--- /dev/null
+/**
+ * @fileoverview The rule should warn against code that tries to compare against -0.
+ * @author Aladdin-ADD <hh_2013@foxmail.com>
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+ meta: {
+ type: "problem",
+
+ docs: {
+ description: "disallow comparing against -0",
+ category: "Possible Errors",
+ recommended: true,
+ url: "https://eslint.org/docs/rules/no-compare-neg-zero"
+ },
+
+ fixable: null,
+ schema: [],
+
+ messages: {
+ unexpected: "Do not use the '{{operator}}' operator to compare against -0."
+ }
+ },
+
+ create(context) {
+
+ //--------------------------------------------------------------------------
+ // Helpers
+ //--------------------------------------------------------------------------
+
+ /**
+ * Checks a given node is -0
+ * @param {ASTNode} node A node to check.
+ * @returns {boolean} `true` if the node is -0.
+ */
+ function isNegZero(node) {
+ return node.type === "UnaryExpression" && node.operator === "-" && node.argument.type === "Literal" && node.argument.value === 0;
+ }
+ const OPERATORS_TO_CHECK = new Set([">", ">=", "<", "<=", "==", "===", "!=", "!=="]);
+
+ return {
+ BinaryExpression(node) {
+ if (OPERATORS_TO_CHECK.has(node.operator)) {
+ if (isNegZero(node.left) || isNegZero(node.right)) {
+ context.report({
+ node,
+ messageId: "unexpected",
+ data: { operator: node.operator }
+ });
+ }
+ }
+ }
+ };
+ }
+};