From 72d8b4e6bee0ffac79e96dd649a9da2adb86b507 Mon Sep 17 00:00:00 2001
From: name <email@example.com>
Date: Wed, 27 Sep 2023 11:34:23 +0000
Subject: 2023-09-26

---
 docusaurus/src/theme/Footer/InputPreloader.tsx   | 46 +++++++---------
 docusaurus/src/theme/Footer/index.tsx            | 27 ++++-----
 docusaurus/src/theme/NotFound/DDoSProtection.tsx | 13 +----
 docusaurus/src/theme/NotFound/Redirection.tsx    | 59 ++++++++++++++++++++
 docusaurus/src/theme/NotFound/index.tsx          | 37 +++++--------
 docusaurus/src/theme/NotFound/redirectInput.tsx  | 70 ------------------------
 6 files changed, 107 insertions(+), 145 deletions(-)
 create mode 100644 docusaurus/src/theme/NotFound/Redirection.tsx
 delete mode 100644 docusaurus/src/theme/NotFound/redirectInput.tsx

(limited to 'docusaurus/src/theme')

diff --git a/docusaurus/src/theme/Footer/InputPreloader.tsx b/docusaurus/src/theme/Footer/InputPreloader.tsx
index 325f8a7..2ba2e19 100644
--- a/docusaurus/src/theme/Footer/InputPreloader.tsx
+++ b/docusaurus/src/theme/Footer/InputPreloader.tsx
@@ -1,35 +1,31 @@
-/**
- * @license
- * SPDX-License-Identifier: AGPL-3.0-or-later
- * This file is part of Wolfree.
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- */
-
-import React, { useEffect, useState } from "react";
-
-const InputPreloader = () => {
-  const [showIframe, setShowIframe] = useState(false);
-
-  useEffect(() => {
-    const handleIframeLoad = () => {
-      // Show the iframe after a 3000ms delay
-      const timerId = setTimeout(() => setShowIframe(true), 3000);
-      // Cleanup the timer when the component unmounts
-      return () => clearTimeout(timerId);
-    };
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
 
-    window.scroll(0, 0);
+import React from "react";
+
+export default (): React.JSX.Element => {
+  const [insertIframe, setInsertIframe] = React.useState(false);
+
+  React.useEffect((): (() => void) => {
+    const handleIframeLoad = (): (() => void) => {
+      // Insert the iframe after a 3000ms delay.
+      const timerId = setTimeout((): void => setInsertIframe(true), 3000);
+
+      // Cleanup the timer when the component unmounts.
+      return (): void => clearTimeout(timerId);
+    };
 
     window.addEventListener("load", handleIframeLoad);
 
-    // Cleanup the event listener when the component unmounts
-    return () => window.removeEventListener("load", handleIframeLoad);
-  }, []); // Empty dependency array means the effect runs only once after initial render
+    window.scroll(0, 0);
+
+    // Cleanup the event listener when the component unmounts.
+    return (): void => window.removeEventListener("load", handleIframeLoad);
+  }, []); // Empty dependency array means the effect runs only once after initial render.
 
   return (
     <>
       {/* Use a descriptive title for accessibility */}
-      {showIframe && (
+      {insertIframe && (
         <iframe
           title="Input Page Preloader"
           src="/input/"
@@ -39,5 +35,3 @@ const InputPreloader = () => {
     </>
   );
 };
-
-export default InputPreloader;
diff --git a/docusaurus/src/theme/Footer/index.tsx b/docusaurus/src/theme/Footer/index.tsx
index 2edef40..e4063c5 100644
--- a/docusaurus/src/theme/Footer/index.tsx
+++ b/docusaurus/src/theme/Footer/index.tsx
@@ -1,21 +1,14 @@
-/**
- * @license
- * SPDX-License-Identifier: AGPL-3.0-or-later
- * This file is part of Wolfree.
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- */
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
 
-import React from "react";
 import Footer from "@theme-original/Footer";
 import InputPreloader from "./InputPreloader";
+import React from "react";
 
