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x/ramda/construct.js

:ram: Practical functional Javascript
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import _curry1 from './internal/_curry1';import constructN from './constructN';

/** * Wraps a constructor function inside a curried function that can be called * with the same arguments and returns the same type. * * @func * @memberOf R * @since v0.1.0 * @category Function * @sig (* -> {*}) -> (* -> {*}) * @param {Function} fn The constructor function to wrap. * @return {Function} A wrapped, curried constructor function. * @see R.invoker * @example * * // Constructor function * function Animal(kind) { * this.kind = kind; * }; * Animal.prototype.sighting = function() { * return "It's a " + this.kind + "!"; * } * * const AnimalConstructor = R.construct(Animal) * * // Notice we no longer need the 'new' keyword: * AnimalConstructor('Pig'); //=> {"kind": "Pig", "sighting": function (){...}}; * * const animalTypes = ["Lion", "Tiger", "Bear"]; * const animalSighting = R.invoker(0, 'sighting'); * const sightNewAnimal = R.compose(animalSighting, AnimalConstructor); * R.map(sightNewAnimal, animalTypes); //=> ["It's a Lion!", "It's a Tiger!", "It's a Bear!"] */var construct = _curry1(function construct(Fn) { return constructN(Fn.length, Fn);});export default construct;