The rule should warn against code that tries to compare against -0, since that will not work as intended. That is, code like x === -0 will pass for both +0 and -0. The author probably intended Object.is(x, -0).
http://eslint.org/docs/rules/no-compare-neg-zero
The rule should warn against code that tries to compare against
-0, since that will not work as intended. That is, code likex === -0will pass for both+0and-0. The author probably intendedObject.is(x, -0).http://eslint.org/docs/rules/no-compare-neg-zero