ramda
Version:
A practical functional library for JavaScript programmers.
31 lines • 1 kB
JavaScript
var _curry1 = /*#__PURE__*/require("./internal/_curry1.js");
var empty = /*#__PURE__*/require("./empty.js");
var equals = /*#__PURE__*/require("./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, R.isNotEmpty
* @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
* R.isEmpty(Uint8Array.from('')); //=> true
* R.isEmpty(new Set()) //=> true
* R.isEmpty(new Map()) //=> true
*/
var isEmpty = /*#__PURE__*/_curry1(function isEmpty(x) {
return x != null && equals(x, empty(x));
});
module.exports = isEmpty;