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