-const FooterWrapper = (props: React.JSX.IntrinsicAttributes) => {
-  return (
-    <>
-      <Footer {...props} />
-      <InputPreloader />
-    </>
-  );
-};
-
-export default FooterWrapper;
+export default (
+  props: React.JSX.ElementAttributesProperty
+): React.JSX.Element => (
+  <>
+    <Footer {...props} />
+    <InputPreloader />
+  </>
+);
diff --git a/docusaurus/src/theme/NotFound/DDoSProtection.tsx b/docusaurus/src/theme/NotFound/DDoSProtection.tsx
index 6cd8c04..b861669 100644
--- a/docusaurus/src/theme/NotFound/DDoSProtection.tsx
+++ b/docusaurus/src/theme/NotFound/DDoSProtection.tsx
@@ -1,19 +1,14 @@
-/**
- * @license
- * SPDX-License-Identifier: AGPL-3.0-or-later
- * This file is part of Wolfree.
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- */
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
 
 import React from "react";
 
-const DDoSProtection = () => (
+export default (): React.JSX.Element => (
   <center
     style={{
       display: "flex",
       justifyContent: "center",
       alignItems: "center",
-      height: 100 + "vh",
+      height: "99vh",
     }}
   >
     <center>
@@ -30,5 +25,3 @@ const DDoSProtection = () => (
     </center>
   </center>
 );
-
-export default DDoSProtection;
diff --git a/docusaurus/src/theme/NotFound/Redirection.tsx b/docusaurus/src/theme/NotFound/Redirection.tsx
new file mode 100644
index 0000000..3fe2d6d
--- /dev/null
+++ b/docusaurus/src/theme/NotFound/Redirection.tsx
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
+
+import React from "react";
+import typescriptNever from "../../functions/typescriptNever";
+
+export default (): React.JSX.Element => {
+  React.useEffect((): void => {
+    const pathname = window.location.pathname;
+
+    const isExample = pathname.includes("/example");
+
+    if (isExample === true) {
+      const topic = "topic " + pathname.split("/").pop().replace(/-/g, " ");
+      const url = new URL("/input/", window.location.href);
+      url.searchParams.set("i", topic);
+      window.location.replace(url);
+    } else if (isExample === false) {
+      window.location.replace("/");
+    } else {
+      window.location.replace("/");
+      typescriptNever(isExample);
+    }
+  }, []); // Empty dependency array means the effect runs only once after initial render.
+
+  return <></>;
+};
+
+/*
+ * test case:
+ *
+ *   - Passing
+ *     - elementary-math
+ *       - Goal: https://www.wolframalpha.com/examples/mathematics/elementary-math
+ *       - Doesn't work: http://localhost/input?i=elementary+math
+ *       - Does work: http://localhost/input?i=topic+elementary+math
+ *     - common-core-math-functions
+ *       - Goal: https://wc.wolframalpha.com/examples/mathematics/common-core-math/common-core-math-functions
+ *       - Doesn't work: http://localhost/input?i=common+core+math+functions
+ *       - Does work: http://localhost/input?i=topic+common+core+math+functions
+ *
+ *   - Failing
+ *     - continuity
+ *       - Goal: https://www.wolframalpha.com/examples/mathematics/calculus-and-analysis/continuity
+ *       - Does not work: http://localhost/input?i=topic+continuity
+ *       - Does work: (not found yet)
+ *     - neuroscience
+ *       - Goal: https://www.wolframalpha.com/examples/science-and-technology/life-sciences/neuroscience
+ *       - Does not work: http://localhost/input?i=topic+neuroscience
+ *       - Does work: (not found yet)
+ *     - molecular-biology
+ *       - Goal: https://wc.wolframalpha.com/examples/science-and-technology/life-sciences/molecular-biology
+ *       - Does not work: http://localhost/input?i=topic+molecular+biology
+ *       - Does work: (not found yet)
+ *     - personal-finance
+ *       - Goal: https://www.wolframalpha.com/examples/everyday-life/personal-finance
+ *       - Does not work: http://localhost/input?i=topic+personal+finance
+ *       - Does work: (not found yet)
+ *
+ */
diff --git a/docusaurus/src/theme/NotFound/index.tsx b/docusaurus/src/theme/NotFound/index.tsx
index d5e0208..15e9fe6 100644
--- a/docusaurus/src/theme/NotFound/index.tsx
+++ b/docusaurus/src/theme/NotFound/index.tsx
@@ -1,28 +1,21 @@
-/**
- * @license
- * SPDX-License-Identifier: AGPL-3.0-or-later
- * This file is part of Wolfree.
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- */
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
 
