Throw invariant error

babel · Aug 28, 2020 · 01b4fcc · 01b4fcc
1 parent 929f3ce
commit 01b4fcc
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/packages/babel-helper-builder-react-jsx-experimental/src/index.js b/packages/babel-helper-builder-react-jsx-experimental/src/index.js
@@ -439,6 +439,13 @@ You can set \`throwIfNamespace: false\` to bypass this warning.`,
   }
 
   function makeSource(path, state) {
+    const location = path.node.loc;
+    if (!location) {
+      throw path.buildCodeFrameError(
+        "invariant: `makeSource` cannot return source information for generated paths. This is likely a bug with `@babel/helper-builder-react-jsx-experimental`.",
+      );
+    }
+
     if (!state.fileNameIdentifier) {
       const { filename = "" } = state;