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AST操作之API用法-node节点

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aiyingfeng 2023-07-18 14:56:03 +08:00
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AST抽象语法树/6.AST操作之API用法-node节点/README.md
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@ -11,7 +11,7 @@
| path.node.init.value | 获取某个节点的值。 | | path.node.init.value | 获取某个节点的值。 |
| delete path.node.init; | 删除节点，使用系统的 delete 方法。 | | delete path.node.init; | 删除节点，使用系统的 delete 方法。 |
**遍历打印出节点类型** **1.遍历打印出节点类型**
```javascript ```javascript
const fs = require('fs'); const fs = require('fs');
@ -44,7 +44,7 @@ NumericLiteral
var a = 123; var a = 123;
``` ```
**遍历节点打印出 VariableDeclaration 节点的变量声明列表** **2.遍历节点打印出 VariableDeclaration 节点的变量声明列表**
```javascript ```javascript
const visitor = { const visitor = {
@ -92,7 +92,7 @@ undefined
var a = 123; var a = 123;
``` ```
**获取某个节点的值** **3.获取某个节点的值**
```javascript ```javascript
const visitor = { const visitor = {
VariableDeclarator(path) { VariableDeclarator(path) {
@ -106,7 +106,7 @@ const visitor = {
123 123
``` ```
**删除某个节点的值** **4.删除某个节点的值**
```javascript ```javascript
const visitor = { const visitor = {