index.js

import $state from '@/uni_modules/uni-im/sdk/state/index.js';
export default {
  toChat(param) {
    if ($state.isWidescreen) {
      uni.$emit('uni-im-toChat', param)
    } else {
      let url = '/uni_modules/uni-im/pages/chat/chat?user_id=' + user_id
      if (param.source) {
        url += '&source=' + decodeURIComponent(JSON.stringify(param.source))
      }
      uni.navigateTo({url,animationDuration: 300})
    }
  },
}