/** * @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 }, schema: [] }, create(context) { //---------------------------------------------------------------------- // Public //---------------------------------------------------------------------- return { "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"(node) { context.report({ node, message: "{{example}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead.", data: { example: node.type === "CallExpression" ? "Buffer()" : "new Buffer()" } }); } }; } };