-import React from "react";
-import NotFound from "@theme-original/NotFound";
-import redirectInput from "./redirectInput";
 import DDoSProtection from "./DDoSProtection";
+import NotFound from "@theme-original/NotFound";
+import React from "react";
+import Redirection from "./Redirection";
 
-const NotFoundWrapper = (props: React.JSX.IntrinsicAttributes) => {
-  redirectInput();
-  return (
-    <>
-      <DDoSProtection />
-      <div style={{ display: "none" }}>
-        <NotFound {...props} />
-      </div>
-    </>
-  );
-};
-
-export default NotFoundWrapper;
+export default (
+  props: React.JSX.ElementAttributesProperty
+): React.JSX.Element => (
+  <>
+    <Redirection />
+    <DDoSProtection />
+    <div style={{ display: "none" }}>
+      <NotFound {...props} />
+    </div>
+  </>
+);
 
 // How can I customize the 404 page? · facebook/docusaurus · Discussion #6030
 // https://github.com/facebook/docusaurus/discussions/6030
diff --git a/docusaurus/src/theme/NotFound/redirectInput.tsx b/docusaurus/src/theme/NotFound/redirectInput.tsx
deleted file mode 100644
index 4e29b4a..0000000
--- a/docusaurus/src/theme/NotFound/redirectInput.tsx
+++ /dev/null
@@ -1,70 +0,0 @@
-/**
- * @license
- * SPDX-License-Identifier: AGPL-3.0-or-later
- * This file is part of Wolfree.
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- */
-
-import { useEffect } from "react";
-
-const redirectInput = () => {
-  useEffect(() => {
-    const redirectToInputPage = () => {
-      const pathname = window.location.pathname;
-
-      const isExample = pathname.includes("/example");
-      if (!isExample) {
-        window.location.href = "/";
-        return;
-      }
-
-      const filename = pathname.split("/").pop();
-      if (!filename) {
-        window.location.href = "/";
-        return;
-      }
-
-      const topic = "topic " + filename.replace(/-/g, " ");
-      const url = new URL("/input/", window.location.href);
-      url.searchParams.set("i", topic);
-      window.location.href = url.href;
-    };
-
-    redirectToInputPage();
-  }, []); // The effect runs only once on mount
-};
-
-export default redirectInput;
-
-/*
- * test case:
- *
- *   - Passing
- *     - elementary-math
- *       - Goal: https://www.wolframalpha.com/examples/mathematics/elementary-math
- *       - Doesn't work: http://localhost/input?i=elementary+math
- *       - Does work: http://localhost/input?i=topic+elementary+math
- *     - common-core-math-functions
- *       - Goal: https://wc.wolframalpha.com/examples/mathematics/common-core-math/common-core-math-functions
- *       - Doesn't work: http://localhost/input?i=common+core+math+functions
- *       - Does work: http://localhost/input?i=topic+common+core+math+functions
- *
- *   - Failing
- *     - continuity
- *       - Goal: https://www.wolframalpha.com/examples/mathematics/calculus-and-analysis/continuity
- *       - Does not work: http://localhost/input?i=topic+continuity
- *       - Does work: (not found yet)
- *     - neuroscience
- *       - Goal: https://www.wolframalpha.com/examples/science-and-technology/life-sciences/neuroscience
- *       - Does not work: http://localhost/input?i=topic+neuroscience
- *       - Does work: (not found yet)
- *     - molecular-biology
- *       - Goal: https://wc.wolframalpha.com/examples/science-and-technology/life-sciences/molecular-biology
- *       - Does not work: http://localhost/input?i=topic+molecular+biology
- *       - Does work: (not found yet)
- *     - personal-finance
- *       - Goal: https://www.wolframalpha.com/examples/everyday-life/personal-finance
- *       - Does not work: http://localhost/input?i=topic+personal+finance
- *       - Does work: (not found yet)
- *
- */
-- 
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