", "b"].join(), [true, false].join());
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console.log([1, 2].join(undefined), [1, 2].join(void 0));
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console.log([1, 2].join("|"), [1].join(), ([] as number[]).join());
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let calls = 0;
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function missing(): undefined { calls++; return undefined; }
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console.log([5, 6].join(missing()), calls);
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// @ts-ignore JavaScript accepts a numeric separator.
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console.log([1, 2, 3].join(0));
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// @ts-ignore JavaScript accepts a boolean separator.
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console.log([1, 2].join(false));
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// @ts-ignore JavaScript accepts a null separator.
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console.log([1, 2].join(null));
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function optionalSeparator(usePipe: boolean): string | undefined { return usePipe ? "|" : undefined; }
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console.log([1, 2].join(optionalSeparator(true)), [1, 2].join(optionalSeparator(false)));
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