claude-flow/src/ui/extension/node_modules/eslint/lib/rules/no-delete-var.js

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