Function handleInvalidTaskError

build-system/task-runner/amp-task-runner.js:116–129

* Prints an error if the task file and / or function are invalid, and exits. * @param {string} taskSourceFileName * @param {string=} taskFuncName

(taskSourceFileName, taskFuncName)

 * @param {string=} taskFuncName
 */
function handleInvalidTaskError(taskSourceFileName, taskFuncName) {
  log(
    red('ERROR:'),
    'Could not find' + (taskFuncName ? ` ${cyan(taskFuncName + '()')} in` : ''),
    cyan(path.join('build-system', 'tasks', taskSourceFileName)) + '.'
  );
  log(
    '⤷ Please check the arguments to',
    cyan('createTask()'),
    'in',
    cyan('amp.js') + '.'
  );
  process.exit(1);
}

/**
 * Returns a task's source file path after making sure it is either a valid JS