parseIncludes ignores sparse field set on included data

[Albin N]

I'm trying to figure out how to specify which fields to select when including a resource. But I can't get it to work. I've been looking through the Manager-class and I found this:

fractal/src/Manager.php

Lines 194 to 214 in a38f0b7

 // Matches multiple instances of 'something(foo|bar|baz)' in the string 
 // I guess it ignores : so you could use anything, but probably don't do that 
 preg_match_all('/([\w]+)(\(([^\)]+)\))?/', $allModifiersStr, $allModifiersArr); 
  
 // [0] is full matched strings... 
 $modifierCount = count($allModifiersArr[0]); 
  
 $modifierArr = []; 
  
 for ($modifierIt = 0; $modifierIt < $modifierCount; $modifierIt++) { 
     // [1] is the modifier 
     $modifierName = $allModifiersArr[1][$modifierIt]; 
  
     // and [3] is delimited params 
     $modifierParamStr = $allModifiersArr[3][$modifierIt]; 
  
     // Make modifier array key with an array of params as the value 
     $modifierArr[$modifierName] = explode($this->paramDelimiter, $modifierParamStr); 
 } 
  
 $this->includeParams[$includeName] = $modifierArr; 

Request I'm sending

GET /api-endpoint/producers?include=owner(id|name)

I've also tried the below formats

GET /api-endpoint/producers?include=owner:fields(id|name)

GET /api-endpoint/producers?include=owner:field(id|name)

I found that syntax from another issue: #386

How is it supposed to work?

[stale]

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