24 lines
763 B
JavaScript
24 lines
763 B
JavaScript
/* eslint-disable */
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/**
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* Composes single-argument functions from right to left. The rightmost
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* function can take multiple arguments as it provides the signature for
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* the resulting composite function.
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*
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* @param {...Function} funcs The functions to compose.
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* @returns {Function} A function obtained by composing the argument functions
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* from right to left. For example, compose(f, g, h) is identical to doing
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* (...args) => f(g(h(...args))).
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*/
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function composeImpl(...funcs) {
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if (funcs.length === 0) {
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return arg => arg;
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}
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const last = funcs[funcs.length - 1];
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const rest = funcs.slice(0, -1);
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return (...args) => rest.reduceRight((composed, f) => f(composed), last(...args));
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}
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const compose = composeImpl;
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export default compose; |