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4 |
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5 | "use strict";
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6 |
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7 |
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8 |
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9 |
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10 |
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11 | module.exports = {
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12 | meta: {
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13 | deprecated: true,
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14 |
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15 | replacedBy: [],
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16 |
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17 | type: "problem",
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18 |
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19 | docs: {
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20 | description: "disallow use of the `Buffer()` constructor",
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21 | category: "Node.js and CommonJS",
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22 | recommended: false,
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23 | url: "https://eslint.org/docs/rules/no-buffer-constructor"
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24 | },
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25 |
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26 | schema: [],
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27 |
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28 | messages: {
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29 | deprecated: "{{expr}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead."
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30 | }
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31 | },
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32 |
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33 | create(context) {
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34 |
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35 |
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36 |
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37 |
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38 |
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39 | return {
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40 | "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"(node) {
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41 | context.report({
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42 | node,
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43 | messageId: "deprecated",
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44 | data: { expr: node.type === "CallExpression" ? "Buffer()" : "new Buffer()" }
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45 | });
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46 | }
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47 | };
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48 | }
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49 | };
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