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 = `null`, enhancer = `null`) ⇒ Store

Returns a new instance of Store.



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# File 'lib/redux/store.rb', line 70

def initialize(reducer, preloaded_state = `null`, enhancer = `null`)
  %x{
    var compose = (typeof window === 'object' && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__) || Opal.global.Redux.compose;
    var devext_enhance;
    if (typeof window === 'object' && window.__REDUX_DEVTOOLS_EXTENSION__) { devext_enhance = window.__REDUX_DEVTOOLS_EXTENSION__(); }
    var real_preloaded_state;
    if (typeof preloaded_state.$class === "function" && preloaded_state.$class() == "Hash") {
      if (preloaded_state.$size() == 0) {
        real_preloaded_state = null;
      } else {
        real_preloaded_state = preloaded_state.$to_n();
      }
    } else if (preloaded_state == nil) {
      real_preloaded_state = null;
    } else {
      real_preloaded_state = preloaded_state;
    }
    if (enhancer && real_preloaded_state) {
      this.native = Opal.global.Redux.createStore(reducer, real_preloaded_state, compose(enhancer));
    } else if (real_preloaded_state) {
      this.native = Opal.global.Redux.createStore(reducer, real_preloaded_state, devext_enhance);
    } else if (enhancer) {
      this.native = Opal.global.Redux.createStore(reducer, compose(enhancer));
    } else {
      this.native = Opal.global.Redux.createStore(reducer, devext_enhance);
    }
  }
end

Class Method Details

.add_middleware(middleware) ⇒ Object 



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# File 'lib/redux/store.rb', line 5

def self.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 16

def self.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.has_key?(reducer.keys.first)
    reducers.merge!(reducer)
  end
end

.add_reducers(new_reducers) ⇒ Object 



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# File 'lib/redux/store.rb', line 27

def self.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 40

def self.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 50

def self.middlewares
  @middlewares ||= []
end

.preloaded_state ⇒ Object 



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# File 'lib/redux/store.rb', line 58

def self.preloaded_state
  @preloaded_state ||= {}
end

.preloaded_state=(ruby_hash) ⇒ Object 



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# File 'lib/redux/store.rb', line 62

def self.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 54

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

.reducers ⇒ Object 



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# File 'lib/redux/store.rb', line 66

def self.reducers
  @reducers ||= {}
end

Instance Method Details

#add_reducer(reducer) ⇒ Object 



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# File 'lib/redux/store.rb', line 99

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 105

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

#dispatch(action) ⇒ Object 



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# File 'lib/redux/store.rb', line 111

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

#get_state ⇒ Object 



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# File 'lib/redux/store.rb', line 121

def get_state
  Hash.new(`this.native.getState()`)
end

#replace_reducer(next_reducer) ⇒ Object 



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# File 'lib/redux/store.rb', line 125

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 130

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