| /** |
| * @fileoverview Rule to flag when deleting variables |
| * @author Ilya Volodin |
| */ |
| |
| "use strict"; |
| |
| //------------------------------------------------------------------------------ |
| // Rule Definition |
| //------------------------------------------------------------------------------ |
| |
| module.exports = { |
| meta: { |
| docs: { |
| description: "disallow deleting variables", |
| category: "Variables", |
| recommended: true, |
| url: "https://eslint.org/docs/rules/no-delete-var" |
| }, |
| |
| schema: [] |
| }, |
| |
| create(context) { |
| |
| return { |
| |
| UnaryExpression(node) { |
| if (node.operator === "delete" && node.argument.type === "Identifier") { |
| context.report({ node, message: "Variables should not be deleted." }); |
| } |
| } |
| }; |
| |
| } |
| }; |