node/tools/node_modules/eslint/lib/rules/no-void.js
cjihrig d72d43f9bf tools: update ESLint to 5.9.0
Update ESLint to 5.9.0.

PR-URL: https://github.com/nodejs/node/pull/24280
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
2018-11-12 14:14:31 -08:00

41 lines
1.0 KiB
JavaScript

/**
* @fileoverview Rule to disallow use of void operator.
* @author Mike Sidorov
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "disallow `void` operators",
category: "Best Practices",
recommended: false,
url: "https://eslint.org/docs/rules/no-void"
},
schema: []
},
create(context) {
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
UnaryExpression(node) {
if (node.operator === "void") {
context.report({ node, message: "Expected 'undefined' and instead saw 'void'." });
}
}
};
}
};