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- import _curry2 from "./internal/_curry2.js";
- import ap from "./ap.js";
- import map from "./map.js";
- import prepend from "./prepend.js";
- import reduceRight from "./reduceRight.js";
- import identity from "./internal/_identity.js";
- /**
- * Transforms a [Traversable](https://github.com/fantasyland/fantasy-land#traversable)
- * of [Applicative](https://github.com/fantasyland/fantasy-land#applicative) into an
- * Applicative of Traversable.
- *
- * Dispatches to the `"fantasy-land/traverse"` or the `traverse` method of the second 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 -> t (f a) -> f (t a)
- * @sig (Applicative f, Traversable t) => (a -> f a) -> t (f a) -> f (t a)
- * @param {Object|Function} TypeRepresentative with an `of` or `fantasy-land/of` method
- * @param {*} traversable
- * @return {*}
- * @see R.traverse
- * @example
- *
- * R.sequence(Maybe.of, [Just(1), Just(2), Just(3)]); //=> Just([1, 2, 3])
- * R.sequence(Maybe.of, [Just(1), Just(2), Nothing()]); //=> Nothing()
- *
- * R.sequence(R.of(Array), Just([1, 2, 3])); //=> [Just(1), Just(2), Just(3)]
- * R.sequence(R.of(Array), Nothing()); //=> [Nothing()]
- */
- var sequence =
- /*#__PURE__*/
- _curry2(function sequence(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, identity) : typeof traversable.traverse === 'function' ? traversable.traverse(TypeRep, identity) : reduceRight(function (x, acc) {
- return ap(map(prepend, x), acc);
- }, of([]), traversable);
- });
- export default sequence;
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