created reusable text component, and setup typing for it automatically. also fixed bugs with autoload and scraper so that it would handle appending course name headers

src/shared/types/Course.ts

@@ -82,5 +82,5 @@ export class Course {
  */
 export type ScrapedRow = {
     element: HTMLTableRowElement;
-    course: Course;
+    course: Course | null;
 };

src/views/components/CourseCatalogMain.tsx

@@ -6,6 +6,7 @@ import getCourseTableRows from '../lib/getCourseTableRows';
 import { SiteSupport } from '../lib/getSiteSupport';
 import { populateSearchInputs } from '../lib/populateSearchInputs';
 import ExtensionRoot from './common/ExtensionRoot/ExtensionRoot';
+import Text from './common/Text/Text';
 import AutoLoad from './injected/AutoLoad/AutoLoad';
 import CoursePanel from './injected/CoursePanel/CoursePanel';
 import TableHead from './injected/TableHead';
@@ -53,15 +54,21 @@ export default function CourseCatalogMain({ support }: Props) {
     return (
         <ExtensionRoot>
             <TableHead>Plus</TableHead>
-            {rows.map(row => (
-                <TableRow
-                    element={row.element}
-                    course={row.course}
-                    isSelected={row.course.uniqueId === selectedCourse?.uniqueId}
-                    support={support}
-                    onClick={handleRowButtonClick(row.course)}
-                />
-            ))}
+            {rows.map(row => {
+                if (!row.course) {
+                    // TODO: handle the course section headers
+                    return null;
+                }
+                return (
+                    <TableRow
+                        element={row.element}
+                        course={row.course}
+                        isSelected={row.course.uniqueId === selectedCourse?.uniqueId}
+                        support={support}
+                        onClick={handleRowButtonClick(row.course)}
+                    />
+                );
+            })}
             {selectedCourse && <CoursePanel course={selectedCourse} onClose={handleClearSelectedCourse} />}
             <AutoLoad addRows={addRows} />
         </ExtensionRoot>

src/views/components/common/Spinner/Spinner.module.scss

@@ -3,9 +3,9 @@
 $spinner-border-width: 10px;
 
 .spinner {
-    border: 1px solid $CHARCOAL;
+    border: 1px solid $charcoal;
     border-width: $spinner-border-width;
-    border-top: $spinner-border-width solid $TANGERINE;
+    border-top: $spinner-border-width solid $tangerine;
     margin: 0 auto 15px auto;
     border-radius: 50%;
     width: 60px;

src/views/components/common/Text/Text.module.scss

@@ -0,0 +1,3 @@
+.text {
+    font-family: 'Inter', sans-serif;
+}

src/views/components/common/Text/Text.tsx

@@ -0,0 +1,40 @@
+import classNames from 'classnames';
+import React, { PropsWithChildren } from 'react';
+import colors, { ISassColors } from 'src/views/styles/colors.module.scss';
+import fonts, { ISizes, IWeights } from 'src/views/styles/fonts.module.scss';
+import styles from './Text.module.scss';
+
+type Props = {
+    color?: keyof ISassColors & 'black';
+    weight: keyof IWeights;
+    size: keyof ISizes;
+    span?: boolean;
+    className?: string;
+    onClick?: () => void;
+    align?: React.CSSProperties['textAlign'];
+    style?: React.CSSProperties;
+};
+
+/**
+ * A reusable Text component with props that build on top of the design system for the extension
+ */
+export default function Text(props: PropsWithChildren<Props>) {
+    const style = props.style || {};
+
+    style.textAlign ??= props.align;
+    style.color ??= colors?.[props.color ?? 'charcoal'];
+    style.fontSize ??= fonts?.[props.size ?? 'medium'];
+    style.fontWeight ??= fonts?.[props.weight ?? 'bold'];
+
+    if (props.span) {
+        <span className={classNames(styles.text, props.className)} style={style} onClick={props.onClick}>
+            {props.children}
+        </span>;
+    }
+
+    return (
+        <div className={classNames(styles.text, props.className)} style={style} onClick={props.onClick}>
+            {props.children}
+        </div>
+    );
+}

src/views/components/injected/AutoLoad/AutoLoad.tsx

@@ -42,7 +42,7 @@ export default function AutoLoad({ addRows }: Props) {
         }
         // scrape the courses from the page
         const ccs = new CourseCatalogScraper(SiteSupport.COURSE_CATALOG_LIST);
-        const scrapedRows = ccs.scrape(nextRows);
+        const scrapedRows = ccs.scrape(nextRows, true);
 
