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18 lines
298 B
JavaScript
18 lines
298 B
JavaScript
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/**
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* @param {Function[]} functions
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* @return {Function}
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*/
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var compose = function(functions) {
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return function(x) {
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return functions.reduceRight(
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(val, f) => f(val),
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x,
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);
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};
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};
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/**
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* const fn = compose([x => x + 1, x => 2 * x])
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* fn(4) // 9
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*/
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