regenerator-runtime - npm Package Compare versions

Comparing version 0.13.6 to 0.13.7

package.json

@@ -5,3 +5,3 @@ {
   "description": "Runtime for Regenerator-compiled generator and async functions.",
-  "version": "0.13.6",
+  "version": "0.13.7",
   "main": "runtime.js",
@@ -8,0 +8,0 @@ "keywords": [

runtime.js

@@ -19,2 +19,20 @@ /**
 
+  function define(obj, key, value) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+    return obj[key];
+  }
+  try {
+    // IE 8 has a broken Object.defineProperty that only works on DOM objects.
+    define({}, "");
+  } catch (err) {
+    define = function(obj, key, value) {
+      return obj[key] = value;
+    };
+  }
+
   function wrap(innerFn, outerFn, self, tryLocsList) {
@@ -86,9 +104,2 @@ // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
 
-  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 =
@@ -98,4 +109,5 @@ Generator.prototype = Object.create(IteratorPrototype);
   GeneratorFunctionPrototype.constructor = GeneratorFunction;
-  GeneratorFunction.displayName = ensureDefaultToStringTag(
+  GeneratorFunction.displayName = define(
     GeneratorFunctionPrototype,
+    toStringTagSymbol,
     "GeneratorFunction"
@@ -108,5 +120,5 @@ );
     ["next", "throw", "return"].forEach(function(method) {
-      prototype[method] = function(arg) {
+      define(prototype, method, function(arg) {
         return this._invoke(method, arg);
-      };
+      });
     });
@@ -130,3 +142,3 @@ }
       genFun.__proto__ = GeneratorFunctionPrototype;
-      ensureDefaultToStringTag(genFun, "GeneratorFunction");
+      define(genFun, toStringTagSymbol, "GeneratorFunction");
     }
@@ -401,3 +413,3 @@ genFun.prototype = Object.create(Gp);
 
-  ensureDefaultToStringTag(Gp, "Generator");
+  define(Gp, toStringTagSymbol, "Generator");
 
@@ -404,0 +416,0 @@ // A Generator should always return itself as the iterator object when the

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Improved metrics

Total package byte prevSize

27153

increased by0.63%

Lines of code

645

increased by1.9%

No dependency changes