!7

cprint CompressorSpike {
  switchable S snippetID = #1020763;
  LinkedHashMap<S> versions;
  
  start-thread {
    print("Snippet ID: " + snippetID);
    dm_onFieldChange snippetID(r { setField(versions := null); dm_reload() });
    if (versions == null) {
      versions = mapToLinkedHashMap(textChangesOfSnippet(snippetID), sv -> pair(str(sv.versionID), sv.previousValue));
      versions.put("latest", loadSnippet(snippetID));
      versions = mapValuesToLinkedHashMap toLinesAndBack(versions); // canonicalize line breaks
      change();
    }
    print("Have " + nVersions(versions) + " with " + nLines(totalLineCount(values(versions))));
  }
}