no-new-func.js
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/**
* @fileoverview Rule to flag when using new Function
* @author Ilya Volodin
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "disallow `new` operators with the `Function` object",
category: "Best Practices",
recommended: false
},
schema: []
},
create(context) {
//--------------------------------------------------------------------------
// Helpers
//--------------------------------------------------------------------------
/**
* Checks if the callee is the Function constructor, and if so, reports an issue.
* @param {ASTNode} node The node to check and report on
* @returns {void}
* @private
*/
function validateCallee(node) {
if (node.callee.name === "Function") {
context.report({ node, message: "The Function constructor is eval." });
}
}
return {
NewExpression: validateCallee,
CallExpression: validateCallee
};
}
};