const getType = (payload) => Object.prototype.toString.call(payload).slice(8, -1); export const isUndefined = (payload) => typeof payload === 'undefined'; export const isNull = (payload) => payload === null; export const isPlainObject = (payload) => { if (typeof payload !== 'object' || payload === null) return false; if (payload === Object.prototype) return false; if (Object.getPrototypeOf(payload) === null) return true; return Object.getPrototypeOf(payload) === Object.prototype; }; export const isEmptyObject = (payload) => isPlainObject(payload) && Object.keys(payload).length === 0; export const isArray = (payload) => Array.isArray(payload); export const isString = (payload) => typeof payload === 'string'; export const isNumber = (payload) => typeof payload === 'number' && !isNaN(payload); export const isBoolean = (payload) => typeof payload === 'boolean'; export const isRegExp = (payload) => payload instanceof RegExp; export const isMap = (payload) => payload instanceof Map; export const isSet = (payload) => payload instanceof Set; export const isSymbol = (payload) => getType(payload) === 'Symbol'; export const isDate = (payload) => payload instanceof Date && !isNaN(payload.valueOf()); export const isError = (payload) => payload instanceof Error; export const isNaNValue = (payload) => typeof payload === 'number' && isNaN(payload); export const isPrimitive = (payload) => isBoolean(payload) || isNull(payload) || isUndefined(payload) || isNumber(payload) || isString(payload) || isSymbol(payload); export const isBigint = (payload) => typeof payload === 'bigint'; export const isInfinite = (payload) => payload === Infinity || payload === -Infinity; export const isTypedArray = (payload) => ArrayBuffer.isView(payload) && !(payload instanceof DataView); export const isURL = (payload) => payload instanceof URL; //# sourceMappingURL=is.js.map