32 lines
742 B
JavaScript
32 lines
742 B
JavaScript
|
import _curry1 from "./internal/_curry1.js";
|
||
|
import empty from "./empty.js";
|
||
|
import equals from "./equals.js";
|
||
|
/**
|
||
|
* Returns `true` if the given value is its type's empty value; `false`
|
||
|
* otherwise.
|
||
|
*
|
||
|
* @func
|
||
|
* @memberOf R
|
||
|
* @since v0.1.0
|
||
|
* @category Logic
|
||
|
* @sig a -> Boolean
|
||
|
* @param {*} x
|
||
|
* @return {Boolean}
|
||
|
* @see R.empty
|
||
|
* @example
|
||
|
*
|
||
|
* R.isEmpty([1, 2, 3]); //=> false
|
||
|
* R.isEmpty([]); //=> true
|
||
|
* R.isEmpty(''); //=> true
|
||
|
* R.isEmpty(null); //=> false
|
||
|
* R.isEmpty({}); //=> true
|
||
|
* R.isEmpty({length: 0}); //=> false
|
||
|
*/
|
||
|
|
||
|
var isEmpty =
|
||
|
/*#__PURE__*/
|
||
|
_curry1(function isEmpty(x) {
|
||
|
return x != null && equals(x, empty(x));
|
||
|
});
|
||
|
|
||
|
export default isEmpty;
|