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@use "sass:meta"
@use "sass:list"
@function font-append($base, $ext, $font-sep)
$base-pre : ()
$base-pos : ()
$iFontSep : index($base, $font-sep)
@if not $iFontSep // didn't find the font separator, return
@debug "⚠ Failed to find '#{$font-sep}' in the list of '#{$base}'"
@return $base
@for $i from 1 through list.length($base)
$iEl: list.nth($base, $i)
@if $i <= $iFontSep
$base-pre: list.append($base-pre, $iEl, $separator:comma)
@else
$base-pos: list.append($base-pos, $iEl, $separator:comma)
@return list.join(list.join($base-pre, $ext), $base-pos)
@function font-prepend($base, $ext)
$ext-type : meta.type-of($ext)
@if not ($ext-type == 'string') and not ($ext-type == 'list')
@debug "⚠ Expected a string or a list, but got '#{$ext-type}' in '#{$ext}'"
@return $base
@else
@return list.join($ext,$base)
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