Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/is-natural-number/index.js b/node_modules/is-natural-number/index.js
new file mode 100644
index 0000000..6b1b3f2
--- /dev/null
+++ b/node_modules/is-natural-number/index.js
@@ -0,0 +1,31 @@
+/*!
+ * is-natural-number.js | MIT (c) Shinnosuke Watanabe
+ * https://github.com/shinnn/is-natural-number.js
+*/
+'use strict';
+
+module.exports = function isNaturalNumber(val, option) {
+ if (option) {
+ if (typeof option !== 'object') {
+ throw new TypeError(
+ String(option) +
+ ' is not an object. Expected an object that has boolean `includeZero` property.'
+ );
+ }
+
+ if ('includeZero' in option) {
+ if (typeof option.includeZero !== 'boolean') {
+ throw new TypeError(
+ String(option.includeZero) +
+ ' is neither true nor false. `includeZero` option must be a Boolean value.'
+ );
+ }
+
+ if (option.includeZero && val === 0) {
+ return true;
+ }
+ }
+ }
+
+ return Number.isSafeInteger(val) && val >= 1;
+};