import { ActionContext , Store } from "vuex" ; const useRootNamespace = { root : true } ; export function Handler ( target , key ) { target [ key ] . _vuexKey = key ; } export type GetterHandler < TModuleState , TRootState , TResult > = ( state : TModuleState , getters : any , rootState : TRootState , rootGetters : any ) => TResult ; /**
 * Vuex action handler which takes payload as specified in Vuex options.
 */ export type ActionHandlerWithPayload < TModuleState , TRootState , TPayload , TResult > = ( injectee : ActionContext < TModuleState , TRootState > , payload : TPayload ) => void | Promise < TResult > ; /**
 * Vuex action handler which does not take payload as specified in Vuex options.
 */ export type ActionHandlerNoPayload < TModuleState , TRootState , TResult > = ( injectee : ActionContext < TModuleState , TRootState > ) => void | Promise < TResult > ; /**
 * Vuex mutation handler which takes payload as specified in Vuex options.
 */ export type MutationHandlerWithPayload < TModuleState , TPayload > = ( state : TModuleState , payload : TPayload ) => void ; /**
 * Vuex mutation handler which does not take payload as specified in Vuex options.
 */ export type MutationHandlerNoPayload < TModuleState > = ( state : TModuleState ) => void ; /**
 * Function which gets value of a concrete Vuex getter.
 */ export type GetAccessor < TModuleState , TRootState , TResult > = ( store : Store < TRootState > | ActionContext < TModuleState , TRootState > ) => TResult ; /**
 * Function which dispatches a concrete Vuex action with payload.
 */ export type DispatchAccessorWithPayload < TModuleState , TRootState , TPayload , TResult > = ( store : Store < TRootState > | ActionContext < TModuleState , TRootState > , payload : TPayload ) => Promise < TResult > ; /**
 * Function which dispatches a concrete Vuex action without payload.
 */ export type DispatchAccessorNoPayload < TModuleState , TRootState , TResult > = ( store : Store < TRootState > | ActionContext < TModuleState , TRootState > ) => Promise < TResult > ; /**
 * Function which commits a concrete Vuex mutation with payload.
 */ export type CommitAccessorWithPayload < TModuleState , TRootState , TPayload > = ( store : Store < TRootState > | ActionContext < TModuleState , TRootState > , payload : TPayload ) => void ; /**
 * Function which commits a concrete Vuex mutation without payload.
 */ export type CommitAccessorNoPayload < TModuleState , TRootState > = ( store : Store < TRootState > | ActionContext < TModuleState , TRootState > ) => void ; export interface StoreAccessors < TModuleState , TRootState > { /**
     * Returns a function committing mutations directed to the specified mutation handler.
     * This overload is for handlers which do not expect payload.
     */ commit ( handler ) : CommitAccessorNoPayload < TModuleState , TRootState > ; /**
     * Returns a function committing mutations directed to the specified mutation handler.
     * This overload is for handlers which expect payload.
     */ commit < TPayload > ( handler ) : CommitAccessorWithPayload < TModuleState , TRootState , TPayload > ; /**
     * Returns a function dispatching actions directed to the specified action handler.
     * This overload is for handlers which do not expect payload.
     */ dispatch < TResult > ( handler ) : DispatchAccessorNoPayload < TModuleState , TRootState , TResult > ; /**
     * Returns a function dispatching actions directed to the specified action handler.
     * This overload is for handlers which expect payload.
     */ dispatch < TPayload , TResult > ( handler ) : DispatchAccessorWithPayload < TModuleState , TRootState , TPayload , TResult > ; /**
     * Returns a function returning value of the specified getter.
     */ read < TResult > ( handler ) : GetAccessor < TModuleState , TRootState , TResult > ; } export function getStoreAccessors < TModuleState , TRootState > ( namespace ) { return { commit : ( handler ) => createAccessor ( "commit" , handler , namespace ) , dispatch : ( handler ) => createAccessor ( "dispatch" , handler , namespace ) , read : ( handler ) => { const key = qualifyKey ( handler , namespace ) ; return ( store ) => { return store . rootGetters ? store . rootGetters [ key ] : store . getters [ key ] ; } ; } , } ; } function createAccessor ( operation , handler , namespace ) { const key = qualifyKey ( handler , namespace ) ; return ( store , payload ) => { return store [ operation ] ( key , payload , useRootNamespace ) ; } ; } function qualifyKey ( handler , namespace ? ) { const key = ( < any > handler ) . name || ( < any > handler ) . _vuexKey ; if ( ! key ) { throw new Error ( "Vuex handler functions must not be anonymous. " + "Vuex needs a key by which it identifies a handler. " + "If you define handler as class member you must decorate it with @Handler." ) ; } return namespace ? `${ namespace }/${ key }` : key ; }