forked from waja/action-debian-package
35 lines
1,006 B
JavaScript
35 lines
1,006 B
JavaScript
import _arity from "./internal/_arity.js";
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import _pipe from "./internal/_pipe.js";
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import reduce from "./reduce.js";
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import tail from "./tail.js";
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/**
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* Performs left-to-right function composition. The first argument may have
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* any arity; the remaining arguments must be unary.
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*
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* In some libraries this function is named `sequence`.
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*
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* **Note:** The result of pipe is not automatically curried.
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*
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* @func
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* @memberOf R
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* @since v0.1.0
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* @category Function
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* @sig (((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)) -> ((a, b, ..., n) -> z)
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* @param {...Function} functions
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* @return {Function}
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* @see R.compose
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* @example
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*
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* const f = R.pipe(Math.pow, R.negate, R.inc);
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*
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* f(3, 4); // -(3^4) + 1
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* @symb R.pipe(f, g, h)(a, b) = h(g(f(a, b)))
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*/
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export default function pipe() {
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if (arguments.length === 0) {
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throw new Error('pipe requires at least one argument');
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}
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return _arity(arguments[0].length, reduce(_pipe, arguments[0], tail(arguments)));
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} |