You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
976 B
43 lines
976 B
2 years ago
|
/**
|
||
|
|
* @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/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" });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
};
|