cui-llama.rn/lib/module/chat.js

Fork of llama.rn for ChatterUI

export function formatChat(messages) {
  const chat = [];
  messages.forEach(currMsg => {
    const role = currMsg.role || '';
    let content = '';
    if ('content' in currMsg) {
      if (typeof currMsg.content === 'string') {
        ;
        ({
          content
        } = currMsg);
      } else if (Array.isArray(currMsg.content)) {
        currMsg.content.forEach(part => {
          if ('text' in part) {
            content += `${content ? '\n' : ''}${part.text}`;
          }
        });
      } else {
        throw new TypeError("Invalid 'content' type (ref: https://github.com/ggerganov/llama.cpp/issues/8367)");
      }
    } else {
      throw new Error("Missing 'content' (ref: https://github.com/ggerganov/llama.cpp/issues/8367)");
    }
    chat.push({
      role,
      content
    });
  });
  return chat;
}
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