in rules/typecheck-object.js [29:37]
BinaryExpression: function(node) {
if (node.operator === '===' || node.operator === '!==') {
if (utils.isTypeOfStatement(node.left) || utils.isToStringStatement(node.left)) {
recordError(node.right, node);
} else if (utils.isTypeOfStatement(node.right) || utils.isToStringStatement(node.right)) {
recordError(node.left, node);
}
}
}