TypeScript type for a string or array of strings

Dec 21, 2023

Learn how to declare a TypeScript type that can be either a string or an array of strings using a union, written as string or string[].

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Simple one, but I forgot the exact syntax and had to search for it, so let me write it:

export interface Props {
  tag: string | string[]
}

tag can be a string, or an array of strings

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