Trying to identify if in .eleventy.js if there is a way to determine if I want to process a file or not.

I would love it if I can do the following for example -

Frontmatter

---
status: draft
---

# Test

.eleventy.js

module.exports = function(eleventyConfig) {
  eleventyConfig.ignoreFiles(function(file) {
    return (process.env.DRAFT === 'true') ? false : file.data.status === 'draft';
  });
};

NPM Scripts

"scripts": {
  "build": "DRAFT='true' eleventy --input=src --output=dist",
  "dev": "DRAFT='true' eleventy --input=src --output=dist --serve",
  "publish": "eleventy --input=src --output=dist"
}

This would allow the ability to not only setup draft or other conditions for publications, but even future date publications (check timestamp), ignore files to specific output targets - Example - api docs & frontend component docs could share a repo, but have two different build targets? Maybe they end up on different domains.

I tried looking through the code to see if I could add support for this, but I am a little unclear what determine what should render outside of the ignoreFiles which takes a full file path. So you would need to scan all files in a prestep to add it too that list running the function passed into the config.