Function removePrefixConversations

test/harness/replayingCapiProxy.ts:930–943

(
  conversations: NormalizedConversation[],
)

// information from the shorter ones. Avoiding duplication makes it reasonable for humans to reason
// about diffs in the stored conversations when things change.
function removePrefixConversations(
  conversations: NormalizedConversation[],
): NormalizedConversation[] {
  const result = [...conversations];
  for (let i = result.length - 1; i >= 0; i--) {
    for (let j = i - 1; j >= 0; j--) {
      if (isPrefix(result[j].messages, result[i].messages)) {
        result.splice(j, 1);
        i--; // adjust index since we removed an element before current position
      }
    }
  }
  return result;
}

function isPrefix(
  shorter: NormalizedMessage[],