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- import _curry3 from "./internal/_curry3.js";
- import map from "./map.js";
- import sequence from "./sequence.js";
- /**
- * Maps an [Applicative](https://github.com/fantasyland/fantasy-land#applicative)-returning
- * function over a [Traversable](https://github.com/fantasyland/fantasy-land#traversable),
- * then uses [`sequence`](#sequence) to transform the resulting Traversable of Applicative
- * into an Applicative of Traversable.
- *
- * Dispatches to the `traverse` method of the third argument, if present.
- *
- * @func
- * @memberOf R
- * @since v0.19.0
- * @category List
- * @sig fantasy-land/of :: TypeRep f => f ~> a -> f a
- * @sig (Applicative f, Traversable t) => TypeRep f -> (a -> f b) -> t a -> f (t b)
- * @sig (Applicative f, Traversable t) => (b -> f b) -> (a -> f b) -> t a -> f (t b)
- * @param {Object|Function} TypeRepresentative with an `of` or `fantasy-land/of` method
- * @param {Function} f
- * @param {*} traversable
- * @return {*}
- * @see R.sequence
- * @example
- *
- * // Returns `Maybe.Nothing` if the given divisor is `0`
- * const safeDiv = n => d => d === 0 ? Maybe.Nothing() : Maybe.Just(n / d)
- *
- * R.traverse(Maybe.of, safeDiv(10), [2, 4, 5]); //=> Maybe.Just([5, 2.5, 2])
- * R.traverse(Maybe.of, safeDiv(10), [2, 0, 5]); //=> Maybe.Nothing
- *
- * // Using a Type Representative
- * R.traverse(Maybe, safeDiv(10), Right(4)); //=> Just(Right(2.5))
- * R.traverse(Maybe, safeDiv(10), Right(0)); //=> Nothing
- * R.traverse(Maybe, safeDiv(10), Left("X")); //=> Just(Left("X"))
- */
- var traverse =
- /*#__PURE__*/
- _curry3(function traverse(F, f, traversable) {
- var of = typeof F['fantasy-land/of'] === 'function' ? F['fantasy-land/of'] : typeof F.of === 'function' ? F.of : F;
- var TypeRep = {
- 'fantasy-land/of': of
- };
- return typeof traversable['fantasy-land/traverse'] === 'function' ? traversable['fantasy-land/traverse'](TypeRep, f) : typeof traversable.traverse === 'function' ? traversable.traverse(TypeRep, f) : sequence(TypeRep, map(f, traversable));
- });
- export default traverse;
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