build: explicitly transpile to CommonJS

jrolfs · jrolfs · commit 0bfe296165ca · 2021-06-11T17:45:31.000-07:00
diff --git a/.babelrc.json b/.babelrc.json
@@ -3,9 +3,8 @@
     [
       "@babel/preset-env",
       {
-        "targets": {
-          "node": "12"
-        }
+        "targets": {"node": "12"},
+        "modules": "commonjs"
       }
     ]
   ]
