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

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import { isOk } from './ternary-result-is-ok.mjs';
import { isWarn } from './ternary-result-is-warn.mjs';
import { warn } from './ternary-result-warn.mjs';

function flatMap(...args) {
    switch (args.length) {
        case 2: {
            const [result, flatMapFn] = args;
            return flatMapImpl(result, flatMapFn);
        }
        case 1: {
            const [flatMapFn] = args;
            return (result) => flatMapImpl(result, flatMapFn);
        }
    }
}
const flatMapImpl = (result, flatMapFn) => {
    if (isOk(result)) {
        // eslint-disable-next-line total-functions/no-unsafe-type-assertion
        return flatMapFn(result.value);
    }
    if (isWarn(result)) {
        const next = flatMapFn(
        // eslint-disable-next-line total-functions/no-unsafe-type-assertion
        result.value);
        if (isOk(next)) {
            return warn(next.value, 
            // eslint-disable-next-line total-functions/no-unsafe-type-assertion
            result.warning);
        }
        if (isWarn(next)) {
            return warn(next.value, next.warning);
        }
        return next;
    }
    // eslint-disable-next-line total-functions/no-unsafe-type-assertion
    return result;
};

export { flatMap };
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