agenda/node_modules/eslint/lib/rules/no-duplicate-case.js
Edward Betts ea4980a5d7 Fix European trip return heuristic for weekend location tracking
Adjust European short trip heuristic from >3 days to >1 day to correctly
detect when user has returned home from European trips. This fixes the
April 29-30, 2023 case where the location incorrectly showed "Sankt Georg, Hamburg"
instead of "Bristol" when the user was free (no events scheduled) after
the foss-north trip ended on April 27.

The previous logic required more than 3 days to pass before assuming
return home from European countries, but for short European trips by
rail/ferry, users typically return within 1-2 days.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-07-16 06:38:37 +02:00

72 lines
2 KiB
JavaScript

/**
* @fileoverview Rule to disallow a duplicate case label.
* @author Dieter Oberkofler
* @author Burak Yigit Kaya
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const astUtils = require("./utils/ast-utils");
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../shared/types').Rule} */
module.exports = {
meta: {
type: "problem",
docs: {
description: "Disallow duplicate case labels",
recommended: true,
url: "https://eslint.org/docs/latest/rules/no-duplicate-case"
},
schema: [],
messages: {
unexpected: "Duplicate case label."
}
},
create(context) {
const sourceCode = context.sourceCode;
/**
* Determines whether the two given nodes are considered to be equal.
* @param {ASTNode} a First node.
* @param {ASTNode} b Second node.
* @returns {boolean} `true` if the nodes are considered to be equal.
*/
function equal(a, b) {
if (a.type !== b.type) {
return false;
}
return astUtils.equalTokens(a, b, sourceCode);
}
return {
SwitchStatement(node) {
const previousTests = [];
for (const switchCase of node.cases) {
if (switchCase.test) {
const test = switchCase.test;
if (previousTests.some(previousTest => equal(previousTest, test))) {
context.report({ node: switchCase, messageId: "unexpected" });
} else {
previousTests.push(test);
}
}
}
}
};
}
};