56 lines
1.2 KiB
JavaScript
56 lines
1.2 KiB
JavaScript
class RelationCache {
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constructor() {
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this.cache = new Map();
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this.pendingRequests = new Map();
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}
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async getOptions(collection, searchFields, term, file, queryFn) {
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const cacheKey = `${collection}-${searchFields.join(',')}-${term || ''}-${file || ''}`;
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if (this.cache.has(cacheKey)) {
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return this.cache.get(cacheKey);
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}
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if (this.pendingRequests.has(cacheKey)) {
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return this.pendingRequests.get(cacheKey);
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}
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const request = queryFn();
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this.pendingRequests.set(cacheKey, request);
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try {
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const result = await request;
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this.cache.set(cacheKey, result);
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this.ensureCacheSize();
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return result;
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} finally {
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this.pendingRequests.delete(cacheKey);
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}
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}
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invalidateCollection(collection) {
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for (const [key] of this.cache.entries()) {
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if (key.startsWith(`${collection}-`)) {
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this.cache.delete(key);
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}
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}
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}
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ensureCacheSize() {
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const maxSize = 100;
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if (this.cache.size > maxSize) {
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const firstKey = this.cache.keys().next().value;
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this.cache.delete(firstKey);
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}
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}
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clear() {
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this.cache.clear();
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this.pendingRequests.clear();
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}
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}
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const relationCache = new RelationCache();
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export default relationCache;
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