Add more documentation, fix indentation

src/components/Alert.tsx

@@ -6,9 +6,15 @@ import ArrowForwardIcon from '@material-ui/icons/ArrowForward';
 import { Chip, Button } from '@material-ui/core';
 
 interface AlertProps {
+    /**
+     * The alert that this component should display.
+     */
     alert: IAlert;
 }
 
+/**
+ * Represents a specific alert in an alert container.
+ */
 export default ({alert}: AlertProps) => {
 
     /**
@@ -31,8 +37,6 @@ export default ({alert}: AlertProps) => {
 
     /**
      * Converts the alert's text body to proper JSX
-     *
-     * @memberof Alert
      */
     const getBody = () => {
         const links = findLink(alert.body);

src/components/AppBar.tsx

@@ -4,7 +4,16 @@ import SearchBar from '../containers/SearchBar';
 import AlertContainer from '../containers/AlertContainer';
 import { AppBar, Toolbar, Typography, Button } from '@material-ui/core';
 
+/**
+ * Represents the bar at the top of the UI.
+ */
 export default () => {
+    /**
+     * If true, the app bar is displaying the search bar; otherwise, the
+     * app bar is displaying the normal UI.
+     * 
+     * Note: This only applies to mobile users.
+     */
     const [isSearchExpanded, setIsSearchExpanded] = React.useState<boolean>(false);
 
     return (
@@ -14,6 +23,7 @@ export default () => {
                 <Toolbar className={'app-bar-tool-bar'}>
                     <div className={'app-bar-logo-name'}>
                         <img src={'assets/icons/whats-open-512x512.png'} className={'app-bar-logo'}/>
+                        
                         <Typography variant="h6" className={classNames('app-bar-title', 'app-bar-text-color')}>
                             What's Open
                         </Typography>
@@ -32,6 +42,7 @@ export default () => {
                                 href={'https://srct.gmu.edu/'} target="_blank" rel="noopener">
                             About
                         </Button>
+                        
                         <Button className={classNames('app-bar-link-button', 'app-bar-text-color')}
                                 href={'https://srct.gmu.edu/contact/'} target="_blank" rel="noopener">
                             Feedback

src/components/CardContainer.tsx

@@ -4,18 +4,28 @@ import FacilityCard from '../containers/FacilityCard';
 import { Grid } from '@material-ui/core';
 
 interface CardContainerProps {
+    /**
+     * An array of facilities to show in this container.
+     */
     facilities: IFacility[];
+
+    /**
+     * If true, show the favorite icons on each card.
+     */
     showFavoriteIcons: boolean;
 }
 
+/**
+ * A responsive grid of facility cards.
+ */
 export default ({facilities, showFavoriteIcons}: CardContainerProps) => {
     return (
         <Grid container={true} className={'card-container-root'} spacing={3} justify={'center'} alignItems={'flex-end'}>
-        {facilities.map(item => (
-            <Grid key={item.slug} item={true}>
-            <FacilityCard facility={item} showFavoriteIcon={showFavoriteIcons} />
-            </Grid>
-        ))}
+            {facilities.map(item => (
+                <Grid key={item.slug} item={true}>
+                    <FacilityCard facility={item} showFavoriteIcon={showFavoriteIcons} />
+                </Grid>
+            ))}
         </Grid>
     );
 };
\ No newline at end of file

src/components/FacilityCategory.tsx

@@ -3,9 +3,15 @@ import { IFacilityCategory } from '../models/facility.model';
 import { Typography } from '@material-ui/core';
 
 export interface FacilityCategoryProps {
+    /**
+     * The category to display.
+     */
     category: IFacilityCategory;
 }
 
+/**
+ * Displays the name of the facility category.
+ */
 export default ({category}: FacilityCategoryProps) => {
     return (
         <div className={'facility-category-wrapper'}>

src/components/FacilityStatus.tsx

@@ -5,39 +5,23 @@ import { IFacility } from '../models/facility.model';
 import { Typography } from '@material-ui/core';
 
 interface FacilityStatusProps {
+    /**
+     * The facility to check openness on.
+     */
     facility: IFacility;
 }
 
