@lobehub/chat/src/utils/genOG.ts

Lobe Chat - an open-source, high-performance chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Supports one-click free deployment of your private ChatGPT/LLM web application.

export const formatTitleLength = (title: string, addOnLength: number = 0) => {
  if (title.length > 60 - addOnLength) {
    return title.slice(0, 57 - addOnLength) + '...';
  } else {
    return title;
  }
};

export const formatDescLength = (desc: string, tags?: string[]): any => {
  if (!desc) return;
  if (desc.length > 160) {
    return desc.slice(0, 157) + '...';
  } else {
    if (!tags) return desc;
    const tagStr: string = tags ? tags.join(', ') : '';
    const tagLength = 160 - desc.length - 3;
    const newDesc = desc + tagStr.slice(0, tagLength) + (tagStr.length > tagLength ? '...' : '');
    return newDesc.length <= 157 ? newDesc : newDesc + '...';
  }
};