@uimkit/uikit-react/dist/cjs/components/UIMessageList/hooks/useShouldForceScrollToBottom.js

<img style="width:64px" src="https://mgmt.uimkit.chat/media/img/avatar.png"/>

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var React = require('react');
require('../../../types/models.js');
require('../../../types/events.js');

function useShouldForceScrollToBottom(messages, currentUserId) {
    var lastFocusedOwnMessage = React.useRef('');
    var initialFocusRegistered = React.useRef(false);
    function recheckForNewOwnMessage() {
        if (messages && messages.length > 0) {
            var lastMessage = messages[messages.length - 1];
            // 最后一条消息是自己发的, 就更新关联
            if (lastMessage.from === currentUserId &&
                lastFocusedOwnMessage.current !== lastMessage.id) {
                lastFocusedOwnMessage.current = lastMessage.id;
                return true;
            }
        }
        return false;
    }
    React.useEffect(function () {
        if (messages && messages.length && !initialFocusRegistered.current) {
            initialFocusRegistered.current = true;
            recheckForNewOwnMessage();
        }
    }, [messages, messages === null || messages === void 0 ? void 0 : messages.length]);
    return recheckForNewOwnMessage;
}

exports.useShouldForceScrollToBottom = useShouldForceScrollToBottom;
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