no-buffer-constructor.js•1.43 kB
/**
* @fileoverview disallow use of the Buffer() constructor
* @author Teddy Katz
* @deprecated in ESLint v7.0.0
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../shared/types').Rule} */
module.exports = {
meta: {
deprecated: true,
replacedBy: [],
type: "problem",
docs: {
description: "Disallow use of the `Buffer()` constructor",
recommended: false,
url: "https://eslint.org/docs/latest/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()" }
});
}
};
}
};