+/**
+ * Displays either Open or Closed depending whether
+ * a facility is opened or not.
+ */
 export default ({facility}: FacilityStatusProps) => {
-    /**
-     * Generates information about the facility's status.
-     *
-     * @returns {{label: string, isOpen: boolean}} Information about the facility.
-     */
-    const generateStatusInfo = () => {
-        let label;
-        let isOpen;
-
-        if (isFacilityOpen(facility)) {
-            label = 'OPEN';
-            isOpen = true;
-        } else {
-            label = 'CLOSED';
-            isOpen = false;
-        }
-
-        return {
-            label: label,
-            isOpen: isOpen
-        };
-    };
-
-    const statusInfo = generateStatusInfo();
+    const isOpen = isFacilityOpen(facility);
 
     return (
         <Typography variant={'caption'}
-            className={classNames('facility-status-text', statusInfo.isOpen ? 'facility-status-open' : 'facility-status-closed')}>
-            {statusInfo.label}
+            className={classNames('facility-status-text', isOpen ? 'facility-status-open' : 'facility-status-closed')}>
+            {isOpen ? 'OPEN' : 'CLOSED'}
         </Typography>
     );
 };
\ No newline at end of file

src/components/FavoriteButton.tsx

@@ -6,24 +6,50 @@ import FavoriteIcon from '@material-ui/icons/Favorite';
 import { trackPiwikEvent } from '../piwik/piwik';
 
 interface FavoriteButtonProps {
+    /**
+     * The slug of the facility this favorite button
+     * is linked to.
+     */
     slug: string;
+
+    /**
+     * True if the facility is initially favorited;
+     * otherwise false. 
+     */
     initialState: boolean;
+
+    /**
+     * Add a facility to the favorite list.
+     */
     addFavoriteFacility: (slug: string) => void;
+
+    /**
+     * Remove a facility from the favorite list.
+     */
     removeFavoriteFacility: (slug: string) => void;
 }
 
+/**
+ * Displays a button that can be toggled to favorite
+ * or unfavorite a facility.
+ */
 export default ({slug, initialState, addFavoriteFacility, removeFavoriteFacility}: FavoriteButtonProps) => {
+    /**
+     * If true, the facility is favorited
+     */
     const [isFavorite, setIsFavorite] = React.useState<boolean>(initialState);
 
     const handleClick = (event: React.MouseEvent) => {
-        event.stopPropagation(); // Stops the card from being selected in the sidebar.
-        event.preventDefault(); // Also stops the card from being selected in the sidebar.
+        // Stops the card from being selected in the sidebar.
+        event.stopPropagation();
+        // Also stops the card from being selected in the sidebar.
+        event.preventDefault();
 
         const newState = !isFavorite;
 
         setIsFavorite(newState);
 
-
+        // Track the action and call the corresponding action.
         if (!newState) {
             trackPiwikEvent('card-action', 'un-favorite');
 

src/components/LoadingSpinner.tsx

 import * as React from 'react';
 import { CircularProgress, Typography } from '@material-ui/core';
 
+/**
+ * A spinner with a loading text. The loading
+ * text has an animated ... following it.
+ */
 export default () => (
     <div className={'loading-spinner-container'}>
         <CircularProgress className={'loading-spinner'} />

src/components/Sidebar.tsx

@@ -9,11 +9,31 @@ import CloseIcon from '@material-ui/icons/Close';
 import * as classNames from 'classnames';
 
 interface SidebarProps {
+    /**
+     * The facility to show detailed information of
+     * in the sidebar.
+     */
     facility: IFacility;
+
+    /**
+     * If true, the sidebar is visible; otherwise
+     * it is hidden.
+     */
     isVisible: boolean;
+
+    /**
+     * Function to close the sidebar.
+     */
     closeSidebar: () => void;
 }
 
