Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/object.assign/hasSymbols.js b/node_modules/object.assign/hasSymbols.js
new file mode 100644
index 0000000..34841e0
--- /dev/null
+++ b/node_modules/object.assign/hasSymbols.js
@@ -0,0 +1,43 @@
+'use strict';
+
+var keys = require('object-keys');
+
+module.exports = function hasSymbols() {
+ if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
+ if (typeof Symbol.iterator === 'symbol') { return true; }
+
+ var obj = {};
+ var sym = Symbol('test');
+ var symObj = Object(sym);
+ if (typeof sym === 'string') { return false; }
+
+ if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
+ if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
+
+ /*
+ * temp disabled per https://github.com/ljharb/object.assign/issues/17
+ * if (sym instanceof Symbol) { return false; }
+ * temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
+ * if (!(symObj instanceof Symbol)) { return false; }
+ */
+
+ var symVal = 42;
+ obj[sym] = symVal;
+ for (sym in obj) { return false; } // eslint-disable-line no-unreachable-loop
+ if (keys(obj).length !== 0) { return false; }
+ if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
+
+ if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
+
+ var syms = Object.getOwnPropertySymbols(obj);
+ if (syms.length !== 1 || syms[0] !== sym) { return false; }
+
+ if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
+
+ if (typeof Object.getOwnPropertyDescriptor === 'function') {
+ var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
+ if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
+ }
+
+ return true;
+};