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codeql-action/node_modules/eslint/lib/rules/default-param-last.js
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/** | |
* @fileoverview enforce default parameters to be last | |
* @author Chiawen Chen | |
*/ | |
"use strict"; | |
/** @type {import('../shared/types').Rule} */ | |
module.exports = { | |
meta: { | |
type: "suggestion", | |
docs: { | |
description: "Enforce default parameters to be last", | |
recommended: false, | |
url: "https://eslint.org/docs/latest/rules/default-param-last" | |
}, | |
schema: [], | |
messages: { | |
shouldBeLast: "Default parameters should be last." | |
} | |
}, | |
create(context) { | |
/** | |
* Handler for function contexts. | |
* @param {ASTNode} node function node | |
* @returns {void} | |
*/ | |
function handleFunction(node) { | |
let hasSeenPlainParam = false; | |
for (let i = node.params.length - 1; i >= 0; i -= 1) { | |
const param = node.params[i]; | |
if ( | |
param.type !== "AssignmentPattern" && | |
param.type !== "RestElement" | |
) { | |
hasSeenPlainParam = true; | |
continue; | |
} | |
if (hasSeenPlainParam && param.type === "AssignmentPattern") { | |
context.report({ | |
node: param, | |
messageId: "shouldBeLast" | |
}); | |
} | |
} | |
} | |
return { | |
FunctionDeclaration: handleFunction, | |
FunctionExpression: handleFunction, | |
ArrowFunctionExpression: handleFunction | |
}; | |
} | |
}; |