ich-lerne-deutsch/src/store/user.js

import firebase from 'firebase';

export default {
    state: {
        user: {
            isAuthentificated: false,
            uid: null,
        },
    },
    mutations: {
        setUser(state, payload) {
            state.user.isAuthentificated = true;
            state.user.uid = payload;
        },
        unSetUser(state) {
            state.user.isAuthentificated = false;
            state.user.uid = null;
        }
    },
    actions: {
        signUp({ commit }, payload) {
            commit('setProcessing', true);

            const { email, password } = payload;
            firebase.auth()
                .createUserWithEmailAndPassword(email, password)
                .then((response) => {
                    commit('setUser', response.user.uid)
                    commit('setProcessing', false);
                })
                .catch(function(error) {
                    const { message } = error;
                    commit('setProcessing', false);
                    commit('setError', message);
                });
        },
        signIn({ commit }, payload) {
            commit('setProcessing', true);
            const { email, password } = payload;
            firebase.auth()
                .signInWithEmailAndPassword(email, password)
                .then((response) => {
                    commit('setUser', response.localId)
                    commit('setProcessing', false);
                })
                .catch(function(error) {
                    const { message } = error;
                    commit('setProcessing', false);
                    commit('setError', message);
                });
        },
        stateChanged({ commit }, payload) {
            if (payload) {
                commit('setUser', payload.uid);
            } else {
                commit('unSetUser');
            }
        }
    },
    getters: {
        isUserAuthentificated: state => state.user.isAuthentificated,
    },
};