+/**
+ * A sidebar that displays detailed information
+ * about a facility.
+ * 
+ * Note: This component is only used in the
+ * desktop version.
+ */
 export default ({facility, isVisible, closeSidebar}: SidebarProps) => {
     return (
         <div className={classNames('sidebar-container', isVisible && 'sidebar-container-open')}>

src/components/TextwTitle.tsx

 import * as React from 'react';
 
 export interface TextwTitleProps {
+    /**
+     * The label associated with the content.
+     */
     label: string;
+
+    /**
+     * JSX content to be displayed.
+     */
     content: any;
 }
 
+/**
+ * Displays a JSX element with a label
+ */
 export default ({label, content}: TextwTitleProps) => {
     return (
         <div>

src/components/WeekHours.tsx

@@ -3,6 +3,10 @@ import { getHoursByDay } from '../utils/facility.util';
 import { IFacility } from '../models/facility.model';
 import { Grid, Typography } from '@material-ui/core';
 
+/**
+ * A mapping of week day (via index) to label.
+ * (0 = Mon, 1 = Tue, etc.)
+ */
 const weekDays = [
     'Mon',
     'Tue',
@@ -14,9 +18,17 @@ const weekDays = [
 ];
 
 interface WeekHoursProps {
-  facility: IFacility;
+    /**
+     * The facility whose hours of operation is
+     * displayed.
+     */
+    facility: IFacility;
 }
 
+/**
+ * Displays a facilities hours of operation for an
+ * entire week.
+ */
 export default ({facility}: WeekHoursProps) => {
     const output = [];
 

src/containers/AlertContainer.tsx

@@ -8,16 +8,44 @@ import CloseIcon from '@material-ui/icons/Close';
 import { ApplicationState } from '../store';
 import { addViewedAlertsAction } from '../store/alert/alert.actions';
 
+/**
+ * A container that shows a notification icon. When pressed, a
+ * popover opens showing all of the Alerts.
+ */
 export default () => {
+    /**
+     * List of all active alerts.
+     */
     const alerts: IAlert[] = useSelector((state: ApplicationState) => state.alerts.alerts);
+
+    /**
+     * List of alert IDs that have been viewed.
+     */
     const viewedAlerts: number[] = useSelector((state: ApplicationState) => state.alerts.viewedAlerts);
 
     const dispatch = useDispatch();
+
+    /**
+     * Specify a list of alert IDs to mark as viewed.
+     */
     const addViewedAlerts = (alertIds: number[]) => dispatch(addViewedAlertsAction(alertIds));
 
+    /**
+     * If true, the notification popover is open;
+     * otherwise it is closed.
+     */
     const [isOpen, setIsOpen] = React.useState<boolean>(false);
+
+    /**
+     * The element to anchor the popover to.
+     */
     const [anchorEl, setAnchorEl] = React.useState<HTMLElement>(null);
 
+    /**
+     * Callback for when the icon button is opened.
+     * 
+     * @param event The click event 
+     */
     const handleOpen = (event: React.MouseEvent<HTMLElement, MouseEvent>) => {
         setIsOpen(true);
         setAnchorEl(event.currentTarget);
@@ -25,11 +53,20 @@ export default () => {
         addViewedAlerts(alerts.map(alert => alert.id));
     };
 
+    /**
+     * Callback to handle the close of the popover.
+     */
     const handleClose = () => {
         setIsOpen(false);
         setAnchorEl(null);
     };
 
+    /**
+     * Returns true if the alert is currently
+     * active; otherwise false.
+     * 
+     * @param alert The alert to test.
+     */
     const isAlertActive = (alert: IAlert) => {
         const curDate = new Date();
         const startDate = new Date(alert.start_datetime);
@@ -38,6 +75,12 @@ export default () => {
         return curDate > startDate && curDate < endDate;
     };
 
