Function _exec

tests/e2e/utils/process.ts:30–178

(options: ExecOptions, cmd: string, args: string[])

};

function _exec(options: ExecOptions, cmd: string, args: string[]): Promise<ProcessOutput> {
  const cwd = options.cwd ?? process.cwd();
  const env = options.env ?? process.env;

  console.log(
    `==========================================================================================`,
  );

  // Ensure the custom npm and yarn global bin is on the PATH
  // https://docs.npmjs.com/cli/v8/configuring-npm/folders#executables
  const paths = [
    join(getGlobalVariable('yarn-global'), 'bin'),
    join(getGlobalVariable('npm-global'), process.platform.startsWith('win') ? '' : 'bin'),
    env.PATH || process.env['PATH'],
  ].join(delimiter);

  args = args.filter((x) => x !== undefined);
  const flags = [
    options.silent && 'silent',
    options.waitForMatch && `matching(${options.waitForMatch})`,
  ]
    .filter((x) => !!x) // Remove false and undefined.
    .join(', ')
    .replace(/^(.+)$/, ' [$1]'); // Proper formatting.

  console.log(
    styleText(['blue'], `Running \`${cmd} ${args.map((x) => `"${x}"`).join(' ')}\`${flags}...`),
  );
  console.log(styleText(['blue'], `CWD: ${cwd}`));

  const spawnOptions: SpawnOptions = {
    cwd,
    env: { ...env, PATH: paths },
  };

  if (process.platform.startsWith('win')) {
    args.unshift('/c', cmd);
    cmd = 'cmd.exe';
    spawnOptions['stdio'] = 'pipe';
  }

  const childProcess = child_process.spawn(cmd, args, spawnOptions);

  _processes.push(childProcess);

  // Create the error here so the stack shows who called this function.
  const error = new Error();

  const processPromise = new Promise<ProcessOutput>((resolve, reject) => {
    let stdout = '';
    let stderr = '';
    let matched = false;

    // Return log info about the current process status
    function envDump() {
      return `STDOUT:\n${stdout}\n\nSTDERR:\n${stderr}`;
    }