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frontend/node_modules/core-js-pure/modules/es.number.is-safe-integer.js

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+'use strict';
+var $ = require('../internals/export');
+var isIntegralNumber = require('../internals/is-integral-number');
+
+var abs = Math.abs;
+
+// `Number.isSafeInteger` method
+// https://tc39.es/ecma262/#sec-number.issafeinteger
+$({ target: 'Number', stat: true }, {
+  isSafeInteger: function isSafeInteger(number) {
+    return isIntegralNumber(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
+  }
+});