Add types

packages/data-stores/src/analyzer/reducers.ts

@@ -29,7 +29,9 @@ const analyzer: Reducer< ColorsState, Action > = ( state = {}, action ) => {
 	return state;
 };
 
-const reducers = combineReducers( { analyzer } );
+const reducers: Reducer< { analyzer: ColorsState }, Action > = combineReducers( {
+	analyzer,
+} );
 
 export type State = ReturnType< typeof reducers >;
 

packages/data-stores/src/analyzer/selectors.ts

@@ -1,6 +1,6 @@
 import type { State } from './reducers';
 
-export const getState = ( state: State ) => state;
+export const getState = ( state: State ): State => state;
 export const isSiteColorsInAnalysis = ( state: State ) => state.analyzer.analyzing;
 export const getSiteColors = ( state: State, url: null | string ) => {
 	if ( ! url ) {

packages/data-stores/src/domain-suggestions/reducer.ts

@@ -70,7 +70,14 @@ const availability: Reducer< DomainAvailabilities, Action > = ( state = {}, acti
 	return state;
 };
 
-const reducer = combineReducers( { categories, domainSuggestions, availability } );
+const reducer: Reducer<
+	{
+		availability: DomainAvailabilities;
+		categories: DomainCategory[];
+		domainSuggestions: DomainSuggestionState;
+	},
+	Action
+> = combineReducers( { categories, domainSuggestions, availability } );
 
 export type State = ReturnType< typeof reducer >;
 

packages/data-stores/src/help-center/reducer.ts

@@ -148,7 +148,27 @@ const odieBotNameSlug: Reducer< string | undefined, HelpCenterAction > = ( state
 	return state;
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		currentSupportInteraction: SupportInteraction | undefined;
+		showHelpCenter: boolean | undefined;
+		showMessagingLauncher: boolean | undefined;
+		showMessagingWidget: boolean | undefined;
+		subject: string | undefined;
+		message: string | undefined;
+		userDeclaredSite: SiteDetails | undefined;
+		userDeclaredSiteUrl: string | undefined;
+		hasSeenWhatsNewModal: boolean | undefined;
+		isMinimized: boolean;
+		isChatLoaded: boolean;
+		zendeskClientId: string;
+		unreadCount: number;
+		navigateToRoute: string | undefined;
+		odieInitialPromptText: string | undefined;
+		odieBotNameSlug: string | undefined;
+	},
+	HelpCenterAction
+> = combineReducers( {
 	currentSupportInteraction,
 	showHelpCenter,
 	showMessagingLauncher,

packages/data-stores/src/launchpad-navigator/reducer.ts

@@ -25,7 +25,13 @@ const checklistsSlug: Reducer< string[], LaunchpadNavigatorAction > = ( state =
 	return state;
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		activeChecklistSlug: string | null | undefined;
+		checklistsSlug: string[];
+	},
+	LaunchpadNavigatorAction
+> = combineReducers( {
 	activeChecklistSlug,
 	checklistsSlug,
 } );

packages/data-stores/src/onboard/reducer.ts

@@ -612,7 +612,60 @@ const signupDomainOrigin: Reducer< string | undefined, OnboardAction > = (
 	return state;
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		domain: DomainSuggestion | undefined;
+		domainCartItem: MinimalRequestCartProduct | undefined;
+		domainSearch: string;
+		domainCategory: string | undefined;
+		domainForm: DomainForm;
+		siteUrl: string | undefined;
+		isRedirecting: boolean;
+		hasUsedDomainsStep: boolean;
+		hasUsedPlansStep: boolean;
+		selectedFeatures: FeatureId[];
+		domainTransferNames: DomainTransferNames | undefined;
+		domainTransferAuthCodes: DomainTransferAuthCodes | undefined;
+		shouldImportDomainTransferDnsRecords: boolean;
+		storeType: string;
+		selectedDesign: Design | undefined;
+		selectedStyleVariation: StyleVariation | undefined;
+		selectedSite: number | undefined;
+		siteTitle: string;
+		showSignupDialog: boolean;
+		planProductId: number | undefined;
+		randomizedDesigns: { featured: Design[] };
+		hasOnboardingStarted: boolean;
+		lastLocation: string;
+		intent: string;
+		startingPoint: string;
+		pendingAction: undefined | ( () => Promise< any > );
+		progress: number;
+		progressTitle: string | undefined;
+		goals: SiteGoal[];
+		hideFreePlan: boolean;
+		hidePlansFeatureComparison: boolean;
+		siteDescription: string;
+		siteLogo: null | string;
+		siteAccentColor: string;
+		readymadeTemplate: ReadymadeTemplate | undefined;
+		verticalId: string;
+		storeLocationCountryCode: string;
+		ecommerceFlowRecurType: string;
+		couponCode: string;
+		storageAddonSlug: string;
+		planCartItem: MinimalRequestCartProduct | null;
+		productCartItems: MinimalRequestCartProduct[] | null;
+		isMigrateFromWp: boolean;
+		domainCartItems: MinimalRequestCartProduct[] | undefined;
+		pluginsToVerify: string[] | undefined;
+		profilerData: ProfilerData | undefined;
+		paidSubscribers: boolean;
+		partnerBundle: string | null;
+		signupDomainOrigin: string | undefined;
+	},
+	OnboardAction
+> = combineReducers( {
 	domain,
 	domainCartItem,
 	domainSearch,

