Add strict typing

Except for functions because of https://github.com/reactjs/redux/issues/2709

5 files changed, 26 insertions, 29 deletions

diff --git a/src/client/react/components/container/Search.tsx b/src/client/react/components/container/Search.tsx
index fdd6c83..b22c26e 100644
--- a/src/client/react/components/container/Search.tsx
+++ b/src/client/react/components/container/Search.tsx
@@ -13,8 +13,8 @@ import users from '../../users';
 import Results from './Results';
 import IconFromUserType from '../presentational/IconFromUserType';
 
-interface SearchStatehProps {
-  selectedResult: string,
+interface SearchStateProps {
+  selectedResult: string | null,
   isExactMatch: boolean,
 }
 
@@ -23,8 +23,8 @@ interface SearchDispatchProps {
   inputChange(typedValue: string): void,
 }
 
-class Search extends React.Component<SearchStatehProps & SearchDispatchProps, any> {
-  constructor(props: SearchStatehProps & SearchDispatchProps) {
+class Search extends React.Component<SearchStateProps & SearchDispatchProps, any> {
+  constructor(props: SearchStateProps & SearchDispatchProps) {
     super(props);
 
     this.state = {
@@ -80,7 +80,7 @@ class Search extends React.Component<SearchStatehProps & SearchDispatchProps, an
         <div className="search__input-wrapper">
           <div className="search__icon-wrapper">
             <IconFromUserType
-              userType={isExactMatch ? users.byId[selectedResult].type : null}
+              userType={(selectedResult && isExactMatch) ? users.byId[selectedResult].type : undefined}
               defaultIcon={<SearchIcon />}
             />
           </div>
@@ -99,26 +99,11 @@ class Search extends React.Component<SearchStatehProps & SearchDispatchProps, an
   }
 }
 
-// Search.propTypes = {
-//   selectedResult: PropTypes.string,
-//   isExactMatch: PropTypes.bool.isRequired,
-//   dispatch: PropTypes.func.isRequired,
-// };
-
-// Search.defaultProps = {
-//   selectedResult: null,
-// };
-
-const mapStateToProps = (state: State):SearchStatehProps => ({
+const mapStateToProps = (state: State):SearchStateProps => ({
   selectedResult: state.search.selectedResult,
   isExactMatch: state.search.isExactMatch,
 });
 
-// const mapDispatchToProps = {
-//   inputChange,
-//   changeSelectedResult,
-// };
-
 const mapDispatchToProps = (dispatch: any): SearchDispatchProps => ({
   inputChange(typedValue) {
     dispatch(inputChange(typedValue));
diff --git a/src/client/react/components/presentational/IconFromUserType.tsx b/src/client/react/components/presentational/IconFromUserType.tsx
index d77ea1b..83af34c 100644
--- a/src/client/react/components/presentational/IconFromUserType.tsx
+++ b/src/client/react/components/presentational/IconFromUserType.tsx
@@ -9,7 +9,7 @@ import TeacherIcon = require('react-icons/lib/md/account-circle');
 //   defaultIcon?: JSX.Element,
 // }
 
-const IconFromUserType: React.StatelessComponent<{ userType: string, defaultIcon?: JSX.Element }> = (props) => {
+const IconFromUserType: React.StatelessComponent<{ userType?: string, defaultIcon?: JSX.Element }> = (props) => {
   switch (props.userType) {
     case 'c':
       return <ClassIcon />;
diff --git a/src/client/react/reducers.ts b/src/client/react/reducers.ts
index 254fe76..6f92e1d 100644
--- a/src/client/react/reducers.ts
+++ b/src/client/react/reducers.ts
@@ -5,6 +5,7 @@ export interface State {
   search: SearchState,
 }
 
+// @ts-ignore
 const rootReducer = combineReducers<State>({
   search,
 });
diff --git a/src/client/react/reducers/search.ts b/src/client/react/reducers/search.ts
index 658d3ca..470e650 100644
--- a/src/client/react/reducers/search.ts
+++ b/src/client/react/reducers/search.ts
@@ -61,7 +61,7 @@ const search = (state = DEFAULT_STATE, action: Action): State => {
       if (isExactMatch) return state;
 
       const prevSelectedResult = state.selectedResult;
-      const prevSelectedResultIndex = results.indexOf(prevSelectedResult);
+      const prevSelectedResultIndex = prevSelectedResult ? results.indexOf(prevSelectedResult) : -1;
       let nextSelectedResultIndex =
         prevSelectedResultIndex + action.relativeChange;
 
diff --git a/src/client/react/users.ts b/src/client/react/users.ts
index a80a1c5..a16e40f 100644
--- a/src/client/react/users.ts
+++ b/src/client/react/users.ts
@@ -1,6 +1,9 @@
 /* global USERS */
 
 import { combineReducers, createStore } from 'redux';
+import { AnyAction } from 'redux';
+import { Reducer } from 'redux';
+import { ReducersMapObject } from 'redux';
 
 export interface User {
   type: string,
@@ -21,7 +24,11 @@ declare global {
 
 const getId = ({ type, value }: User) => `${type}/${value}`;
 
-const byId = (state = {}, action: Action) => {
+type ByIdState = {
+  [userId: string]: User,
+}
+
+const byId = (state: ByIdState = {}, action: Action): ByIdState => {
   switch (action.type) {
     case 'USERS/ADD_USER':
       return {
@@ -35,7 +42,9 @@ const byId = (state = {}, action: Action) => {
   }
 };
 
-const allIds = (state : any[] = [], action : Action) => {
+type AllIdsState = string[]
+
+const allIds = (state: AllIdsState = [], action: Action): AllIdsState => {
   switch (action.type) {
     case 'USERS/ADD_USER':
       return [
@@ -47,7 +56,9 @@ const allIds = (state : any[] = [], action : Action) => {
   }
 };
 
-const allUsers = (state : any[] = [], action : Action) => {
+type AllUsersState = User[];
+
+const allUsers = (state: AllUsersState = [], action: Action): AllUsersState => {
   switch (action.type) {
     case 'USERS/ADD_USER':
       return [
@@ -62,9 +73,9 @@ const allUsers = (state : any[] = [], action : Action) => {
 };
 
 interface State {
-  byId: any,
-  allIds: string[],
-  allUsers: User[]
+  byId: ByIdState,
+  allIds: AllIdsState,
+  allUsers: AllUsersState,
 }
 
 const store = createStore(combineReducers<State>({