From da4fd6169717cfa04d644d0af0d23dd089a6e373 Mon Sep 17 00:00:00 2001 From: herbert Date: Sat, 14 Dec 2019 00:06:42 +0100 Subject: remove old version of devicemodel devicemanager oldux featureaggregator Issue-ID: SDNC-1004 Signed-off-by: herbert Change-Id: I5337643181e2398e5a8097e4ee14fa4ac96d0d4c --- sdnr/wt/odlux/framework/src/flux/middleware.ts | 107 ------------------------- 1 file changed, 107 deletions(-) delete mode 100644 sdnr/wt/odlux/framework/src/flux/middleware.ts (limited to 'sdnr/wt/odlux/framework/src/flux/middleware.ts') diff --git a/sdnr/wt/odlux/framework/src/flux/middleware.ts b/sdnr/wt/odlux/framework/src/flux/middleware.ts deleted file mode 100644 index 6179f3bcf..000000000 --- a/sdnr/wt/odlux/framework/src/flux/middleware.ts +++ /dev/null @@ -1,107 +0,0 @@ -/** - * ============LICENSE_START======================================================================== - * ONAP : ccsdk feature sdnr wt odlux - * ================================================================================================= - * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved. - * ================================================================================================= - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except - * in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the License - * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express - * or implied. See the License for the specific language governing permissions and limitations under - * the License. - * ============LICENSE_END========================================================================== - */ -import { Action, IActionHandler } from './action'; -import { Store, Dispatch, Enhancer } from './store'; - -export interface MiddlewareArg { - dispatch: Dispatch; - getState: () => T; -} - -export interface Middleware { - (obj: MiddlewareArg): Function; -} - -class InitialisationAction extends Action { }; -const initialisationAction = new InitialisationAction(); - -export type ActionHandlerMapObject = { - [K in keyof S]: IActionHandler -} - -export const combineActionHandler = (actionHandlers: ActionHandlerMapObject) : IActionHandler => { - const finalActionHandlers: ActionHandlerMapObject = {} as ActionHandlerMapObject; - Object.keys(actionHandlers).forEach(actionHandlerKey => { - const handler = actionHandlers[actionHandlerKey]; - if (typeof handler === 'function') { - finalActionHandlers[actionHandlerKey] = handler; - } - }); - - // ensure initialisation - Object.keys(finalActionHandlers).forEach(key => { - const actionHandler = finalActionHandlers[key]; - const initialState = actionHandler(undefined, initialisationAction); - if (typeof initialState === 'undefined') { - const errorMessage = `Action handler ${ key } returned undefiend during initialization.`; - throw new Error(errorMessage); - } - }); - - return function combination(state: TState = ({} as TState), action: TAction) { - let hasChanged = false; - const nextState : TState = {} as TState; - Object.keys(finalActionHandlers).forEach(key => { - const actionHandler = finalActionHandlers[key]; - const previousState = state[key]; - const nextStateKey = actionHandler(previousState, action); - if (typeof nextStateKey === 'undefined') { - const errorMessage = `Given ${ action.constructor } and action handler ${ key } returned undefiend.`; - throw new Error(errorMessage); - } - nextState[key] = nextStateKey; - hasChanged = hasChanged || nextStateKey !== previousState; - }); - return (hasChanged ? nextState : state) as TState; - }; -}; - -export const chainMiddleware = (...middlewares: Middleware[]): Enhancer => { - return (store: Store) => { - const middlewareAPI = { - getState() { return store.state }, - dispatch: (action: TAction) => store.dispatch(action) // we want to use the combinded dispatch - // we should NOT use the flux dispatcher here, since the action would affect ALL stores - }; - const chain = middlewares.map(middleware => middleware(middlewareAPI)); - return compose(...chain)(store.dispatch) as Dispatch; - } -}; - -/** - * Composes single-argument functions from right to left. The rightmost - * function can take multiple arguments as it provides the signature for - * the resulting composite function. - * - * @param {...Function} funcs The functions to compose. - * @returns {Function} A function obtained by composing the argument functions - * from right to left. For example, compose(f, g, h) is identical to doing - * (...args) => f(g(h(...args))). - */ -const compose = (...funcs: Function[]) => { - if (funcs.length === 0) { - return (arg: any) => arg - } - - if (funcs.length === 1) { - return funcs[0] - } - - return funcs.reduce((a, b) => (...args: any[]) => a(b(...args))); -}; - -- cgit 1.2.3-korg