| 51 | |
| 52 | |
| 53 | function patchAPIInstance(instance) { |
| 54 | const originalGet = instance.get.bind(instance); |
| 55 | const inFlightGetRequests = new Map(); |
| 56 | |
| 57 | const genKey = (url, config = {}) => { |
| 58 | const params = config.params ? JSON.stringify(config.params) : '{}'; |
| 59 | return `${url}?${params}`; |
| 60 | }; |
| 61 | |
| 62 | instance.get = (url, config = {}) => { |
| 63 | if (config?.disableDuplicate) { |
| 64 | return originalGet(url, config); |
| 65 | } |
| 66 | |
| 67 | const key = genKey(url, config); |
| 68 | if (inFlightGetRequests.has(key)) { |
| 69 | return inFlightGetRequests.get(key); |
| 70 | } |
| 71 | |
| 72 | const reqPromise = originalGet(url, config).finally(() => { |
| 73 | inFlightGetRequests.delete(key); |
| 74 | }); |
| 75 | |
| 76 | inFlightGetRequests.set(key, reqPromise); |
| 77 | return reqPromise; |
| 78 | }; |
| 79 | } |
| 80 | |
| 81 | patchAPIInstance(API); |
| 82 | |