schnee effeckt und fehler Korektur

node_modules/is-natural-number/index.jsnext.js

@@ -2,14 +2,28 @@
  * is-natural-number.js | MIT (c) Shinnosuke Watanabe
  * https://github.com/shinnn/is-natural-number.js
 */
-export default (function() {
-  if (Number.isInteger) {
-    return function isNaturalNumber(val, zero) {
-      return val >= (zero ? 0 : 1) && Number.isInteger(val);
-    };
+export default 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 function isNaturalNumber(val, zero) {
-    return val >= (zero ? 0 : 1) && val !== Infinity && Math.floor(val) === val;
-  };
-})();
+  return Number.isSafeInteger(val) && val >= 1;
+}