d9b8758f47
PR-URL: https://github.com/nodejs/node/pull/6132 Reviewed-By: Brian White <mscdex@mscdex.net> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: thefourtheye <thechargingvolcano@gmail.com>
34 lines
946 B
JavaScript
34 lines
946 B
JavaScript
/**
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* @fileoverview Rule to disallow a duplicate case label.
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* @author Dieter Oberkofler
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* @author Burak Yigit Kaya
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* @copyright 2015 Dieter Oberkofler. All rights reserved.
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* @copyright 2015 Burak Yigit Kaya. All rights reserved.
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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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"SwitchStatement": function(node) {
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var mapping = {};
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node.cases.forEach(function(switchCase) {
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var key = context.getSource(switchCase.test);
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if (mapping[key]) {
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context.report(switchCase, "Duplicate case label.");
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} else {
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mapping[key] = switchCase;
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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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