node/tools/node_modules/eslint/lib/rules/no-buffer-constructor.js
Rich Trott 0863a0e528 tools: update ESLint to 4.19.1
A few bug fixes result in more stringent linting rules.

PR-URL: https://github.com/nodejs/node/pull/19528
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2018-03-24 04:11:48 -07:00

42 lines
1.3 KiB
JavaScript

/**
* @fileoverview disallow use of the Buffer() constructor
* @author Teddy Katz
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
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()" }
});
}
};
}
};