ts-cast/esm/types/undef.js

Runtime typechecking

import { casterApi } from '../engine';
import { throwTypeError } from '../engine/throw-type-error';
const castUndefined = (value, context, reportError = throwTypeError) => {
    if (value === undefined)
        return undefined;
    return reportError(`undefined is expected${context ? ` in ${context}` : ''} but "${value}" received.`, context);
};
Object.defineProperty(castUndefined, 'name', { value: 'undefined' });
export const undef = casterApi(castUndefined);