msedgedriver/lib/msedgedriver.js

Microsoft Edge Driver for Selenium

const fs = require("fs");
const path = require("path");
const tcpPortUsed = require("tcp-port-used");
function getPortFromArgs(args) {
  let port = 9515;
  if (!args) {
    return port;
  }
  const portRegexp = /--port=(\d*)/;
  const portArg = args.find(function(arg) {
    return portRegexp.test(arg);
  });
  if (portArg) {
    port = parseInt(portRegexp.exec(portArg)[1]);
  }
  return port;
}
process.env.PATH = path.join(__dirname, "msedgedriver") + path.delimiter + process.env.PATH;
exports.path =
  process.platform === "win32"
    ? path.join(__dirname, "msedgedriver", "msedgedriver.exe")
    : path.join(__dirname, "msedgedriver", "msedgedriver");
exports.version = "91.0.864.53";
exports.start = function(args, returnPromise) {
  let command = exports.path;
  if (!fs.existsSync(command)) {
    console.log("Could not find msedgedriver in default path: ", command);
    console.log("Falling back to use global msedgedriver bin");
    command = process.platform === "win32" ? "msedgedriver.exe" : "msedgedriver";
  }
  const cp = require("child_process").spawn(command, args);
  cp.stdout.pipe(process.stdout);
  cp.stderr.pipe(process.stderr);
  exports.defaultInstance = cp;
  if (!returnPromise) {
    return cp;
  }
  const port = getPortFromArgs(args);
  const pollInterval = 100;
  const timeout = 10000;
  return tcpPortUsed.waitUntilUsed(port, pollInterval, timeout).then(function() {
    return cp;
  });
};
exports.stop = function() {
  if (exports.defaultInstance != null) {
    exports.defaultInstance.kill();
  }
};