/**
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* @fileoverview Disallow string concatenation when using __dirname and __filename
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* @author Nicholas C. Zakas
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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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deprecated: true,
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replacedBy: [],
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type: "suggestion",
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docs: {
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description: "disallow string concatenation with `__dirname` and `__filename`",
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category: "Node.js and CommonJS",
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recommended: false,
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url: "https://eslint.org/docs/rules/no-path-concat"
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},
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schema: [],
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messages: {
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usePathFunctions: "Use path.join() or path.resolve() instead of + to create paths."
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}
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},
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create(context) {
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const MATCHER = /^__(?:dir|file)name$/u;
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//--------------------------------------------------------------------------
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// Public
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//--------------------------------------------------------------------------
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return {
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BinaryExpression(node) {
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const left = node.left,
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right = node.right;
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if (node.operator === "+" &&
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((left.type === "Identifier" && MATCHER.test(left.name)) ||
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(right.type === "Identifier" && MATCHER.test(right.name)))
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) {
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context.report({
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node,
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messageId: "usePathFunctions"
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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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