import { OperatorFunction } from "../types";
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import { map } from "../operators/map";
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const { isArray } = Array;
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function callOrApply<T, R>(fn: ((...values: T[]) => R), args: T|T[]): R {
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return isArray(args) ? fn(...args) : fn(args);
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}
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/**
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* Used in several -- mostly deprecated -- situations where we need to
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* apply a list of arguments or a single argument to a result selector.
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*/
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export function mapOneOrManyArgs<T, R>(fn: ((...values: T[]) => R)): OperatorFunction<T|T[], R> {
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return map(args => callOrApply(fn, args))
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}
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