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is-what

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JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

github.com/mesqueeb/is-what

mesqueeb/is-what

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/** * Checks if a string is a valid hexadecimal string. If a length is provided, it also checks that * the string has that length. */ export declare function isHexDecimal(payload: unknown, length?: number): payload is string;