36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
import _curry2 from "./internal/_curry2.js";
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import pipeWith from "./pipeWith.js";
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import reverse from "./reverse.js";
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/**
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* Performs right-to-left function composition using transforming function. The last function may have
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* any arity; the remaining functions must be unary. Unlike `compose`, functions are passed in an array.
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*
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* **Note:** The result of composeWith is not automatically curried. Transforming function is not used
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* on the last argument.
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*
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* @func
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* @memberOf R
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* @since v0.26.0
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* @category Function
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* @sig ((* -> *), [(y -> z), (x -> y), ..., (o -> p), ((a, b, ..., n) -> o)]) -> ((a, b, ..., n) -> z)
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* @param {Function} transformer The transforming function
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* @param {Array} functions The functions to compose
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* @return {Function}
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* @see R.compose, R.pipeWith
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* @example
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*
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* const composeWhileNotNil = R.composeWith((f, res) => R.isNil(res) ? res : f(res));
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*
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* composeWhileNotNil([R.inc, R.prop('age')])({age: 1}) //=> 2
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* composeWhileNotNil([R.inc, R.prop('age')])({}) //=> undefined
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*
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* @symb R.composeWith(f)([g, h, i])(...args) = f(g, f(h, i(...args)))
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*/
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var composeWith =
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/*#__PURE__*/
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_curry2(function composeWith(xf, list) {
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return pipeWith.apply(this, [xf, reverse(list)]);
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});
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export default composeWith; |