can-reflect - npm Package Compare versions

Comparing version 1.17.7 to 1.17.8

package.json

 {
   "name": "can-reflect",
-  "version": "1.17.7",
+  "version": "1.17.8",
   "description": "reflection on unknown data types",
@@ -37,3 +37,3 @@ "homepage": "http://canjs.com",
     "can-namespace": "^1.0.0",
-    "can-symbol": "^1.3.0"
+    "can-symbol": "^1.6.4"
   },
@@ -40,0 +40,0 @@ "devDependencies": {

reflections/type/type-test.js

@@ -6,2 +6,3 @@ var QUnit = require('steal-qunit');
 var testHelpers = require('../../can-reflect-test_helpers');
+var clone = require('steal-clone');
 
@@ -151,2 +152,30 @@ QUnit.module('can-reflect: type reflections');
 
+QUnit.test("isSymbolLike with polyfill", function(assert) {
+	var done = assert.async();
+	var origSymbol = window.Symbol;
+	function FakeSymbol(key) {
+		return { key: key };
+	}
+	FakeSymbol.for = function() {};
+	window.Symbol = FakeSymbol;
+
+	var loader = clone({});
+
+	loader.import("can-symbol")
+		.then(function(canSymbol) {
+			loader.import("./type")
+				.then(function(typeReflections) {
+					if(typeof Symbol !== "undefined") {
+						ok(!typeReflections.isSymbolLike(Symbol("a polyfilled symbol")), "polyfilled Symbol not symbol-like");
+					}
+
+					ok(typeReflections.isSymbolLike(canSymbol("a polyfilled canSymbol")), "canSymbol Symbol");
+
+					// clean up
+					window.Symbol = origSymbol;
+					done();
+				});
+		});
+});
+
 QUnit.test("isPromise", function() {
@@ -153,0 +182,0 @@ QUnit.ok(!typeReflections.isPromise({}), "Object is not a promise");

reflections/type/type.js

@@ -400,5 +400,15 @@ "use strict";
 
-var supportsSymbols = typeof Symbol !== "undefined" && typeof Symbol.for === "function";
+var supportsNativeSymbols = (function() {
+	var symbolExists = typeof Symbol !== "undefined" && typeof Symbol.for === "function";
+
+	if (!symbolExists) {
+		return false;
+	}
+
+	var symbol = Symbol("a symbol for testing symbols");
+	return typeof symbol === "symbol";
+}());
+
 var isSymbolLike;
-if(supportsSymbols) {
+if(supportsNativeSymbols) {
 	isSymbolLike = function(symbol) {
@@ -405,0 +415,0 @@ return typeof symbol === "symbol";

New alerts

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

180927

0.53%

Lines of code

4923

0.63%

Dependency changes

• Updated

  can-symbol@^1.6.4