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