Sha256: 124c4181ffdc60b75a94d9838fc948374bdfaabb89ba80591ff99169b08a9ed1
Contents?: true
Size: 890 Bytes
Versions: 45
Compression:
Stored size: 890 Bytes
Contents
/**
* @fileoverview Rule to flag comparisons to the value NaN
* @author James Allardice
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "require calls to `isNaN()` when checking for `NaN`",
category: "Possible Errors",
recommended: true
},
schema: []
},
create: function(context) {
return {
BinaryExpression: function(node) {
if (/^(?:[<>]|[!=]=)=?$/.test(node.operator) && (node.left.name === "NaN" || node.right.name === "NaN")) {
context.report(node, "Use the isNaN function to compare with NaN.");
}
}
};
}
};
Version data entries
45 entries across 45 versions & 2 rubygems