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/**
* @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
},
schema: []
},
create(context) {
return {
UnaryExpression(node) {
if (node.operator === "delete" && node.argument.type === "Identifier") {
context.report(node, "Variables should not be deleted.");
}
}
};
}
};