Stackedit/src/services/userSvc.js

import googleHelper from './providers/helpers/googleHelper';
import githubHelper from './providers/helpers/githubHelper';
import utils from './utils';
import store from '../store';

const promised = {};

const parseUserId = (userId) => {
  const prefix = userId[2] === ':' && userId.slice(0, 2);
  const type = prefix && utils.userIdPrefixes[prefix];
  return type ? [type, userId.slice(3)] : ['google', userId];
};

export default {
  addInfo({ id, name, imageUrl }) {
    promised[id] = true;
    store.commit('userInfo/addItem', { id, name, imageUrl });
  },
  getInfo(userId) {
    if (!promised[userId]) {
      const [type, sub] = parseUserId(userId);

      // Try to find a token with this sub
      const token = store.getters[`data/${type}Tokens`][sub];
      if (token) {
        store.commit('userInfo/addItem', {
          id: userId,
          name: token.name,
        });
      }

      // Get user info from provider
      if (!store.state.offline) {
        promised[userId] = true;
        switch (type) {
          case 'github': {
            return githubHelper.getUser(sub)
              .catch((err) => {
                if (err.status !== 404) {
                  promised[userId] = false;
                }
              });
          }
          case 'google':
          default: {
            return googleHelper.getUser(sub)
              .catch((err) => {
                if (err.status !== 404) {
                  promised[userId] = false;
                }
              });
          }
        }
      }
    }

    return null;
  },
};