#305: fix linting errors after installing flow plugin for eslint.

Improve Authflow#run() typing

src/components/auth/reducer.js

@@ -1,3 +1,4 @@
+// @flow
 import { combineReducers } from 'redux';
 
 import {

src/components/profile/multiFactorAuth/index.js

@@ -1,2 +1,3 @@
+// @flow
 export { default } from './MultiFactorAuth';
 export type { MfaStep } from './MfaEnable';

src/components/userbar/LoggedInPanel.js

@@ -18,7 +18,7 @@ export default class LoggedInPanel extends Component<{
         isAccountSwitcherActive: false
     };
 
-    _isMounted: boolean = false;
+    _isMounted: bool = false;
     el: ?HTMLElement;
 
     componentDidMount() {
@@ -95,7 +95,7 @@ export default class LoggedInPanel extends Component<{
  */
 function createOnOutsideComponentClickHandler(
     getEl: () => ?HTMLElement,
-    isActive: () => boolean,
+    isActive: () => bool,
     callback: Function
 ) {
     // TODO: we have the same logic in LangMenu

src/pages/profile/MultiFactorAuthPage.js

@@ -42,20 +42,32 @@ class MultiFactorAuthPage extends Component<{
     }
 
     render() {
-        const step = (parseInt(this.props.match.params.step, 10) || 1) - 1;
         const {user} = this.props;
 
         return (
             <MultiFactorAuth
                 isMfaEnabled={user.isOtpEnabled}
                 onSubmit={this.onSubmit}
-                step={step}
+                step={this.getStep()}
                 onChangeStep={this.onChangeStep}
                 onComplete={this.onComplete}
             />
         );
     }
 
+    getStep(): MfaStep {
+        const step = (parseInt(this.props.match.params.step, 10) || 1) - 1;
+
+        if (step !== 0
+            && step !== 1
+            && step !== 2
+        ) { // NOTE: flow does not understand Array.includes()
+            return 1;
+        }
+
+        return step;
+    }
+
     onChangeStep = (step: MfaStep) => {
         this.props.history.push(`/profile/mfa/step${step + 1}`);
     };

src/pages/root/RootPage.js

@@ -32,7 +32,7 @@ if (process.env.NODE_ENV === 'production') {
 
 class RootPage extends Component<{
     user: User,
-    isPopupActive: boolean,
+    isPopupActive: bool,
     onLogoClick: Function,
     location: {
         pathname: string

src/services/authFlow/AuthFlow.js

@@ -19,8 +19,39 @@ type Request = {
     query: URLSearchParams,
     params: Object
 };
+
+// TODO: temporary added to improve typing without major refactoring
+type ActionId =
+    | 'updateUser'
+    | 'authenticate'
+    | 'logout'
+    | 'goBack'
+    | 'redirect'
+    | 'login'
+    | 'acceptRules'
+    | 'forgotPassword'
+    | 'recoverPassword'
+    | 'register'
+    | 'activate'
+    | 'resendActivation'
+    | 'contactUs'
+    | 'setLogin'
+    | 'setAccountSwitcher'
+    | 'setErrors'
+    | 'clearErrors'
+    | 'oAuthValidate'
+    | 'oAuthComplete'
+    | 'setClient'
+    | 'resetOAuth'
+    | 'resetAuth'
+    | 'setOAuthRequest'
+    | 'setOAuthCode'
+    | 'requirePermissionsAccept'
+    | 'setScopes'
+    | 'setLoadingState';
+
 export interface AuthContext {
-    run(actionId: string, payload: *): *;
+    run(actionId: ActionId, payload?: ?Object): *;
     setState(newState: AbstractState): Promise<*> | void;
     getState(): Object;
     navigate(route: string): void;
@@ -94,7 +125,7 @@ export default class AuthFlow implements AuthContext {
         this.state.goBack(this);
     }
 
-    run(actionId: string, payload: Object): Promise<*> {
+    run(actionId: ActionId, payload?: ?Object): Promise<*> {
         if (!this.actions[actionId]) {
             throw new Error(`Action ${actionId} does not exists`);
         }

src/services/authFlow/index.js

@@ -1,10 +1,37 @@
+// @flow
 import AuthFlow from './AuthFlow';
 export type {AuthContext} from './AuthFlow';
 
 import * as actions from 'components/auth/actions';
 
 const availableActions = {
-    ...actions
+    updateUser: actions.updateUser,
+    authenticate: actions.authenticate,
+    logout: actions.logout,
+    goBack: actions.goBack,
+    redirect: actions.redirect,
+    login: actions.login,
+    acceptRules: actions.acceptRules,
+    forgotPassword: actions.forgotPassword,
+    recoverPassword: actions.recoverPassword,
+    register: actions.register,
+    activate: actions.activate,
+    resendActivation: actions.resendActivation,
+    contactUs: actions.contactUs,
+    setLogin: actions.setLogin,
+    setAccountSwitcher: actions.setAccountSwitcher,
+    setErrors: actions.setErrors,
+    clearErrors: actions.clearErrors,
+    oAuthValidate: actions.oAuthValidate,
+    oAuthComplete: actions.oAuthComplete,
+    setClient: actions.setClient,
+    resetOAuth: actions.resetOAuth,
+    resetAuth: actions.resetAuth,
+    setOAuthRequest: actions.setOAuthRequest,
+    setOAuthCode: actions.setOAuthCode,
+    requirePermissionsAccept: actions.requirePermissionsAccept,
+    setScopes: actions.setScopes,
+    setLoadingState: actions.setLoadingState
 };
 
 export default new AuthFlow(availableActions);