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/**
* @fileoverview Rule to flag references to the undefined variable.
* @author Michael Ficarra
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
return {
"Identifier": function(node) {
if (node.name === "undefined") {
var parent = context.getAncestors().pop();
if (!parent || parent.type !== "MemberExpression" || node !== parent.property || parent.computed) {
context.report(node, "Unexpected use of undefined.");
}
}
}
};
};
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