@tsuk1ko/cq-websocket/src/message/models/CQImage.js

A Node SDK for developing QQ chatbots based on WebSocket, which is depending on CoolQ and CQHTTP API plugin.

const CQTag = require('../CQTag');
const optional = require('../../util/optional');

module.exports = class CQImage extends CQTag {
  constructor(file, cache = true) {
    super('image', { file });
    this.cache = cache;
  }

  get file() {
    return this.data.file;
  }

  get url() {
    return this.data.url;
  }

  get cache() {
    return this.modifier.cache;
  }

  set cache(cache) {
    this.modifier.cache = !cache ? 0 : undefined;
  }

  coerce() {
    this.data.file = String(this.data.file);
    this.data.url = optional(this.data.url, String);
    return this;
  }
};