August 2024
Beginner to intermediate
384 pages
7h 38m
Korean
Content preview from 자바스크립트 + 리액트 디자인 패턴
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
224
자바스크립트 + 리액트 디자인 패턴
while (retries <= maxRetries) {
try {
return await fn();
} catch (error) {
retries++;
console.error(error);
await new Promise((resolve) => setTimeout(resolve, retryDelay));
}
}
throw new Error(`Failed after ${retries} retries.`);
}
retry(() => makeRequest("http://example.com/")).then((data) => {
console.log(data);
});
9.5.9
async
/
await
데코레이터 작성하기
function asyncDecorator(fn) {
return async function (...args) {
try {
return await fn(...args);
} catch (error) {
throw error;
}
};
}
const makeRequest = asyncDecorator(async function (url) {
const response = await fetch(url);
const data = await response.json();
return data;
});
makeRequest("http://example.com/").then((data) ...