How to configure docusaurus config keys conditionally?

Question

If a user needs to configure an optional docusaurus config key based on some condition, what is the best way to address it in docusaurus.config.js file? For example:

module.exports = {
  /* If condition is true then */
  showLastUpdateAuthor: true,
  /* otherwise set it to false */
  //Other config key value...

}

Here is what I tried and it worked. Is there a better way to handle this? Insights via Spread Syntax discussed here.

const branch = require('child_process')
  .execSync('git branch --show-current')
  .toString().trim();

module.exports = {
    ...(branch != 'main') ? {showLastUpdateAuthor: true,}:{showLastUpdateAuthor: false,},
    //Other config key value...
}

Answer 1

It worked. Any other better way?

const branch = require('child_process')
  .execSync('git branch --show-current')
  .toString().trim();

module.exports = {
    ...(branch != 'main') ? {showLastUpdateAuthor: true,}:{showLastUpdateAuthor: false,},
    //Other config key value...
}