packages/data-stores/src/onboard/selectors.ts

@@ -52,7 +52,7 @@ export const getStoreLocationCountryCode = ( state: State ) => state.storeLocati
 export const getEcommerceFlowRecurType = ( state: State ) => state.ecommerceFlowRecurType;
 export const getCouponCode = ( state: State ) => state.couponCode;
 export const getStorageAddonSlug = ( state: State ) => state.storageAddonSlug;
-export const getState = ( state: State ) => state;
+export const getState = ( state: State ): State => state;
 export const hasPaidDesign = ( state: State ): boolean => {
 	if ( ! state.selectedDesign ) {
 		return false;

packages/data-stores/src/plans/reducer.ts

@@ -48,7 +48,15 @@ export const planProducts: Reducer< PlanProduct[], PlanAction > = ( state = [],
 	}
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		features: Record< Locale, Record< string, PlanFeature > >;
+		featuresByType: Record< Locale, Array< FeaturesByType > >;
+		planProducts: PlanProduct[];
+		plans: Record< Locale, Plan[] >;
+	},
+	PlanAction
+> = combineReducers( {
 	features,
 	featuresByType,
 	planProducts,

packages/data-stores/src/products-list/reducer.ts

@@ -33,7 +33,13 @@ export const isFetchingProductsList: Reducer< boolean | undefined, Action > = (
 	return state;
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		isFetchingProductsList: boolean | undefined;
+		productsList: RawAPIProductsList | undefined;
+	},
+	Action
+> = combineReducers( {
 	isFetchingProductsList,
 	productsList,
 } );

packages/data-stores/src/site/reducer.ts

@@ -426,7 +426,33 @@ const newSite = combineReducers( {
 	isFetching: isFetchingSite,
 } );
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		isFetchingSiteDetails: boolean | undefined;
+		newSite: {
+			data: NewSiteBlogDetails | undefined;
+			error: NewSiteErrorResponse | undefined;
+			isFetching: boolean | undefined;
+		};
+		fetchingSiteError: SiteError | undefined;
+		sites: { [ key: number | string ]: SiteDetails | undefined };
+		launchStatus: { [ key: number ]: SiteLaunchState };
+		sitesDomains: { [ key: number ]: Domain[] };
+		sitesSettings: { [ key: number ]: SiteSettings };
+		siteTheme: { [ key: number ]: CurrentTheme };
+		sitesGlobalStyles: { [ key: number ]: GlobalStyles };
+		siteSetupErrors: {
+			error?: string;
+			message?: string;
+		};
+		atomicTransferStatus: { [ key: number ]: AtomicTransferState };
+		latestAtomicTransferStatus: { [ key: number ]: LatestAtomicTransferState };
+		atomicSoftwareStatus: { [ key: number ]: AtomicSoftwareStatusState };
+		atomicSoftwareInstallStatus: { [ key: number ]: AtomicSoftwareInstallState };
+		bundledPluginSlug: { [ key: string ]: string | undefined };
+	},
+	Action
+> = combineReducers( {
 	isFetchingSiteDetails,
 	newSite,
 	fetchingSiteError,

packages/data-stores/src/stepper-internal/reducer.ts

@@ -22,7 +22,12 @@ export const stepData: Reducer< StepData | null, StepperInternalAction > = (
 	return state;
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		stepData: StepData | null;
+	},
+	StepperInternalAction
+> = combineReducers( {
 	stepData,
 } );
 

packages/data-stores/src/subscriber/reducers.ts

@@ -100,7 +100,12 @@ export const subscriber: Reducer< SubscriberState, Action > = ( state = {}, acti
 	return state;
 };
 
-const reducers = combineReducers( { subscriber } );
+const reducers: Reducer<
+	{
+		subscriber: SubscriberState;
+	},
+	Action
+> = combineReducers( { subscriber } );
 
 export type State = ReturnType< typeof reducers >;
 

packages/data-stores/src/user/reducer.ts

@@ -13,7 +13,12 @@ export const currentUser: Reducer< CurrentUser | null | undefined, Action > = (
 	return state;
 };
 
-const reducer = combineReducers( { currentUser } );
+const reducer: Reducer<
+	{
+		currentUser: CurrentUser | null | undefined;
+	},
+	Action
+> = combineReducers( { currentUser } );
 export type State = ReturnType< typeof reducer >;
 
 export default reducer;

packages/data-stores/src/wpcom-plans-ui/reducer.ts

@@ -30,7 +30,13 @@ const selectedStorageOptionForPlan: Reducer<
 	return state;
 };
 
-const reducer = combineReducers( {
+const reducer: Reducer<
+	{
+		showDomainUpsellDialog: boolean | undefined;
+		selectedStorageOptionForPlan: SelectedStorageOptionForPlan | undefined;
+	},
+	WpcomPlansUIAction
+> = combineReducers( {
 	showDomainUpsellDialog,
 	selectedStorageOptionForPlan,
 } );