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Update result.ts to improve type inference in function parameters #640

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Update result.ts to improve type inference in function parameters #640

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24 changes: 12 additions & 12 deletions src/result.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,19 +20,19 @@ export namespace Result {
* @param errorFn when an error is thrown, this will wrap the error result if provided
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function fromThrowable<Fn extends (...args: readonly any[]) => any, E>(
fn: Fn,
errorFn?: (e: unknown) => E,
): (...args: Parameters<Fn>) => Result<ReturnType<Fn>, E> {
return (...args) => {
try {
const result = fn(...args)
return ok(result)
} catch (e) {
return err(errorFn ? errorFn(e) : e)
}
export function fromThrowable<A extends readonly any[], R, E>(
fn: (...args: A) => R,
errorFn?: (e: unknown) => E,
): (...args: A) => Result<R, E> {
return (...args: A) => {
try {
const result = fn(...args);
return ok(result);
} catch (e) {
return err(errorFn ? errorFn(e) : e);
}
}
};
}

export function combine<
T extends readonly [Result<unknown, unknown>, ...Result<unknown, unknown>[]]
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