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Cursor Global Rules

Core Principles

• Split long files into smaller, focused modules (aim for <300 lines per file)
• Refactor lengthy functions into smaller, single-purpose functions (aim for <40 lines per function)
• Always analyze code changes for scalability, maintainability, and performance impact
• Follow SOLID principles and design patterns appropriate to the codebase
• Prioritize readability and testability over clever optimizations

Code Analysis

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var Cashinator3000 = (priceList, startingAmount = 0, salesTax = 0.0725) => {
  this.priceListCSV = priceList;
  this.startingAmount = startingAmount;
  this.salesTax = salesTax;
  this.transactions = [];
  this.transactionId = 0;
};

Cashinator3000.prototype.currentBalance = () => {
  return this.startingAmount;

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//Testing the last 1 million records to effectively assess the caching
//Best RPM = 53.2k
//Redis strategy = --maxmemory 512mb --maxmemory-policy allkeys-lru

const siege = require("siege");
const randomNumbers = [];
const random = (min, max) => Math.floor(Math.random() * max) + min;
const arrSize = 150000;

for (let i = 0; i < arrSize; i += 1) {

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//input = array of individual chars.
//ouput = same array with double the amount of vowels.

const doubleVowels = array => {
  for (let index = array.length - 1; index >= 0; index--) {
    if (checkForWowels(array[index])) {
      array.splice(index, 0, array[index]);
      index--;
    }
  }

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/**
 * Definition for a binary tree node.
 * function TreeNode(val) {
 *     this.val = val;
 *     this.left = this.right = null;
 * }
 */
/**
 * @param {TreeNode} root
 * @param {number} k

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  //Reacting start API Call
  componentDidMount () {
    let path = window.location.pathname;
    path = path.split('/')[2];
    const self = this;
    axios.get(`/api/restaurant/${path}`)
      .then((response) => {
        self.setState({
          data: response.data,
          loaded: true,

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// Problem case with floating-point arithmetic: 0.10 + 0.20 !== 0.30
// But for us, should be: 0.10 + 0.20 === 0.30

function CashAmount (amount) {
  this.amount = amount;
};

CashAmount.prototype.totalInPennies = function() {
  const result = this.amount * 100;
  return result;

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const findLargestLevel = function(n) {

  //first create a holder var
  const allNodes = [];
    // define our recursive foo (node, depth)
    function checkNodes (node, depth) {
     // first add the value of the node to its current depth (in the array)
      if (!allNodes[depth]) {
        allNodes[depth] = 0;
      }