'Cache API Calls in JavaScript by Memoizing Promises' javascript memoization
data structure with a unique key for each request. If the same API is called with the same key again, we can return the promise from the cache without fetching it again from the server.function that returns a promiseto make API calls and the results will be cached automatically with the key being theto the function. So if the function is called with the same arguments again, the result will be served from the cache.
const memoizePromiseFn==> { const cache=new Map; return => { const key=JSON.stringify; if ) { return cache.get; } cache.set.catch=> { // Delete cache entry if API call fails cache.delete; return Promise.reject; })); return cache.get; }; }; The input for this function will be our service function that makes the API call to server and returns the result. For example,We can cache calls to the above function with
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