ChatGPTがIME未確定の時にエンターキーを押すと送信してしまう挙動をやめるやつ

chatgpt.js

const textarea = document.querySelector('textarea[data-id="root"]');
textarea?.addEventListener(
  "keydown",
  (event) => {
    if (event.key === "Enter" && event.isComposing) {
      event.stopPropagation();
    }
  },
  { capture: true }
);

manifest.json

{
  ...略...
  "manifest_version": 3,
  "permissions": ["activeTab"],
  "content_scripts": [
    {
      "matches": ["https://chat.openai.com/chat"],
      "js": ["./chatgpt.js"]
    }
  ]
}