Class: Redux::Store

Inherits:
Object
  • Object
show all
Includes:
Native::Wrapper
Defined in:
lib/redux/store.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(reducer, preloaded_state = nil, enhancer = nil) ⇒ Store

Returns a new instance of Store.



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# File 'lib/redux/store.rb', line 72

def initialize(reducer, preloaded_state = nil, enhancer = nil)
  @deferred_actions = {}
  @deferred_dispatcher = nil
  @last_dispatch_time = Time.now
  %x{
    var ogre = Opal.global.Redux;
    var compose = (typeof window === 'object' && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__) || ogre.compose;
    if (enhancer == nil) { enhancer = null; }
    if (typeof window === 'object' && window.__REDUX_DEVTOOLS_EXTENSION__) {
      var devext_enhance = window.__REDUX_DEVTOOLS_EXTENSION__();
      if (enhancer) { enhancer = compose([enhancer, devext_enhance]); }
      else { enhancer = devext_enhance; }
    }
    if (preloaded_state == nil) {
      preloaded_state = null;
    } else if (typeof preloaded_state.$class === "function" && preloaded_state.$class() == "Hash") {
      if (preloaded_state.$size() == 0) {
        preloaded_state = null;
      } else {
        preloaded_state = preloaded_state.$to_n();
      }
    }
    if (enhancer && preloaded_state) {
      this.native = ogre.legacy_createStore(reducer, preloaded_state, enhancer);
    } else if (preloaded_state) {
      this.native = ogre.legacy_createStore(reducer, preloaded_state);
    } else if (enhancer) {
      this.native = ogre.legacy_createStore(reducer, enhancer);
    } else {
      this.native = ogre.legacy_createStore(reducer);
    }
  }
end

Class Method Details

.add_middleware(middleware) ⇒ Object 



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# File 'lib/redux/store.rb', line 6

def add_middleware(middleware)
  if Isomorfeus.store
    `console.warning("Adding middleware after Store initialization may have side effects! Saving state and initializing new store with restored state!")`
    middlewares << middleware
    preloaded_state = Isomorfeus.store.get_state
    init!
  else
    middlewares << middleware
  end
end

.add_reducer(reducer) ⇒ Object 



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# File 'lib/redux/store.rb', line 17

def add_reducer(reducer)
  if Isomorfeus.store
    # if the store has been initalized already, add the reducer to the instance
    Isomorfeus.store.add_reducer(reducer)
  else
    # otherwise just add it to the reducers, so that they will be used when initializing the store
    preloaded_state[reducer.keys.first] = {} unless preloaded_state.key?(reducer.keys.first)
    reducers.merge!(reducer)
  end
end

.add_reducers(new_reducers) ⇒ Object 



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# File 'lib/redux/store.rb', line 28

def add_reducers(new_reducers)
  if Isomorfeus.store
    # if the store has been initalized already, add the reducer to the instance
    Isomorfeus.store.add_reducers(new_reducers)
  else
    # otherwise just add it to the reducers, so that they will be used when initializing the store
    new_reducers.each do |key, value|
      add_reducer(key => value)
    end
  end
end

.init! ⇒ Object

called from Isomorfeus.init



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# File 'lib/redux/store.rb', line 41

def init!
  next_reducer = Redux.combine_reducers(@reducers)
  if middlewares.any?
    enhancer = Redux.apply_middleware(middlewares)
    Redux::Store.new(next_reducer, preloaded_state, enhancer)
  else
    Redux::Store.new(next_reducer, preloaded_state)
  end
end

.middlewares ⇒ Object 



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# File 'lib/redux/store.rb', line 51

def middlewares
  @middlewares ||= []
end

.preloaded_state ⇒ Object 



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# File 'lib/redux/store.rb', line 59

def preloaded_state
  @preloaded_state ||= {}
end

.preloaded_state=(ruby_hash) ⇒ Object 



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# File 'lib/redux/store.rb', line 63

def preloaded_state=(ruby_hash)
  @preloaded_state = ruby_hash
end

.preloaded_state_merge!(ruby_hash) ⇒ Object 



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# File 'lib/redux/store.rb', line 55

def preloaded_state_merge!(ruby_hash)
  preloaded_state.merge!(ruby_hash)
end

.reducers ⇒ Object 



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# File 'lib/redux/store.rb', line 67

def reducers
  @reducers ||= {}
end

Instance Method Details

#add_reducer(reducer) ⇒ Object 



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# File 'lib/redux/store.rb', line 106

def add_reducer(reducer)
  self.class.reducers.merge!(reducer)
  next_reducer = Redux.combine_reducers(self.class.reducers)
  replace_reducer(next_reducer)
end

#add_reducers(new_reducers) ⇒ Object 



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# File 'lib/redux/store.rb', line 112

def add_reducers(new_reducers)
  self.class.reducers.merge!(new_reducers)
  next_reducer = Redux.combine_reducers(self.class.reducers)
  replace_reducer(next_reducer)
end

#collect_and_defer_dispatch(action) ⇒ Object 



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# File 'lib/redux/store.rb', line 143

def collect_and_defer_dispatch(action)
  if !Isomorfeus.on_ssr?
    type = action.delete(:type)
    @deferred_actions[type] = [] unless @deferred_actions.key?(type)
    @deferred_actions[type].push(action)
    @last_dispatch_time = `Date.now()`
    # `console.log(#@last_dispatch_time)`
    deferred_dispatcher(`Date.now()`) unless @deferred_dispatcher
  else
    @dispatched = true
    dispatch(action)
  end
  nil
end

#dispatch(action) ⇒ Object 



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# File 'lib/redux/store.rb', line 118

def dispatch(action)
  %x{
    if (typeof action.$class === "function" && action.$class() == "Hash") {
      action = action.$to_n();
    }
    this.native.dispatch(action);
  }
end

#get_state ⇒ Object 



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# File 'lib/redux/store.rb', line 127

def get_state
  %x{
    let res = this.native.getState();
    if (typeof(res) === 'object' && !Array.isArray(res) && res !== null) {
      return Opal.Hash.$new(res);
    }
    return res;
  }
end

#recently_dispatched? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/redux/store.rb', line 137

def recently_dispatched?
  res = @dispatched
  @dispatched = false
  res
end

#replace_reducer(next_reducer) ⇒ Object 



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# File 'lib/redux/store.rb', line 158

def replace_reducer(next_reducer)
  `this.native.replaceReducer(next_reducer)`
end

#subscribe(&listener) ⇒ Object

returns function needed to unsubscribe the listener



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# File 'lib/redux/store.rb', line 163

def subscribe(&listener)
  `this.native.subscribe(function() { return listener.$call(); })`
end