Method constructor

src/store.js:56–98

(props)

  }

  constructor(props) {
    super()
    const { store, children, id, ...state } = props
    this.store = store || createStore(state, id)
    // When no store is given, create context by id or refer to the default context
    if (!store)
      this.store.context = id ? createNamedContext(id) : ProviderContext
    // Overwrite the functions in store.state to update the state of this Provider
    const actions = getStateUpdateFunctions(this.store.initialState)
    Object.assign(
      this.store.state,
      Object.keys(actions).reduce(
        (acc, name) => ({
          ...acc,
          [name]: (...args) => {
            let result = actions[name](...args)
            let isFunc = typeof result === 'function'
            if (isFunc) result = result(this.state)
            if (result.then) {
              return new Promise(res =>
                Promise.resolve(result).then(state => {
                  // Update store
                  this.store.state = { ...this.store.state, ...state }
                  // Call subscribers
                  this.store.subscriptions.forEach(callback => callback(state))
                  // Update local state
                  this.setState(state, res)
                })
              )
            } else {
              // Update store in sync
              this.store.state = { ...this.store.state, ...result }
              this.store.subscriptions.forEach(callback => callback(result))
              this.setState(result)
              return true
            }
          },
        }),
        {}
      )
    )
    this.state = this.store.state
  }

  componentWillUnmount() {
    if (this.props.id) removeNamedContext(this.props.id)