梁美英 / programming · Files

/**
 * Library: Has Promis eCallback
 * Makes sure that an Expression node is part of a promise
 * with callback functions (like then() or catch())
 */

function hasPromiseCallback (node) {
  if (node.type !== 'CallExpression') return
  if (node.callee.type !== 'MemberExpression') return
  var propertyName = node.callee.property.name
  return propertyName === 'then' || propertyName === 'catch'
}

module.exports = hasPromiseCallback