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refactor: extname as string extension

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This commit is contained in:
Rongjian Zhang
2020-01-31 14:54:46 +08:00
parent db92210659
commit 32d29f6f0b
3 changed files with 20 additions and 17 deletions
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12
lib/utils/extensions.dart
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@@ -1,4 +1,5 @@
import 'dart:convert';
import 'package:path/path.dart' as p;
extension MyString<T extends String> on String {
int get toInt => int.parse(this);
@@ -6,4 +7,15 @@ extension MyString<T extends String> on String {
String get urldecode => Uri.decodeComponent(this);
String get dropLineBreak => this.replaceAll('\n', '');
String get base64ToUtf8 => utf8.decode(base64.decode(this));
/// Get extension by file name/path, returns `null` instead of empty string
///
/// 1.dart -> 'dart'
///
/// license -> null
String get ext {
final dotext = p.extension(this);
if (dotext.isEmpty) return null;
return dotext.substring(1);
}
}