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/**
* @fileoverview disallow use of the Buffer() constructor
* @author Teddy Katz
* @deprecated in ESLint v7.0.0
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../types').Rule.RuleModule} */
module.exports = {
meta: {
deprecated: {
message: "Node.js rules were moved out of ESLint core.",
url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules",
deprecatedSince: "7.0.0",
availableUntil: null,
replacedBy: [
{
message:
"eslint-plugin-n now maintains deprecated Node.js-related rules.",
plugin: {
name: "eslint-plugin-n",
url: "https://github.com/eslint-community/eslint-plugin-n",
},
rule: {
name: "no-deprecated-api",
url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-deprecated-api.md",
},
},
],
},
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()",
},
});
},
};
},
};
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