type CachedKey = string | number;
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const cachePromise = new Map<CachedKey, Promise<any>>();
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export const getCachePromise = (cacheKey: CachedKey) => {
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return cachePromise.get(cacheKey);
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};
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export const setCachePromise = (cacheKey: CachedKey, promise: Promise<any>) => {
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// Should cache the same promise, cannot be promise.finally
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// Because the promise.finally will change the reference of the promise
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cachePromise.set(cacheKey, promise);
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// no use promise.finally for compatibility
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promise
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.then((res) => {
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cachePromise.delete(cacheKey);
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return res;
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})
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.catch(() => {
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cachePromise.delete(cacheKey);
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});
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};
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