Correctly update module.exports.default of typeof helper (#12858)

2021-02-23 02:59:03 +01:00
parent feb78c7735
commit c4320a6019
13 changed files with 106 additions and 20 deletions
--- a/packages/babel-plugin-transform-runtime/scripts/build-dist.js
+++ b/packages/babel-plugin-transform-runtime/scripts/build-dist.js
@@ -287,15 +287,14 @@ function buildRuntimeRewritePlugin(runtimeName, helperName) {
 function addDefaultCJSExport({ template }) {
  return {
    visitor: {
-      Program: {
+      AssignmentExpression: {
        exit(path) {
-          path.pushContainer(
-            "body",
-            template.statements.ast`
-              module.exports.default = module.exports;
-              module.exports.__esModule = true;
-            `
-          );
+          if (path.get("left").matchesPattern("module.exports")) {
+            path.insertAfter(template.expression.ast`
+              module.exports.default = module.exports,
+              module.exports.__esModule = true
+            `);
+          }
        },
      },
    },