Should fix babel#576

People were calling `"foo".toString() or ["foo", "bar"].toString()`, which returned the real JS string `"[object Object]"`, the stringified version of the replacements object.
j-f1 · Jun 16, 2017 · d8c30c2 · d8c30c2
1 parent ba29bc5
commit d8c30c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/babel-plugin-minify-constant-folding/src/index.js b/packages/babel-plugin-minify-constant-folding/src/index.js
@@ -22,7 +22,7 @@ function swap(path, member, handlers, ...args) {
   const key = getName(member);
   if (key === undefined) return;
   let handler = handlers[key];
-  if (typeof handler !== "function") {
+  if (typeof handler !== "function" || !Object.hasOwnProperty.call(handlers, key)) {
     if (typeof handlers[FALLBACK_HANDLER] === "function") {
       handler = handlers[FALLBACK_HANDLER].bind(member.object, key);
     } else {