import _curry1 from "./internal/_curry1.js"; import _isArguments from "./internal/_isArguments.js"; import _isArray from "./internal/_isArray.js"; import _isObject from "./internal/_isObject.js"; import _isString from "./internal/_isString.js"; /** * Returns the empty value of its argument's type. Ramda defines the empty * value of Array (`[]`), Object (`{}`), String (`''`), and Arguments. Other * types are supported if they define `.empty`, * `.prototype.empty` or implement the * [FantasyLand Monoid spec](https://github.com/fantasyland/fantasy-land#monoid). * * Dispatches to the `empty` method of the first argument, if present. * * @func * @memberOf R * @since v0.3.0 * @category Function * @sig a -> a * @param {*} x * @return {*} * @example * * R.empty(Just(42)); //=> Nothing() * R.empty([1, 2, 3]); //=> [] * R.empty('unicorns'); //=> '' * R.empty({x: 1, y: 2}); //=> {} */ var empty = /*#__PURE__*/ _curry1(function empty(x) { return x != null && typeof x['fantasy-land/empty'] === 'function' ? x['fantasy-land/empty']() : x != null && x.constructor != null && typeof x.constructor['fantasy-land/empty'] === 'function' ? x.constructor['fantasy-land/empty']() : x != null && typeof x.empty === 'function' ? x.empty() : x != null && x.constructor != null && typeof x.constructor.empty === 'function' ? x.constructor.empty() : _isArray(x) ? [] : _isString(x) ? '' : _isObject(x) ? {} : _isArguments(x) ? function () { return arguments; }() : void 0 // else ; }); export default empty;