local function D(D,q)local u=debug.traceback()if D~=nil then assert(typeof(D)=="\102\117\110\099\116\105\111\110","\109\097\112\083\116\097\116\101\084\111\080\114\111\112\115 \109\117\115\116 \098\101 \097 \102\117\110\099\116\105\111\110 \111\114 \110\105\108\033")else D=noop end local n=typeof(q)if q~=nil then assert(n=="\102\117\110\099\116\105\111\110"or n=="\116\097\098\108\101","\109\097\112\068\105\115\112\097\116\099\104\084\111\080\114\111\112\115 \109\117\115\116 \098\101 \097 \102\117\110\099\116\105\111\110\044 \116\097\098\108\101\044 \111\114 \110\105\108\033")else q=noop end return function(B)if B==nil then local D=formatMessage({"\099\111\110\110\101\099\116 \114\101\116\117\114\110\115 \097 \102\117\110\099\116\105\111\110 \116\104\097\116 \109\117\115\116 \098\101 \112\097\115\115\101\100 \097 \099\111\109\112\111\110\101\110\116\046";"\067\104\101\099\107 \116\104\101 \099\111\110\110\101\099\116\105\111\110 \097\116\058";"\037\115"},{u})error(D,2)end local y=("\082\111\100\117\120\067\111\110\110\101\099\116\105\111\110\040\037\115\041"):format(tostring(B))local X=Roact.Component:extend(y)function X.getDerivedStateFromProps(D,q)if q.stateUpdater~=nil then return q.stateUpdater(D.innerProps,q)end end function X.init(y,u)y.store=u.store if y.store==nil then local D=formatMessage({"\067\097\110\110\111\116 \105\110\105\116\105\097\108\105\122\101 \082\111\097\099\116-\082\111\100\117\120 \099\111\110\110\101\099\116\105\111\110 \119\105\116\104\111\117\116 \098\101\105\110\103 \097 \100\101\115\099\101\110\100\101\110\116 \111\102 \083\116\111\114\101\080\114\111\118\105\100\101\114\033","\084\114\105\101\100 \116\111 \119\114\097\112 \099\111\109\112\111\110\101\110\116 \037\113","\077\097\107\101 \115\117\114\101 \116\104\101\114\101 \105\115 \097 \083\116\111\114\101\080\114\111\118\105\100\101\114 \097\098\111\118\101 \116\104\105\115 \099\111\109\112\111\110\101\110\116 \105\110 \116\104\101 \116\114\101\101\046"},{tostring(B)})error(D)end local X=y.store:getState()local Z=D local e=Z(X,y.props.innerProps)if typeof(e)=="\102\117\110\099\116\105\111\110"then Z=e e=Z(X,y.props.innerProps)end if e~=nil and typeof(e)~="\116\097\098\108\101"then local D=formatMessage({"\109\097\112\083\116\097\116\101\084\111\080\114\111\112\115 \109\117\115\116 \101\105\116\104\101\114 \114\101\116\117\114\110 \097 \116\097\098\108\101\044 \111\114 \114\101\116\117\114\110 \097\110\111\116\104\101\114 \102\117\110\099\116\105\111\110 \116\104\097\116 \114\101\116\117\114\110\115 \097 \116\097\098\108\101\046","\073\110\115\116\101\097\100\044 \105\116 \114\101\116\117\114\110\101\100 \037\113\044 \119\104\105\099\104 \105\115 \111\102 \116\121\112\101 \037\115\046"},{tostring(e);typeof(e)})error(D)end local function g(...)return y.store:dispatch(...)end local R if n=="\116\097\098\108\101"then R={}for D,q in pairs(q)do assert(typeof(q)=="\102\117\110\099\116\105\111\110","\109\097\112\068\105\115\112\097\116\099\104\084\111\080\114\111\112\115 \109\117\115\116 \099\111\110\116\097\105\110 \102\117\110\099\116\105\111\110 \118\097\108\117\101\115")R[D]=function(...)g(q(...))end end elseif n=="\102\117\110\099\116\105\111\110"then R=q(g)end local m=makeStateUpdater(y.store)y.state={stateUpdater=m,mapStateToProps=Z;mappedStoreDispatch=R;propsForChild=nil}local O=m(y.props.innerProps,y.state,e)for D,q in pairs(O)do y.state[D]=q end end function X.didMount(D)local q=function(q)D:setState(function(D,u)local n=D.mapStateToProps(q,u.innerProps)if shallowEqual(n,D.mappedStoreState)then return nil end return D.stateUpdater(u.innerProps,D,n)end)end q(D.store:getState())D.storeChangedConnection=D.store.changed:connect(q)end function X.willUnmount(D)if D.storeChangedConnection then D.storeChangedConnection:disconnect()D.storeChangedConnection=nil end end function X.render(D)return Roact.createElement(B,D.state.propsForChild)end local Z=Roact.Component:extend(y)function Z.render(D)return Roact.createElement(StoreContext.Consumer,{render=function(q)return Roact.createElement(X,{innerProps=D.props;store=q})end})end return Z end end return D

local function connect(mapStateToPropsOrThunk, mapDispatchToProps)
	local connectTrace = debug.traceback()

