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d91e10b3bd
PR-URL: https://github.com/nodejs/io.js/pull/2072 Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com> Reviewed-by: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Alex Kocharin <alex@kocharin.ru>
28 lines
767 B
JavaScript
28 lines
767 B
JavaScript
/**
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* @fileoverview Rule to flag references to the undefined variable.
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* @author Michael Ficarra
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = function(context) {
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return {
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"Identifier": function(node) {
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if (node.name === "undefined") {
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var parent = context.getAncestors().pop();
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if (!parent || parent.type !== "MemberExpression" || node !== parent.property || parent.computed) {
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context.report(node, "Unexpected use of undefined.");
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}
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}
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}
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};
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};
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module.exports.schema = [];
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