+    /**
+     * Returns true if the alert has already
+     * been viewed; otherwise false.
+     * 
+     * @param alert The alert to test. 
+     */
     const hasAlertBeenViewed = (alert: IAlert) => {
         return viewedAlerts.includes(alert.id);
     };
@@ -58,6 +101,7 @@ export default () => {
 
                 <NotificationsIcon />
             </IconButton>
+
             <Popover
                 open={isOpen}
                 anchorEl={anchorEl}

src/containers/DesktopLayout.tsx

@@ -11,20 +11,53 @@ import { setSelectedFacilityAction } from '../store/ui/ui.actions';
 import LoadingSpinner from '../components/LoadingSpinner';
 import { SearchBarState } from '../store/ui/ui.reducer';
 
+/**
+ * The root for the desktop view.
+ */
 export default () => {
+    /**
+     * A list of all the facilities.
+     */
     const facilities: IFacility[] = useSelector((state: ApplicationState) => state.facilities.facilities);
+
+    /**
+     * The term that is currently being searched for.
+     */
     const searchTerm: SearchBarState = useSelector((state: ApplicationState) => state.ui.search);
+
+    /**
+     * The slug of the selected facility.
+     */
     const selectedFacilitySlug: string = useSelector((state: ApplicationState) => state.ui.selectedFacility);
 
+    /**
+     * True if the facilities are currently being
+     * fetched; otherwise false.
+     */
     const isFetching = useSelector((state: ApplicationState) => state.facilities.isFetching);
 
     const dispatch = useDispatch();
+
+    /**
+     * Function to select a facility.
+     * 
+     * @param slug The slug of the facility to select.
+     */
     const selectFacility = (slug: string) => dispatch(setSelectedFacilityAction(slug));
 
     const selectedFacility = facilities.find(f => f.slug === selectedFacilitySlug);
 
+    /**
+     * The facility to show in the sidebar.
+     * 
+     * Important: This may be different than the selected facility.
+     */
     const [sidebarFacility, setSidebarFacility] = React.useState<IFacility>(selectedFacility);
 
+    /**
+     * This is needed to prevent the sidebar from quickly closing
+     * then reopening when a facility is selected.
+     */
     if ((sidebarFacility === undefined && selectedFacility !== undefined) || (selectedFacility !== undefined && sidebarFacility.slug !== selectedFacility.slug)) {
         setSidebarFacility(selectedFacility);
     }

src/containers/FacilityCard.tsx

@@ -13,25 +13,87 @@ import { Card, CardContent, Typography, Grid } from '@material-ui/core';
 import LocationOnIcon from '@material-ui/icons/LocationOn';
 
 interface FacilityCardProps {
+    /**
+     * The facility to show in the card.
+     */
     facility: IFacility;
+
+    /**
+     * True if the favorite icon should be
+     * shown; otherwise false.
+     */
     showFavoriteIcon: boolean;
 }
 
+/**
+ * A card that displays information about the
+ * specified facility.
+ * 
+ * This component uses React.memo to memoize the component
+ * on the facilities modified date. This is an important
+ * performance increase for the following scenario:
+ *   1. Application loads using cached facilities
+ *   2. Application fetches updated facilities and
+ *      only one facility is updated.
+ *   3. Because of memoization, only that one updated
+ *      facility will be re-rendered while the rest
+ *      will succeed the memoization condition.
+ */
 export default React.memo(({facility, showFavoriteIcon}: FacilityCardProps) => {
+    /**
+     * The list of favorited facility slugs.
+     */
     const favorites = useSelector((state: ApplicationState) => state.ui.favorites);
+
+    /**
+     * The slug of the selected facility.
+     */
     const selectedFacility = useSelector((state: ApplicationState) => state.ui.selectedFacility);
 