         // add the scraped courses to the current page
         addRows(scrapedRows);

src/views/index.tsx

@@ -34,7 +34,7 @@ onContextInvalidated(() => {
     div.id = 'context-invalidated-container';
     document.body.appendChild(div);
     render(
-        <ContextInvalidated fontFamily='monospace' color={colors.WHITE} backgroundColor={colors.BURNT_ORANGE} />,
+        <ContextInvalidated fontFamily='monospace' color={colors.white} backgroundColor={colors.burnt_orange} />,
         div
     );
 });

src/views/lib/CourseCatalogScraper.ts

@@ -39,9 +39,10 @@ export class CourseCatalogScraper {
     /**
      * Pass in a list of HTMLtable rows and scrape every course from them
      * @param rows the rows of the course catalog table
+     * @param keepHeaders whether to keep the header rows (which contain the course name) in the output
      * @returns an array of course row objects (which contain courses corresponding to the htmltable row)
      */
-    public scrape(rows: NodeListOf<HTMLTableRowElement> | HTMLTableRowElement[]): ScrapedRow[] {
+    public scrape(rows: NodeListOf<HTMLTableRowElement> | HTMLTableRowElement[], keepHeaders = false): ScrapedRow[] {
         const courses: ScrapedRow[] = [];
 
         let fullName = this.getFullName();
@@ -49,6 +50,12 @@ export class CourseCatalogScraper {
         rows.forEach(row => {
             if (this.isHeaderRow(row)) {
                 fullName = this.getFullName(row);
+                if (keepHeaders) {
+                    courses.push({
+                        element: row,
+                        course: null,
+                    });
+                }
                 return;
             }
             // we are now ready to build the course object

src/views/styles/base.module.scss

@@ -1,3 +1,4 @@
 @import './colors.module.scss';
 @import './fonts.module.scss';
 @import './elevation.module.scss';
+@import './utils.module.scss';

src/views/styles/colors.module.scss

@@ -1,25 +1,25 @@
-$BURNT_ORANGE: #bf5700;
-$CHARCOAL: #333f48;
-$WHITE: #ffffff;
-$TANGERINE: #f8971f;
-$SUNSHINE: #ffd600;
-$CACTUS: #a6cd57;
-$TURTLE_POND: #579d42;
-$TURQUOISE: #00a9b7;
-$BLUEBONNET: #005f86;
-$SHADE: #9cadb7;
-$LIMESTONE: #d6d2c4;
+$burnt_orange: #bf5700;
+$charcoal: #333f48;
+$white: #ffffff;
+$tangerine: #f8971f;
+$sunshine: #ffd600;
+$cactus: #a6cd57;
+$turtle_pond: #579d42;
+$turquoise: #00a9b7;
+$bluebonnet: #005f86;
+$shade: #9cadb7;
+$limestone: #d6d2c4;
 
 :export {
-    BURNT_ORANGE: $BURNT_ORANGE;
-    CHARCOAL: $CHARCOAL;
-    WHITE: $WHITE;
-    TANGERINE: $TANGERINE;
-    SUNSHINE: $SUNSHINE;
-    CACTUS: $CACTUS;
-    TURTLE_POND: $TURTLE_POND;
-    TURQUOISE: $TURQUOISE;
-    BLUEBONNET: $BLUEBONNET;
-    SHADE: $SHADE;
-    LIMESTONE: $LIMESTONE;
+    burnt_orange: $burnt_orange;
+    charcoal: $charcoal;
+    white: $white;
+    tangerine: $tangerine;
+    sunshine: $sunshine;
+    cactus: $cactus;
+    turtle_pond: $turtle_pond;
+    turquoise: $turquoise;
+    bluebonnet: $bluebonnet;
+    shade: $shade;
+    limestone: $limestone;
 }

src/views/styles/colors.module.scss.d.ts

@@ -3,17 +3,17 @@
  * when we import them into ts/tsx files
  */
 export interface ISassColors {
-    BURNT_ORANGE: string;
-    CHARCOAL: string;
-    WHITE: string;
-    TANGERINE: string;
-    SUNSHINE: string;
-    CACTUS: string;
-    TURTLE_POND: string;
-    TURQUOISE: string;
-    BLUEBONNET: string;
-    SHADE: string;
-    LIMESTONE: string;
+    burnt_orange: string;
+    charcoal: string;
+    white: string;
+    tangerine: string;
+    sunshine: string;
+    cactus: string;
+    turtle_pond: string;
+    turquoise: string;
+    bluebonnet: string;
+    shade: string;
+    limestone: string;
 }
 
 declare const colors: ISassColors;

src/views/styles/fonts.module.scss

@@ -7,3 +7,32 @@
         font-weight: #{$weights};
     }
 }
+
+$light: 300;
+$regular: 400;
+$medium: 500;
+$semi_bold: 600;
+$bold: 700;
+$black: 900;
+
+$x_small: 8px;
+$small: 12px;
+$medium: 16px;
+$large: 24px;
+$x_large: 32px;
+$xx_large: 48px;
+
+:export {
+    light: $light;
+    regular: $regular;
+    medium: $medium;
+    semi_bold: $semi_bold;
+    bold: $bold;
+    black: $black;
+    x_small: $x_small;
+    small: $small;
+    medium: $medium;
+    large: $large;
+    x_large: $x_large;
+    xx_large: $xx_large;
+}

src/views/styles/fonts.module.scss.d.ts

@@ -0,0 +1,26 @@
+export interface IWeights {
+    light: number;
+    regular: number;
+    medium: number;
+    bold: number;
+    semi_bold: number;
+    black: number;
+}
+
+export interface ISizes {
+    x_small: number;
+    small: number;
+    medium: number;
+    large: number;
+    x_large: number;
+    xx_large: number;
+}
+
+/**
+ * This is a file that we need to create to tell typescript what the shape of the css modules is
+ * when we import them into ts/tsx files
+ */
+export type IFonts = IWeights & ISizes;
+
+declare const fonts: IFonts;
+export default fonts;