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

---
 typescript/src/listenToChangeEvent.ts | 52 +++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 typescript/src/listenToChangeEvent.ts

(limited to 'typescript/src/listenToChangeEvent.ts')

diff --git a/typescript/src/listenToChangeEvent.ts b/typescript/src/listenToChangeEvent.ts
new file mode 100644
index 0000000..7f091a9
--- /dev/null
+++ b/typescript/src/listenToChangeEvent.ts
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
+
+import type EntrypointParameter from "./EntrypointParameter.js";
+import entrypoint from "./entrypoint.js";
+import podsClassName from "./podsClassName.js";
+import typescriptNever from "./typescriptNever.js";
+
+export default (EntrypointParameter: EntrypointParameter): void => {
+  try {
+    Object.freeze(EntrypointParameter);
+
+    Array.from(
+      document.querySelectorAll(
+        `html > body > div#__next > div > main > main > div.${podsClassName} > div > div > section > section > div:is(:first-child) > select`
+      )
+    )
+      .filter((element: Element): boolean => {
+        if (element instanceof HTMLSelectElement) {
+          return true;
+        } else if (element instanceof Element) {
+          console.warn({ element });
+        } else {
+          typescriptNever(element);
+        }
+
+        return false;
+      })
+      .map((element: Element): void => {
+        element.addEventListener("change", async (event): Promise<void> => {
+          if (event.target instanceof HTMLSelectElement) {
+            await entrypoint({
+              ...EntrypointParameter,
+              podstate: [
+                "Step-by-step solution",
+                "Step-by-step",
+                "Show all steps",
+                event.target.value,
+              ],
+            });
+          } else if (event.target instanceof EventTarget) {
+            console.warn({ event });
+          } else if (event.target === null) {
+            console.warn({ event });
+          } else {
+            typescriptNever(event.target);
+          }
+        });
+      });
+  } catch (error) {
+    console.warn({ error });
+  }
+};
-- 
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