- From: Ryan Johnson via GitHub <sysbot+gh@w3.org>
 - Date: Wed, 02 Sep 2020 00:59:41 +0000
 - To: public-houdini-archive@w3.org
 
Thoughts on API...
```javascript
async function () {
  /* create a namespace for prefixed selector definitions */
  let ns = await CSS.registerSelectorNamespace('foo') // throws an error if 'foo' namespace has already been committed
  
  /* 
    registers the ":-foo-visible" pseudo-class selector
    callback function determines whether or not the node in question matches the selector
    (similar to Array.prototype.filter)
  */
  ns.registerPseudoClass(':visible', function (node) {
    let meetsCriteria = false
    /* ... */
    return meetsCriteria
  })
  // registers ":-foo-touched"
  ns.registerPseudoClass(':touched', function (node) { /* ... */ })
  // registers ":-foo-changed"
  ns.registerPseudoClass(':changed', function (node) { /* ... */ })
  /* ... */
  /* commit changes to the namespace */
  /* prevents further modification or re-definition of the namespace */
  ns.commit()
}
```
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Received on Wednesday, 2 September 2020 00:59:43 UTC