fmt: Option to get rid of redundant parentheses around single arrow function argument #29451

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brunnerh opened this issue May 26, 2025 · 0 comments

brunnerh commented May 26, 2025 •

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Currently Deno always adds parentheses which are unnecessary noise.

array
  .filter((x) => x > 0)
  .map((x) => x * 2)
  .reduce((acc, x) => acc + x, 0);

// vs.

array
  .filter(x => x > 0)
  .map(x => x * 2)
  .reduce((acc, x) => acc + x, 0);

An option to control the behavior would be helpful.

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