f44969a5ab
We have been stalled on ESLint 3.8.0 for some time. Current ESLint is 3.13.0. We have been unable to upgrade because of more aggressive reporting on some rules, including indentation. ESLint configuration options and bugfixes are now such that we can reasonably upgrade. PR-URL: https://github.com/nodejs/node/pull/10561 Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
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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*/
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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 = {
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meta: {
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docs: {
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description: "disallow duplicate case labels",
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category: "Possible Errors",
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recommended: true
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},
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schema: []
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},
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create(context) {
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const sourceCode = context.getSourceCode();
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return {
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SwitchStatement(node) {
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const mapping = {};
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node.cases.forEach(switchCase => {
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const key = sourceCode.getText(switchCase.test);
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if (mapping[key]) {
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context.report({ node: switchCase, message: "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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};
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