Galerie und tage

node_modules/is-natural-number/index.js

@@ -2,30 +2,16 @@
  * is-natural-number.js | MIT (c) Shinnosuke Watanabe
  * https://github.com/shinnn/is-natural-number.js
 */
-'use strict';
+module.exports = (function() {
+  '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;
-      }
-    }
+  if (Number.isInteger) {
+    return function isNaturalNumber(val, zero) {
+      return val >= (zero ? 0 : 1) && Number.isInteger(val);
+    };
   }
 
-  return Number.isSafeInteger(val) && val >= 1;
-};
+  return function isNaturalNumber(val, zero) {
+    return val >= (zero ? 0 : 1) && val !== Infinity && Math.floor(val) === val;
+  };
+})();