Feature request: @no-render to allow pre-compile/introspection about sass HOT 4 CLOSED

@use 'sass:list';

$inspect-compile-state: false;

@mixin compile {
    @no-render {
        $inspect-compile-state: true !global; 
        @content;
        $inspect-compile-state: false !global;
    }
    @content;
};

// list to keep track of what was rendered
$once-list: ();

// list to keep track of what was included
$used-mixin-list: ();


// wrapper to mark a mixin as used
@mixin mark-as-used($token) {
    @if $inspect-compile-state {
        $used-mixin-list: list.append($used-mixin-list, $token) !global;
        @content;
    }
    
    @else if not list.index($once-list, $token) {
        $once-list: list.append($once-list, $token) !global;
        @content;
    } 
    
} 

// wrapper to render mixin if used (at a later point)
@mixin render-if-used($token) {
    @if list.index($used-mixin-list, $token) {
        @content;
    }
}


// base reset
@mixin reset-base {
    // render reset-button here if included later than 
    // the base reset itself  
    @include render-if-used('reset-button') {
        @include reset-button;
    }
    *,*::before,*::after { 
        box-sizing: border-box; margin: 0; 
    }
}

// button reset
@mixin reset-button {
    @include mark-as-used('reset-button') {
        button {
            all: unset;		
        }
    }
}

// assemble 
@include compile {
    // this is where we want reset-button to render
    // to avoid overriding our base reset  
    @include reset-base;
    @include reset-button;	
}

/* #{@content} */   

or 

/* #{meta.inspect(@content)} */    

or 

$content-string: meta.inspect(@​content);