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| /** | |
| * @fileoverview Rule to flag use of arguments.callee and arguments.caller. | |
| * @author Nicholas C. Zakas | |
| */ | |
| "use strict"; | |
| //------------------------------------------------------------------------------ | |
| // Rule Definition | |
| //------------------------------------------------------------------------------ | |
| module.exports = { | |
| meta: { | |
| type: "suggestion", | |
| docs: { | |
| description: "disallow the use of `arguments.caller` or `arguments.callee`", | |
| category: "Best Practices", | |
| recommended: false, | |
| url: "https://eslint.org/docs/rules/no-caller" | |
| }, | |
| schema: [], | |
| messages: { | |
| unexpected: "Avoid arguments.{{prop}}." | |
| } | |
| }, | |
| create(context) { | |
| return { | |
| MemberExpression(node) { | |
| const objectName = node.object.name, | |
| propertyName = node.property.name; | |
| if (objectName === "arguments" && !node.computed && propertyName && propertyName.match(/^calle[er]$/u)) { | |
| context.report({ node, messageId: "unexpected", data: { prop: propertyName } }); | |
| } | |
| } | |
| }; | |
| } | |
| }; |