31 lines
704 B
Dart
31 lines
704 B
Dart
import 'package:lensai/extensions/nullable.dart';
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import 'package:lensai/utils/uri_parser.dart' as uri_parser;
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String? validateUrl(
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String? value, {
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bool requireAuthority = true,
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bool eagerParsing = true,
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bool onlyHttpProtocol = false,
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bool required = true,
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}) {
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if (value.isEmpty) {
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if (required) {
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return 'URL must be provided';
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} else {
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return null;
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}
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}
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if (uri_parser.tryParseUrl(value, eagerParsing: eagerParsing)
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case final Uri url) {
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if (!requireAuthority || url.authority.isNotEmpty) {
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if (!onlyHttpProtocol ||
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(url.isScheme('https') || url.isScheme('http'))) {
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return null;
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}
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}
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}
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return 'Inavlid URL';
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}
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