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| /** | |
| * @fileoverview disallow use of the Buffer() constructor | |
| * @author Teddy Katz | |
| */ | |
| "use strict"; | |
| //------------------------------------------------------------------------------ | |
| // Rule Definition | |
| //------------------------------------------------------------------------------ | |
| module.exports = { | |
| meta: { | |
| type: "problem", | |
| docs: { | |
| description: "disallow use of the `Buffer()` constructor", | |
| category: "Node.js and CommonJS", | |
| recommended: false, | |
| url: "https://eslint.org/docs/rules/no-buffer-constructor" | |
| }, | |
| schema: [], | |
| messages: { | |
| deprecated: "{{expr}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead." | |
| } | |
| }, | |
| create(context) { | |
| //---------------------------------------------------------------------- | |
| // Public | |
| //---------------------------------------------------------------------- | |
| return { | |
| "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"(node) { | |
| context.report({ | |
| node, | |
| messageId: "deprecated", | |
| data: { expr: node.type === "CallExpression" ? "Buffer()" : "new Buffer()" } | |
| }); | |
| } | |
| }; | |
| } | |
| }; |