background.js

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
    if (message.action === "getHTMLCode") {
      chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
        const activeTab = tabs[0];
        console.log(activeTab);
        chrome.scripting.executeScript(
          {
            target: { tabId: activeTab.id },
            func: () => document.documentElement.outerHTML,
          },
          (result) => {
            const htmlCode = result[0].result;
            chrome.runtime.sendMessage({ action: "htmlCode", data: htmlCode });
          }
        );
      });
    }
    if(message.action === "getInfo"){
      chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
        const activeTab = tabs[0];
        console.log(activeTab);
        chrome.scripting.executeScript(
          {
            target: { tabId: activeTab.id },
            func: () => document.documentElement.outerHTML,
          },
          (result) => {
            const htmlCode = result[0].result;
            chrome.runtime.sendMessage({ action: "setInfo", activeTabData: htmlCode});
          }
        );
      });
    }
    if (message.action === "generatePDF") {
      chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
        const activeTab = tabs[0];
        console.log(activeTab);
        chrome.scripting.executeScript(
          {
            target: { tabId: activeTab.id },
            func: () => document.documentElement.outerHTML,
          },
          (result) => {
            const htmlCode = result[0].result;
            chrome.runtime.sendMessage({ action: "generatePDF", activeTabData: htmlCode});
          }
        );
      });
      
    }
    
  });