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atomicmattie/is-undefined.ts

Created July 6, 2023 13:26
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type guard for undefined values
Raw
is-undefined.ts
/**
* Checks if a value is undefined, serving as a type guard for narrowing.
*
* @param value value to check
* @returns true if value is `undefined`
*/
export const isUndefined = (value: any): value is undefined => typeof value === 'undefined';
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