refactoring, using different pattern for page injection and reusing same pattern for both popup and content scripts

src/views/components/CourseCatalogMain.tsx

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+import React, { useEffect, useMemo } from 'react';
+import { bMessenger } from 'src/shared/messages';
+import { SiteSupport } from '../lib/getSiteSupport';
+import { Button } from './common/Button/Button';
+
+interface Props {
+    support: SiteSupport[];
+}
+
+export default function CourseCatalogMain(props: Props) {
+    const openGoogle = () => {
+        bMessenger.openNewTab({ url: 'https://google.com' });
+    };
+
+    return <Button onClick={openGoogle}>{props.support.join(',')}</Button>;
+}

src/views/components/PopupMain.tsx

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+import React from 'react';
+
+export default function PopupMain() {
+    return <div>popup</div>;
+}

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

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+@import 'src/views/styles/base.module.scss';
+
+.button {
+    background-color: #000;
+    color: #fff;
+    padding: 10px;
+    border-radius: 5px;
+    border: none;
+    cursor: pointer;
+    font-size: 16px;
+    font-weight: 600;
+    transition: all 0.3s ease;
+    font-family: 'Inter';
+
+    &:hover {
+        background-color: #fff;
+        color: #000;
+    }
+}

src/views/components/common/Button/Button.tsx

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+import React from 'react';
+import styles from './Button.module.scss';
+
+interface Props {
+    onClick?: () => void;
+}
+
+export function Button(props: React.PropsWithChildren<Props>): JSX.Element {
+    return (
+        <button className={styles.button} onClick={props.onClick}>
+            {props.children}
+        </button>
+    );
+}