Prevent Slack Croissantizer

patch-slack-croissantizer.js

var originalOpen = originalOpen ? originalOpen : XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function (method, url) {
  this._url = url;
  return originalOpen.apply(this, arguments);
};

const MESSAGE = [
  {
    type: "rich_text",
    elements: [
      {
        type: "rich_text_section",
        elements: [
          { type: "text", text: "@Croissantizer", style: { strike: true } },
          { type: "text", text: " DENIED!! Better luck next time !!" },
        ],
      },
    ],
  },
];

var originalSend = originalSend ? originalSend : XMLHttpRequest.prototype.send;
XMLHttpRequest.prototype.send = function (data) {
  try {
    if (this._url.includes("api/chat.postMessage")) {
      blocks = JSON.parse(arguments[0].get("blocks"));
      if (
        blocks[0].elements[0].elements[0].type === "user" &&
        blocks[0].elements[0].elements[0].user_id === "U03EB0G8UM8"
      ) {
        arguments[0].set("blocks", JSON.stringify(MESSAGE));
      }
    }
  } catch (e) {
    console.log("FAIL");
  }
  originalSend.apply(this, arguments);
};