canonical/node_modules/eslint/lib/rules/no-delete-var.js

Canonical code style linter and formatter for JavaScript, SCSS and CSS.

/**
 * @fileoverview Rule to flag when deleting variables
 * @author Ilya Volodin
 */

"use strict";

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

module.exports = function(context) {

    return {

        "UnaryExpression": function(node) {
            if (node.operator === "delete" && node.argument.type === "Identifier") {
                context.report(node, "Variables should not be deleted.");
            }
        }
    };

};

module.exports.schema = [];