fix: walksScope throw error when path.parentPath is null (#25)

martinoooo · web-flow · commit d49554688395 · 2020-07-13T14:01:19.000+08:00
diff --git a/packages/babel-plugin-jsx/src/utils.ts b/packages/babel-plugin-jsx/src/utils.ts
@@ -275,7 +275,7 @@ const parseDirectives = (args: {
 };
 
 const walksScope = (path: NodePath, name: string) => {
-  if (path.scope.hasBinding(name)) {
+  if (path.scope.hasBinding(name) && path.parentPath) {
     path.parentPath.setData('optimize', false);
     walksScope(path.parentPath, name);
   }

Original file line number	Diff line number	Diff line change
`@@ -275,7 +275,7 @@ const parseDirectives = (args: {`
`275`	`275`	`};`
`276`	`276`
`277`	`277`	`const walksScope = (path: NodePath, name: string) => {`
`278`		`- if (path.scope.hasBinding(name)) {`
	`278`	`+ if (path.scope.hasBinding(name) && path.parentPath) {`
`279`	`279`	`path.parentPath.setData('optimize', false);`
`280`	`280`	`walksScope(path.parentPath, name);`
`281`	`281`	`}`