     const dispatch = useDispatch();
+
+    /**
+     * Adds a facility to the favorite list.
+     * 
+     * @param slug The facility slug.
+     */
     const addFavoriteFacility = (slug: string) => dispatch(addFavoriteFacilityAction(slug));
+
+    /**
+     * Remove a facility from the favorite list.
+     * 
+     * @param slug The facility slug.
+     */
     const removeFavoriteFacility = (slug: string) => dispatch(removeFavoriteFacilityAction(slug));
+
+    /**
+     * Selects a facility.
+     * 
+     * @param slug The facility slug.
+     */
     const selectSelectedFacility = (slug: string) => dispatch(setSelectedFacilityAction(slug));
 
+    /**
+     * Returns true if this facility is selected.
+     */
     const isFacilitySelected = (): boolean => selectedFacility === facility.slug;
 
+    /**
+     * Selects this facility if it is not selected; otherwise,
+     * unselect this facility.
+     */
     const selectFacility = () => selectSelectedFacility(isFacilitySelected() ? '' : facility.slug);
 
+    /**
+     * Mapping from JavaScript's day of the week to the API's
+     * day of the week.
+     */
     const dayOfWeek = [6, 0, 1, 2, 3, 4, 5][new Date().getDay()];
 
+    /**
+     * Gets the text of corresponding to this facilities hours
+     * of operation for the current day of the week.
+     */
     const getDisplayHours = () => {
         const currentHour = new Date().getHours();
         const todaysHours = getHoursByDay(facility, dayOfWeek);

src/containers/FacilityDetail.tsx

@@ -12,18 +12,43 @@ import FavoriteButton from '../components/FavoriteButton';
 import TextwTitle from '../components/TextwTitle';
 
 interface FacilityDetailProps {
-  facility: IFacility;
-  onClose: () => void;
+    /**
+     * The facility to show.
+     */
+    facility: IFacility;
+
+    /**
+     * Function to call when closing.
+     */
+    onClose: () => void;
 }
 
+/**
+ * Shows specific information about a facility.
+ * 
+ * Note: This component is only used in the
+ * mobile version.
+ */
 export default ({facility, onClose}: FacilityDetailProps) => {
-
+    /**
+     * True if this facility is favorited; otherwise false.
+     */
     const isFavorite = useSelector((state: ApplicationState) => state.ui.favorites).includes(facility.slug);
 
     const dispatch = useDispatch();
 
+    /**
+     * Add a facility as a favorite.
+     * 
+     * @param slug The slug of the facility to add.
+     */
     const addFavorite = (slug: string) => dispatch(addFavoriteFacilityAction(slug));
     
+    /**
+     * Removes a facility as a favorite.
+     * 
+     * @param slug The slug of the facility to remove.
+     */
     const removeFavorite = (slug: string) => dispatch(removeFavoriteFacilityAction(slug));
 
     return (

src/containers/MobileLayout.tsx

@@ -12,20 +12,54 @@ import { setSelectedFacilityAction } from '../store/ui/ui.actions';
 import { useSwipeable } from 'react-swipeable';
 import LoadingSpinner from '../components/LoadingSpinner';
 
+/**
+ * The root for the mobile view.
+ */
 export default () => {
+    /**
+     * A list of all the facilities.
+     */
     const facilities: IFacility[] = useSelector((state: ApplicationState) => state.facilities.facilities);
+
+    /**
+     * The term that is currently being searched for.
+     */
     const searchTerm: SearchBarState = useSelector((state: ApplicationState) => state.ui.search);
+
+    /**
+     * The slug of the selected facility.
+     */
     const selectedFacilitySlug: string = useSelector((state: ApplicationState) => state.ui.selectedFacility);
 
+    /**
+     * True if the facilities are currently being
+     * fetched; otherwise false.
+     */
     const isFetching = useSelector((state: ApplicationState) => state.facilities.isFetching);
 
     const dispatch = useDispatch();
+
+    /**