roger-hamilton

type WhiteSpace = ' ' | '\t' | '\n' | '\r' | '\f'

type Trim<S extends string> =
    S extends `${WhiteSpace}${infer T}` ? Trim<T>
    : S extends `${infer T}${WhiteSpace}` ? Trim<T>
    : S

type SqlParamsUnion<T extends string, P extends string = '@'> =
    T extends `${any}${P}${infer P}${WhiteSpace}${infer R}`
    ? Trim<P> | SqlParamsUnion<R>

roger-hamilton

Test

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roger-hamilton

undefined

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