| /** |
| * @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 } }); |
| } |
| |
| } |
| }; |
| |
| } |
| }; |