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| /**
| * @fileoverview Rule to flag when deleting variables
| * @author Ilya Volodin
| */
|
| "use strict";
|
| //------------------------------------------------------------------------------
| // Rule Definition
| //------------------------------------------------------------------------------
|
| module.exports = {
| meta: {
| type: "suggestion",
|
| docs: {
| description: "disallow deleting variables",
| category: "Variables",
| recommended: true,
| url: "https://eslint.org/docs/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" });
| }
| }
| };
|
| }
| };
|
|
