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| 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var isIntegralNumber = require('../internals/is-integral-number');
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| 4 |
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| 5 | var abs = Math.abs;
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| 6 |
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| 7 | // `Number.isSafeInteger` method
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| 8 | // https://tc39.es/ecma262/#sec-number.issafeinteger
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| 9 | $({ target: 'Number', stat: true }, {
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| 10 | isSafeInteger: function isSafeInteger(number) {
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| 11 | return isIntegralNumber(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
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| 12 | }
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| 13 | });
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