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7 lines
248 B
JavaScript
7 lines
248 B
JavaScript
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// `SameValue` abstract operation
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// https://tc39.github.io/ecma262/#sec-samevalue
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module.exports = Object.is || function is(x, y) {
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// eslint-disable-next-line no-self-compare
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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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