removeSuffix method
Remve suffix from a string.
Implementation
String removeSuffix(String suffix) {
if (this == null) {
throw ArgumentError('string: $this');
}
if (this!.isEmpty) {
return '';
}
if (this!.endsWith(suffix)) {
return this!.substring(0, this!.length - suffix.length);
}
return this!;
}