Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/es-abstract/2019/DeletePropertyOrThrow.js b/node_modules/es-abstract/2019/DeletePropertyOrThrow.js
new file mode 100644
index 0000000..30d5e57
--- /dev/null
+++ b/node_modules/es-abstract/2019/DeletePropertyOrThrow.js
@@ -0,0 +1,27 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var IsPropertyKey = require('./IsPropertyKey');
+var Type = require('./Type');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-deletepropertyorthrow
+
+module.exports = function DeletePropertyOrThrow(O, P) {
+	if (Type(O) !== 'Object') {
+		throw new $TypeError('Assertion failed: Type(O) is not Object');
+	}
+
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
+	}
+
+	// eslint-disable-next-line no-param-reassign
+	var success = delete O[P];
+	if (!success) {
+		throw new $TypeError('Attempt to delete property failed.');
+	}
+	return success;
+};