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| 1 | // `Math.sign` method implementation
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| 2 | // https://tc39.es/ecma262/#sec-math.sign
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| 3 | // eslint-disable-next-line es/no-math-sign -- safe
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| 4 | module.exports = Math.sign || function sign(x) {
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| 5 | // eslint-disable-next-line no-self-compare -- NaN check
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| 6 | return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
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| 7 | };
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