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Allow using a final function without a transform - #916

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sindresorhus merged 1 commit into
mainfrom
final-only
Mar 19, 2024
Merged

Allow using a final function without a transform#916
sindresorhus merged 1 commit into
mainfrom
final-only

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@ehmicky

@ehmicky ehmicky commented Mar 19, 2024 •
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Transforms can optionally specify a final function to output some data at the end of stdout/stderr.

At the moment, a final function can only be used if a transform function is used too. However, there are some use cases for using a final function alone. For example, one can append data with:

const final = function * () {
  yield 'Last line.';
};

const {stdout} = await execa(..., {stdout: {final}});
console.log(stdout); // Ends with "Last line."

This PR enables this.

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@ehmicky @sindresorhus