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Shuumatsu/compose.js

Created July 5, 2018 06:43
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compose.js
export const sync = syncFn => (data, cb) => data |> syncFn |> cb;
export const compose = (taskList, cb) =>
reduceRight((next, task) => data => task(data, next), cb, taskList);
export const withErrorHandler = handler =>
map(task => (data, next) =>
data instanceof Error ? handler(data) : task(data, next)
);
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