parseField static method
Parser for field name components.AY85swGc.vote to components.{}.vote
Implementation
static String parseField(String field) {
var list = field.split('.');
var res = '';
for (var i = 0; i < list.length; i++) {
if (i % 2 == 0) {
res += list[i];
} else {
res += '{}';
}
}
return res;
}