GCTC-NTGC / TalentCloud

import React, { useReducer } from "react";

type ErrorState = {

  errorQueue: string[];

};

export type ErrorAction =

  | {

      type: "push";

      payload: string;

    }

  | {

      type: "pop";

    };

const initialState: ErrorState = { errorQueue: [] };

function errorReducer(state: ErrorState, action: ErrorAction) {

  switch (action.type) {

    case "push":

      // Add payload to the end of the array.

      return { errorQueue: [...state.errorQueue, action.payload] };

    case "pop":

      // Remove the first element of the array.

      return { errorQueue: state.errorQueue.slice(1) };

    default:

      throw new Error("Undefined action type in errorReducer.");

  }

}

interface ContextProps {

  state: ErrorState;

  dispatch: React.Dispatch<ErrorAction>;

}

export const ErrorContext = React.createContext<ContextProps>({

  state: initialState,

  dispatch: (action) => {},

});

export const ErrorContainer: React.FunctionComponent = ({

  children,

}): React.ReactElement => {

  const [state, dispatch] = useReducer(errorReducer, initialState);

  return (

    <ErrorContext.Provider

      value={{

        state,

        dispatch,

      }}

    >

      {children}

    </ErrorContext.Provider>

  );

};

export default ErrorContainer;