refactor(core/stdlib): streamline tryIt function with improved promise handling
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@@ -4,21 +4,24 @@ export type TryItReturn<Return> = Return extends Promise<any>
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? Promise<{ error: Error; data: undefined } | { error: undefined; data: Awaited<Return> }>
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: { error: Error; data: undefined } | { error: undefined; data: Return };
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function onResolve(data: any) { return { error: undefined, data }; }
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function onReject(error: any) { return { error, data: undefined }; }
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/**
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* @name tryIt
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* @category Async
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* @description Wraps promise-based code in a try/catch block without forking the control flow
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*
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*
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* @param {Function} fn - The function to try
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* @returns {Function} - The function that will return a tuple with the error and the result
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*
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*
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* @example
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* const wrappedFetch = tryIt(fetch);
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* const { error, data } = await wrappedFetch('https://jsonplaceholder.typicode.com/todos/1');
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*
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*
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* @example
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* const { error, data } = await tryIt(fetch)('https://jsonplaceholder.typicode.com/todos/1');
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*
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*
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* @since 0.0.3
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*/
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export function tryIt<Args extends any[], Return>(
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@@ -29,9 +32,7 @@ export function tryIt<Args extends any[], Return>(
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const result = fn(...args);
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if (isPromise(result))
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return result
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.then((value) => ({ error: undefined, data: value }))
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.catch((error) => ({ error, data: undefined })) as TryItReturn<Return>;
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return result.then(onResolve).catch(onReject) as TryItReturn<Return>;
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return { error: undefined, data: result } as TryItReturn<Return>;
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} catch (error) {
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