Babel 8 Beta 3: TypeError: Cannot read properties of null (reading 'isMethod') #17567
Description
💻
- Would you like to work on a fix?
How are you using Babel?
babel-loader (webpack)
Input code
import * as parser from "@babel/parser";
import traverse from "@babel/traverse";
import * as t from "@babel/types";
const code = `
const a = {
"files": [],
}
`;
const ast = parser.parse(code, {
sourceType: "module",
});
traverse(ast, {
ObjectProperty(path) {
traverse(path.node, {
noScope: true,
ArrayExpression(path) {
console.log('x');
}
});
}
});Configuration file name
No response
Configuration
No response
Current and expected behavior
Current:
file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4955
if ((this.key === "key" || this.listKey === "decorators") && path.isMethod() || this.key === "discriminant" && path.isSwitchStatement()) {
^
TypeError: Cannot read properties of null (reading 'isMethod')
at NodePath.setScope (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4955:69)
at NodePath.setContext (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4976:12)
at NodePath.pushContext (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:5028:8)
at _visitPaths (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4781:19)
at _traverse (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4860:11)
at traverseNode (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4875:12)
at traverse (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:5106:3)
at ObjectProperty (file:///Users/coderaiser/putout/1.mjs:17:7)
at NodePath._call (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4896:20)
at _visit (file:///Users/coderaiser/putout/node_modules/@babel/traverse/lib/index.js:4822:15)Expected:
x
Environment
Babel 8 Beta 3
Possible solution
No response
Additional context
No response