es-symbol - npm Package Compare versions

Comparing version 1.0.1 to 1.1.0

dist/symbol.js

 "use strict";
 
-var _defineProperty = function (obj, key, value) { return Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); };
-
 var globalSymbolRegistryList = {};
@@ -24,2 +22,12 @@
 
+var supportsAccessors = undefined;
+try {
+  var x = defProp({}, "y", { get: function () {
+      return 1;
+    } });
+  supportsAccessors = x.y === 1;
+} catch (e) {
+  supportsAccessors = false;
+}
+
 var id = {};
@@ -37,11 +45,14 @@ var uid = function (desc) {
 
-  // Make the symbols hidden to pre-es6 code
-  defProp(Object.prototype, tag, {
-    get: undefined,
-    set: function (value) {
-      defProp(this, tag, defValue(value, { c: true, w: true }));
-    },
-    configurable: true,
-    enumerable: false
-  });
+  /* istanbul ignore else */
+  if (supportsAccessors) {
+    // Make the symbols hidden to pre-es6 code
+    defProp(Object.prototype, tag, {
+      get: undefined,
+      set: function (value) {
+        defProp(this, tag, defValue(value, { c: true, w: true }));
+      },
+      configurable: true,
+      enumerable: false
+    });
+  }
 
@@ -129,19 +140,9 @@ return tag;
 
-defProps(SymbolProto, (function () {
-  var _defProps = {};
+// 19.4.3.5
+/* istanbul ignore else */
+if (supportsAccessors) {
+  defProp(SymbolProto, xSymbol.toStringTag, defValue("Symbol", { c: true }));
+}
 
-  _defineProperty(_defProps, xSymbol.toPrimitive, defValue(function (hint) {
-    return this;
-  }, { c: true }));
-
-  _defineProperty(_defProps, xSymbol.toStringTag, defValue("Symbol", { c: true }));
-
-  return _defProps;
-})());
-
 module.exports = typeof Symbol === "function" ? Symbol : xSymbol;
-// 19.4.3.4 XXX Does not follow spec.
 
-
-// 19.4.3.5
-

package.json

 {
   "name": "es-symbol",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "A spec-compliant as much as it could be, small, and tested ES6 Symbol implementation.",
@@ -5,0 +5,0 @@ "main": "dist/symbol.js",

No alert changes

Improved metrics

Total package byte prevSize

10646

increased by6.84%

Number of package files

7

increased by16.67%

Lines of code

321

increased by16.73%

No dependency changes