Function patchAPIInstance

web/src/helpers/api.js:15–41

(instance)

});

function patchAPIInstance(instance) {
  const originalGet = instance.get.bind(instance);
  const inFlightGetRequests = new Map();

  const genKey = (url, config = {}) => {
    const params = config.params ? JSON.stringify(config.params) : '{}';
    return `${url}?${params}`;
  };

  instance.get = (url, config = {}) => {
    if (config?.disableDuplicate) {
      return originalGet(url, config);
    }

    const key = genKey(url, config);
    if (inFlightGetRequests.has(key)) {
      return inFlightGetRequests.get(key);
    }

    const reqPromise = originalGet(url, config).finally(() => {
      inFlightGetRequests.delete(key);
    });

    inFlightGetRequests.set(key, reqPromise);
    return reqPromise;
  };
}

patchAPIInstance(API);