	if mapStateToPropsOrThunk ~= nil then
		assert(typeof(mapStateToPropsOrThunk) == "function", "mapStateToProps must be a function or nil!")
	else
		mapStateToPropsOrThunk = noop
	end

	local mapDispatchType = typeof(mapDispatchToProps)
	if mapDispatchToProps ~= nil then
		assert(
			mapDispatchType == "function" or mapDispatchType == "table",
			"mapDispatchToProps must be a function, table, or nil!"
		)
	else
		mapDispatchToProps = noop
	end

	return function(innerComponent)
		if innerComponent == nil then
			local message = formatMessage({
				"connect returns a function that must be passed a component.",
				"Check the connection at:",
				"%s",
			}, {
				connectTrace,
			})

			error(message, 2)
		end

		local componentName = ("RoduxConnection(%s)"):format(tostring(innerComponent))

		local Connection = Roact.Component:extend(componentName)

		function Connection.getDerivedStateFromProps(nextProps, prevState)
			if prevState.stateUpdater ~= nil then
				return prevState.stateUpdater(nextProps.innerProps, prevState)
			end
		end

		function Connection:init(props)
			self.store = props.store

			if self.store == nil then
				local message = formatMessage({
					"Cannot initialize Roact-Rodux connection without being a descendent of StoreProvider!",
					"Tried to wrap component %q",
					"Make sure there is a StoreProvider above this component in the tree.",
				}, {
					tostring(innerComponent),
				})

				error(message)
			end

			local storeState = self.store:getState()

			local mapStateToProps = mapStateToPropsOrThunk
			local mappedStoreState = mapStateToProps(storeState, self.props.innerProps)

			-- mapStateToPropsOrThunk can return a function instead of a state
			-- value. In this variant, we keep that value as mapStateToProps
			-- instead of the original mapStateToProps. This matches react-redux
			-- and enables connectors to keep instance-level state.
			if typeof(mappedStoreState) == "function" then
				mapStateToProps = mappedStoreState
				mappedStoreState = mapStateToProps(storeState, self.props.innerProps)
			end

			if mappedStoreState ~= nil and typeof(mappedStoreState) ~= "table" then
				local message = formatMessage({
					"mapStateToProps must either return a table, or return another function that returns a table.",
					"Instead, it returned %q, which is of type %s.",
				}, {
					tostring(mappedStoreState),
					typeof(mappedStoreState),
				})

				error(message)
			end

			local function dispatch(...)
				return self.store:dispatch(...)
			end

			local mappedStoreDispatch
			if mapDispatchType == "table" then
				mappedStoreDispatch = {}

				for key, actionCreator in pairs(mapDispatchToProps) do
					assert(typeof(actionCreator) == "function", "mapDispatchToProps must contain function values")

					mappedStoreDispatch[key] = function(...)
						dispatch(actionCreator(...))
					end
				end
			elseif mapDispatchType == "function" then
				mappedStoreDispatch = mapDispatchToProps(dispatch)
			end

			local stateUpdater = makeStateUpdater(self.store)

			self.state = {
				-- Combines props, mappedStoreDispatch, and the result of
				-- mapStateToProps into propsForChild. Stored in state so that
				-- getDerivedStateFromProps can access it.
				stateUpdater = stateUpdater,

				-- Used by the store changed connection and stateUpdater to
				-- construct propsForChild.
				mapStateToProps = mapStateToProps,

				-- Used by stateUpdater to construct propsForChild.
				mappedStoreDispatch = mappedStoreDispatch,

				-- Passed directly into the component that Connection is
				-- wrapping.
				propsForChild = nil,
			}

			local extraState = stateUpdater(self.props.innerProps, self.state, mappedStoreState)

			for key, value in pairs(extraState) do
				self.state[key] = value
			end
		end

		function Connection:didMount()
			local updateStateWithStore = function(storeState)
				self:setState(function(prevState, props)
					local mappedStoreState = prevState.mapStateToProps(storeState, props.innerProps)

					-- We run this check here so that we only check shallow
					-- equality with the result of mapStateToProps, and not the
					-- other props that could be passed through the connector.
					if shallowEqual(mappedStoreState, prevState.mappedStoreState) then
						return nil
					end

					return prevState.stateUpdater(props.innerProps, prevState, mappedStoreState)
				end)
			end

			-- Update store state on mount to catch missed state updates between
			-- init and mount. State could be stale otherwise.
			updateStateWithStore(self.store:getState())

			-- Connect state updater to the Rodux store
			self.storeChangedConnection = self.store.changed:connect(updateStateWithStore)
		end

		function Connection:willUnmount()
			if self.storeChangedConnection then
				self.storeChangedConnection:disconnect()
				self.storeChangedConnection = nil
			end
		end

		function Connection:render()
			return Roact.createElement(innerComponent, self.state.propsForChild)
		end

		local ConnectedComponent = Roact.Component:extend(componentName)

		function ConnectedComponent:render()
			return Roact.createElement(StoreContext.Consumer, {
				render = function(store)
					return Roact.createElement(Connection, {
						innerProps = self.props,
						store = store,
					})
				end,
			})
		end

		return ConnectedComponent
	end
end

return connect
