An example of 'Search on Google' macro for VSCodeMacros extension

SearchOnGoogle.js

// [VSCode Macros] extension
// https://marketplace.visualstudio.com/items?itemName=EXCEEDSYSTEM.vscode-macros
// License:MIT
const vscode = require('vscode');
const process = require('process');
const cp = require('child_process');

module.exports.macroCommands = {
  SearchOnGoogle: {
    no: 1,
    func: searchOnGoogle,
  },
};

async function searchOnGoogle() {
  const text = await getSearchWords();
  if (text?.length) launchDefaultBrowser(text);
}

function launchDefaultBrowser(keywords) {
  let launcher;
  switch (process.platform) {
    case 'linux':
      launcher = 'xdg-open';
      break;
    case 'darwin': // *Unverified
      launcher = 'open';
      break;
    case 'win32':
      launcher = 'start "" ';
      break;
  }
  // Open a url in default web browser
  if (launcher?.length) cp.exec(`${launcher} "https://www.google.com/search?q=${encodeURI(keywords)}"`);
}

async function getSearchWords() {
  const editor = vscode.window.activeTextEditor;
  let searchWords;
  if (editor) {
    const document = editor.document;
    const selection = editor.selection;
    searchWords = document.getText(selection);
  }
  if (!searchWords?.length) {
    // Get search words from input box
    searchWords = await vscode.window.showInputBox({ prompt: 'Enter search words' });
  }
  return searchWords;
}