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