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8 lines
308 B
8 lines
308 B
2 years ago
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// `SameValue` abstract operation
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// https://tc39.es/ecma262/#sec-samevalue
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// eslint-disable-next-line es-x/no-object-is -- safe
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module.exports = Object.is || function is(x, y) {
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// eslint-disable-next-line no-self-compare -- NaN check
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return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
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};
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