import { isNullish } from "./is-nullish.ts"; import { parseAndSanitizeString } from "./sanitize-string.ts"; export function isNotANumber(value: unknown): boolean { if (isNullish(value)) { return true; } if (typeof value === "string") { const sanitized = parseAndSanitizeString(value); if (sanitized === "") { return true; } } if ( typeof value === "boolean" || typeof value === "object" || Array.isArray(value) ) { return true; } return isNaN(Number(value)); }