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1/**
2 * @fileoverview Rule to flag use of arguments.callee and arguments.caller.
3 * @author Nicholas C. Zakas
4 */
5
6"use strict";
7
8//------------------------------------------------------------------------------
9// Rule Definition
10//------------------------------------------------------------------------------
11
12module.exports = {
13 meta: {
14 type: "suggestion",
15
16 docs: {
17 description: "disallow the use of `arguments.caller` or `arguments.callee`",
18 category: "Best Practices",
19 recommended: false,
20 url: "https://eslint.org/docs/rules/no-caller"
21 },
22
23 schema: [],
24
25 messages: {
26 unexpected: "Avoid arguments.{{prop}}."
27 }
28 },
29
30 create(context) {
31
32 return {
33
34 MemberExpression(node) {
35 const objectName = node.object.name,
36 propertyName = node.property.name;
37
38 if (objectName === "arguments" && !node.computed && propertyName && propertyName.match(/^calle[er]$/u)) {
39 context.report({ node, messageId: "unexpected", data: { prop: propertyName } });
40 }
41
42 }
43 };
44
45 }
46};