regenerator-runtime - npm Package Compare versions

Comparing version 0.13.5 to 0.13.6

package.json

@@ -5,3 +5,3 @@ {
   "description": "Runtime for Regenerator-compiled generator and async functions.",
-  "version": "0.13.5",
+  "version": "0.13.6",
   "main": "runtime.js",
@@ -8,0 +8,0 @@ "keywords": [

runtime.js

@@ -85,2 +85,9 @@ /**
 
+  function ensureDefaultToStringTag(object, defaultValue) {
+    // https://bugzilla.mozilla.org/show_bug.cgi?id=1644581#c6
+    return toStringTagSymbol in object
+      ? object[toStringTagSymbol]
+      : object[toStringTagSymbol] = defaultValue;
+  }
+
   var Gp = GeneratorFunctionPrototype.prototype =
@@ -90,4 +97,6 @@ Generator.prototype = Object.create(IteratorPrototype);
   GeneratorFunctionPrototype.constructor = GeneratorFunction;
-  GeneratorFunctionPrototype[toStringTagSymbol] =
-    GeneratorFunction.displayName = "GeneratorFunction";
+  GeneratorFunction.displayName = ensureDefaultToStringTag(
+    GeneratorFunctionPrototype,
+    "GeneratorFunction"
+  );
 
@@ -119,5 +128,3 @@ // Helper for defining the .next, .throw, and .return methods of the
       genFun.__proto__ = GeneratorFunctionPrototype;
-      if (!(toStringTagSymbol in genFun)) {
-        genFun[toStringTagSymbol] = "GeneratorFunction";
-      }
+      ensureDefaultToStringTag(genFun, "GeneratorFunction");
     }
@@ -392,3 +399,3 @@ genFun.prototype = Object.create(Gp);
 
-  Gp[toStringTagSymbol] = "Generator";
+  ensureDefaultToStringTag(Gp, "Generator");
 
@@ -395,0 +402,0 @@ // A Generator should always return itself as the iterator object when the

No alert changes

Improved metrics

Total package byte prevSize

26982

increased by0.83%

Lines of code

633

increased by0.96%

No dependency changes