is.js•838 B
var _curry2 = require('./internal/_curry2');
/**
* See if an object (`val`) is an instance of the supplied constructor. This
* function will check up the inheritance chain, if any.
*
* @func
* @memberOf R
* @since v0.3.0
* @category Type
* @sig (* -> {*}) -> a -> Boolean
* @param {Object} ctor A constructor
* @param {*} val The value to test
* @return {Boolean}
* @example
*
* R.is(Object, {}); //=> true
* R.is(Number, 1); //=> true
* R.is(Object, 1); //=> false
* R.is(String, 's'); //=> true
* R.is(String, new String('')); //=> true
* R.is(Object, new String('')); //=> true
* R.is(Object, 's'); //=> false
* R.is(Number, {}); //=> false
*/
module.exports = _curry2(function is(Ctor, val) {
return val != null && val.constructor === Ctor || val instanceof Ctor;
});