11 lines
452 B
JavaScript
11 lines
452 B
JavaScript
const utils = {}
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utils.compose = (...fns) => (initialVal) => fns.reduceRight((val, fn) => fn(val), initialVal)
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utils.pipe = (...fns) => (initialVal) => fns.reduce((val, fn) => fn(val), initialVal)
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utils.composeAsync = (...fns) => input => fns.reduceRight((chain, func) => chain.then(func), Promise.resolve(input));
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utils.pipeAsync = (...fns) => input => fns.reduce((chain, func) => chain.then(func), Promise.resolve(input));
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module.exports = utils
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