{
  "context": "This criteria evaluates how well the engineer uses @babel/register and related Babel packages to set up on-the-fly compilation in Node.js, including proper configuration, source map support, and file filtering.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "@babel/register usage",
      "description": "Uses the require('@babel/register') or register() function to set up the on-the-fly compilation hooks",
      "max_score": 25
    },
    {
      "name": "Preset configuration",
      "description": "Configures @babel/preset-env in the register options (either inline or via .babelrc) to enable modern JavaScript transformation",
      "max_score": 20
    },
    {
      "name": "File filtering",
      "description": "Uses the 'ignore' or 'only' option to configure which files should be compiled (e.g., only: [/src/, /lib/], ignore: [/node_modules/])",
      "max_score": 20
    },
    {
      "name": "Source map support",
      "description": "Enables source map support either through @babel/register's sourceMaps option or by requiring 'source-map-support/register'",
      "max_score": 20
    },
    {
      "name": "Proper hook timing",
      "description": "Ensures the compilation hooks are registered before requiring/importing modules that need compilation",
      "max_score": 15
    }
  ]
}