Utilizing ECMAScript 2024 Features for Modern JavaScript Development

{
  "title": "Utilizing ECMAScript 2024 Features for Modern JavaScript Development",
  "description": "Enforce the use of ECMAScript 2024 features such as Object.groupBy, Promise.withResolvers, and the /v flag in regular expressions to enhance JavaScript code.",
  "category": "JavaScript Cursor Rules",
  "rules": [
    {
      "name": "prefer-object-groupby",
      "description": "Encourage the use of Object.groupBy for grouping array elements based on a callback function.",
      "applyTo": "src/**/*.js",
      "pattern": "Array.prototype.reduce\\(.*\\{.*\\[.*\\].*\\}.*\\)",
      "replacement": "Object.groupBy($1, $2)",
      "message": "Consider using Object.groupBy for more concise and readable grouping of array elements."
    },
    {
      "name": "prefer-promise-withresolvers",
      "description": "Encourage the use of Promise.withResolvers for creating promises with exposed resolve and reject functions.",
      "applyTo": "src/**/*.js",
      "pattern": "new Promise\\(function\\(resolve, reject\\) \\{.*\\}\\)",
      "replacement": "Promise.withResolvers()",
      "message": "Consider using Promise.withResolvers for a cleaner and more straightforward promise creation."
    },
    {
      "name": "prefer-regexp-v-flag",
      "description": "Encourage the use of the /v flag in regular expressions for advanced Unicode set operations.",
      "applyTo": "src/**/*.js",
      "pattern": "/.*?/u",
      "replacement": "/$1/v",
      "message": "Consider using the /v flag in regular expressions to leverage advanced Unicode set operations."
    }
  ]
}