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/*!
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
import { InvalidFilenameError, InvalidFilenameErrorReason, validateFilename } from '@nextcloud/files'
import { t } from '@nextcloud/l10n'
/**
* Get the validity of a filename (empty if valid).
* This can be used for `setCustomValidity` on input elements
* @param name The filename
* @param escape Escape the matched string in the error (only set when used in HTML)
*/
export function getFilenameValidity(name: string, escape = false): string {
if (name.trim() === '') {
return t('files', 'Filename must not be empty.')
}
try {
validateFilename(name)
return ''
} catch (error) {
if (!(error instanceof InvalidFilenameError)) {
throw error
}
switch (error.reason) {
case InvalidFilenameErrorReason.Character:
return t('files', '"{char}" is not allowed inside a filename.', { char: error.segment }, undefined, { escape })
case InvalidFilenameErrorReason.ReservedName:
return t('files', '"{segment}" is a reserved name and not allowed for filenames.', { segment: error.segment }, undefined, { escape: false })
case InvalidFilenameErrorReason.Extension:
if (error.segment.match(/\.[a-z]/i)) {
return t('files', '"{extension}" is not an allowed filetype.', { extension: error.segment }, undefined, { escape: false })
}
return t('files', 'Filenames must not end with "{extension}".', { extension: error.segment }, undefined, { escape: false })
default:
return t('files', 'Invalid filename.')
}
}
}
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