ts-data-forge/dist/functional/result/impl/result-flat-map.mjs

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import { isErr } from './result-is-err.mjs';

function flatMap(...args) {
    switch (args.length) {
        case 2: {
            // Direct version: first argument is result
            const [result, flatMapFn] = args;
            return flatMapImpl(result, flatMapFn);
        }
        case 1: {
            // Curried version
            const [flatMapFn] = args;
            return (result) => flatMapImpl(result, flatMapFn);
        }
    }
}
const flatMapImpl = (result, flatMapFn) => isErr(result)
    ? // eslint-disable-next-line total-functions/no-unsafe-type-assertion
        result
    : // eslint-disable-next-line total-functions/no-unsafe-type-assertion
        flatMapFn(result.value);

export { flatMap };
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