joinURL function
Implementation
String joinURL(
final String parent,
final String child, {
final bool removeParentLastRoute = false,
}) {
final List<String> sParent = parent.split('/');
final List<String> sChild = child.split('/');
if (removeParentLastRoute) sParent.removeLast();
bool done = false;
while (!done) {
if (sChild[0] == '.') {
sChild.removeAt(0);
} else if (sChild[0] == '..') {
sParent.removeLast();
sChild.removeAt(0);
} else {
done = true;
}
}
if (sParent.last != '') sParent.add('');
if (sChild.first == '') sChild.removeAt(0);
return sParent.join('/') + sChild.join('/');
}