Can typescript validate string with a specific suffix?

Question

I wonder if there is something like this in ts:

type AudioFilename = "*.mp3"

const file1: AudioFilename = "textfile.txt" // Error
const file2: AudioFilename = "audiofile.mp3"

Tobias S. · Accepted Answer · 2022-06-06 00:37:29Z

1

type AudioFilename = `${string}.mp3`

answered Jun 6, 2022 at 0:37

Tobias S.

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