[JS typeguards] #typescript #typeguard #js #jsdoc

isNotNullable.js

/**
 * Checks if the value is neither `null` or `undefined`.
 * @template T
 * @param {T} value The value to check.
 * @returns { value is NonNullable<T> } Returns `true` if `value` is non-nullable, else `false`.
 */
export default function isNonNullable(value) {
  return value != null
}