es-type-checker (npm): ESNext type checker.
Keywords: javascript|typechecker|check-type|javascript-type|primitive-types|class-check|type-checking|type-checker|type-check|define-type|get-type|what-type|is-string|is-number|is-boolean|is-symbol|is-function|is-BigInt|is-undefined|is-null|is-array|is-date|is-object|is-set|is-map|is-WeakSet|is-WeakMap|is-WeakRef|is-RegExp|is-Error|is-RangeError|is-ReferenceError|is-SyntaxError|is-TypeError|is-Buffer|is-Promise|is-JSON|is-JSON5|is-class|is-empty|is-notEmpty