15 lines
591 B
TypeScript
15 lines
591 B
TypeScript
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import flow from 'lodash/flow';
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export const then = <T, V>(fn: (r: T) => V) => (p: Promise<T>) => Promise.resolve(p).then(fn);
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const filterPromiseSymbol = Symbol('filterPromiseSymbol');
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export const onlySuccessfulPromises = (promises: Promise<unknown>[]) => {
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return Promise.all(promises.map(p => p.catch(() => filterPromiseSymbol))).then(results =>
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results.filter(result => result !== filterPromiseSymbol),
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);
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};
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const wrapFlowAsync = (fn: Function) => async (arg: unknown) => fn(await arg);
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export const flowAsync = (fns: Function[]) => flow(fns.map(fn => wrapFlowAsync(fn)));
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