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is-separator-invalid ()

Indicates whether a specified value is invalid for a separator parameter.

Parameters​

$value
The value which is being validated.
Type
*

Return Value​

Boolean
true if the value is a valid; otherwise, false.

Example​

@sass-fairy/list/src/_set-nth.sass
// Copyright (c) roydukkey. All rights reserved.
// Licensed under the MIT. See LICENSE file in the project root for full license information.

@use 'sass:list'
@use 'sass:meta'
@use '@sass-fairy/exception'


@function set-nth($list, $index, $value, $separator: auto)
  $index: exception.validate-index('set-nth', 'index', $index, $list)

  @if meta.type-of($index) != 'number'
    @error $index

  @if exception.is-separator-invalid($separator)
    @error exception.separator('set-nth')

  @return list.join(list.set-nth($list, $index, $value), (), $separator)