Function isType

Takes a type string and checks if given input is of that typeof. This "patches" typeof so null is not "object" but "null" instead (rejected proposal for lack of backwards compatibility, more details here).

Example

const isString = isType("string");

isString("value"); // true
isString(1); // false

Returns

Curried function with type in context that returns true if input is of typeof type, false otherwise.