アイコンクリックでDiscordへリンクをシェアするChrome拡張を作る

{
  "name": "Share Link To Discord",
  "manifest_version": 3,
  "version": "0.1",
  "permissions": ["activeTab", "scripting"],
  "action": {
    "default_icon": "img/icon_16.png"
  },
  "icons": {
    "16": "img/icon_16.png",
    "48": "img/icon_48.png",
    "128": "img/icon_128.png"
  },
  "background": {
    "service_worker": "background.js"
  }
}

chrome.action.onClicked.addListener((tab) => {
  chrome.scripting.executeScript({
    target: { tabId: tab.id },
    files: ['send.js']
  });
});

(function () {
  const url = location.href
  const request = new XMLHttpRequest();
  const params = {
    content: url
  };

  request.open("POST", "YOUR WEBHOOK HERE", true);
  request.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
  request.send(JSON.stringify(params));

  request.onreadystatechange = function () {
    if (request.readyState === 4 && request.status === 204) {
      console.log("URL successfully sent to Discord:", url);
    } else if (request.readyState === 4) {
      console.error("Failed to send URL to Discord:", request.status, request.statusText);
    }
  };
})();