solium-plugin-security/rules/no-named-returns.js

Official Solium Plugin for Security-related lint rules

/**
 * @fileoverview Discourage use of named returns in functions
 * @author Nicolas Feignon <nfeignon@gmail.com>
 */

"use strict";

module.exports = {

    meta: {

        docs: {
            recommended: false,
            type: "off",
            description: "Discourage use of named returns in functions"
        },

        schema: []

    },

    create: function(context) {

        function inspectFunctionDeclaration(emitted) {
            let node = emitted.node;
            if (emitted.exit || !node.returnParams) { return; }

            for (let param of node.returnParams.params) {
                if (!param.id) { continue; }

                const message = node.name ?
                    `Avoid using named returns in function ${node.name}` : "Avoid using named returns in fallback function";

                context.report({ node, message });
            }
        }

        return {
            FunctionDeclaration: inspectFunctionDeclaration
        };

    }

};