如何将 ast-node 转换为底层 javascript 其代表的字符串

Question

如何将节点转换为 javascript？

https://astexplorer.net/#/gist/cf11a829035dd865a3fbf6744aa4b146/50e921c2b4bea27c5d1b214acae3c5ef11a2f1af

// target file
function execute() { 
  var a = 'a'
}

// jscodeshift
export default(file, api) => {
  const j = api.jscodeshift
  const root = j(file.source)

  var node = root.find(j.VariableDeclaration)
  // i want to see what node looks like in javascript.

  return root.toSource()
}

Answer 1

推测存在您搜索的非空集合：

var node = root.find(j.VariableDeclaration).at(0).get();
// in js node looks like
return j(node).toSource();

如何将 ast-node 转换为底层 javascript 其代表的字符串

How to convert an ast-node to a string of the underlying javascript its representing

javascript

jscodeshift