API Handler in flux with options and token manager

flux.js

// flux.js
const getState = ({ getStore, getActions, setStore }) => {
	return {
		store: {},
		actions: {

			// API Handler
			APICall: async (url, options) => {
				try {
					const response = await fetch(getStore().baseURL + url, options);
					if (!response.ok) {
						console.error('Error: ' + response.status, response.statusText);
						return response.status;
					};
					return await response.json();
				} catch (error) {
					console.error('Error in fetch:', error);
					return null;
				};
			},
      
      			// Options / Token manager
			optionsMethod: async (method, data = null) => {
				const headers = { 'Content-Type': 'application/json' }
				if (localStorage.getItem('access_token')) { // Change this where access_token is saved
					headers['Authorization'] = `Bearer ${localStorage.getItem('access_token')}` // Change this to handle, this example is with "Bearer authentication"
				};
				const options = {
					method: method,
					headers: headers,
				};
				if (data) {
					options.body = JSON.stringify(data);
				};
				return options;
			},
		}
	};
};

export default getState;