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pds-2021-g2-nest/nest_frontend/contexts/ContextServer.js

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823 B
JavaScript

import { createContext } from "react"
/**
* A context containing an object with the following values:
* - `server`: the base URL of the currently active backend server
* - `setServer`: a function to change `server`
* - `fetchData`: a function to fetch JSON data from the backend server
*
* If accessed from outside a provider, the values will be:
* - `server`: `null`
* - `setServer`: a function showing an error in the console
* - `fetchData`: another function showing an error in the console
*
* @type {React.Context}
*/
const ContextServer = createContext({
server: null,
setServer: () => console.error("Trying to setServer while outside a ContextServer.Provider!"),
fetchData: () => console.error("Trying to fetchData while outside a ContextServer.Provider!"),
})
export default ContextServer