ts-util-is (npm): TypeScript typeof utility helper with no dependencies.
Keywords: typescript|util|typeof|type guards|isArray|isBase64|isBoolean|isDate|isDateValid|isDefined|isError|isFunction|isGuid|isInfinity|isNull|isNumber|isObject|isRegExp|isString|isSymbol|isUndefined|isThis|isThat|polyfill|type-guards