Use the imports helper in transform-runtime.

packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/interop/imports-hoisting/expected.js

@@ -1,9 +1,5 @@
-"use strict";
+var _taggedTemplateLiteral = require("babel-runtime/helpers/taggedTemplateLiteral").default;
 
-var _taggedTemplateLiteral2 = _interopRequireDefault(require("babel-runtime/helpers/taggedTemplateLiteral"));
-
-var _templateObject = (0, _taggedTemplateLiteral2.default)(["foo"], ["foo"]);
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+var _templateObject = _taggedTemplateLiteral(["foo"], ["foo"]);
 
 tag(_templateObject);

packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/interop/multi-load/actual.js

@@ -0,0 +1,3 @@
+export {};
+
+console.log(helper);

packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/interop/multi-load/expected.js

@@ -0,0 +1,7 @@
+"use strict";
+
+var _interopRequireDefault3 = require("babel-runtime/helpers/interopRequireDefault").default;
+
+var _interopRequireDefault2 = _interopRequireDefault3(require("babel-runtime/helpers/interopRequireDefault"));
+
+console.log(_interopRequireDefault2.default);

packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/interop/multi-load/options.json

@@ -0,0 +1,7 @@
+{
+  "plugins": [
+    "transform-es2015-modules-commonjs",
+    "transform-runtime",
+    "./plugin"
+  ]
+}

packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/interop/multi-load/plugin.js

@@ -0,0 +1,11 @@
+module.exports = function() {
+  return {
+    visitor: {
+      Identifier: function(path) {
+        if (path.node.name !== "helper") return;
+
+        path.replaceWith(this.addHelper("interopRequireDefault"));
+      },
+    },
+  };
+};