OwlCyberSecurity - MANAGER

Edit File: no-sparse-arrays.js

/**
 * @fileoverview Disallow sparse arrays
 * @author Nicholas C. Zakas
 */
"use strict";

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

/** @type {import('../shared/types').Rule} */
module.exports = {
    meta: {
        type: "problem",

docs: {
            description: "Disallow sparse arrays",
            recommended: true,
            url: "https://eslint.org/docs/latest/rules/no-sparse-arrays"
        },

schema: [],

messages: {
            unexpectedSparseArray: "Unexpected comma in middle of array."
        }
    },

create(context) {

//--------------------------------------------------------------------------
        // Public
        //--------------------------------------------------------------------------

return {

ArrayExpression(node) {

const emptySpot = node.elements.includes(null);

if (emptySpot) {
                    context.report({ node, messageId: "unexpectedSparseArray" });
                }
            }

};

}
};