option-t/esm/plain_result/inspect.js

A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.

import { unsafeUnwrapValueInErrWithoutAnyCheck, unsafeUnwrapValueInOkWithoutAnyCheck, } from './internal/intrinsics_unsafe.js';
import { isErr, isOk } from './result.js';
/**
 *  * Return _input_ directly.
 *      * This value is passed as the input. But it maybe mutated by calling _effector_.
 *  * Call _effector_ with the inner value of _input_ if _input_ is `Ok(T)`.
 *  * This main purpose is to inspect an inner value in a chained function calling.
 *    If you don't have to do it, you should not mutate the inner value.
 *    if-else statement might be sufficient to mutate the inner value instead of calling this function.
 */
export function inspectOkForResult(input, effector) {
    if (isOk(input)) {
        const val = unsafeUnwrapValueInOkWithoutAnyCheck(input);
        effector(val);
    }
    return input;
}
/**
 *  * Return _input_ directly.
 *      * This value is passed as the input. But it maybe mutated by calling _effector_.
 *  * Call _effector_ with the inner value of _input_ if _input_ is `Err(E)`.
 *  * This main purpose is to inspect an inner value in a chained function calling.
 *    If you don't have to do it, you should not mutate the inner value.
 *    if-else statement might be sufficient to mutate the inner value instead of calling this function.
 */
export function inspectErrForResult(input, effector) {
    if (isErr(input)) {
        const err = unsafeUnwrapValueInErrWithoutAnyCheck(input);
        effector(err);
    }
    return input;
}
/**
 *  * Return _input_ directly.
 *      * This value is passed as the input. But it maybe mutated by calling _effector_.
 *  * Call _okEffector_ with the inner value of _input_ if _input_ is `Ok(T)`.
 *    Otherwise, call _errEffector_ with the inner value if _input_ is `Err(E)`
 *  * This main purpose is to inspect an inner value in a chained function calling.
 *    If you don't have to do it, you should not mutate the inner value.
 *    if-else statement might be sufficient to mutate the inner value instead of calling this function.
 */
export function inspectBothForResult(input, okEffector, errEffector) {
    if (isOk(input)) {
        const val = unsafeUnwrapValueInOkWithoutAnyCheck(input);
        okEffector(val);
    }
    else {
        const err = unsafeUnwrapValueInErrWithoutAnyCheck(input);
        errEffector(err);
    }
    return input;
}