Files
EasyFlow/easyflow-ui-usercenter/app/src/components/chat/bubbleList.vue
陈子默 0947009ee6 feat: 统一聊天 Markdown 渲染
- 新增 ChatTimeMarkdown 并在管理端、用户端聊天入口复用

- 收敛聊天页面重复 Markdown 样式,保留工具和思考块独立渲染
2026-05-18 09:59:59 +08:00

499 lines
12 KiB
Vue

<script setup lang="ts">
import type { ChatTimeTimelineItem } from '@easyflow/types';
import { computed, ref } from 'vue';
import { ChatThinkingBlock, ChatTimeMarkdown } from '@easyflow/common-ui';
import { IconifyIcon } from '@easyflow/icons';
import { useUserStore } from '@easyflow/stores';
import {
ArrowLeft,
ArrowRight,
CircleCheck,
CopyDocument,
Loading,
RefreshRight,
} from '@element-plus/icons-vue';
import { ElAvatar, ElIcon, ElMessage } from 'element-plus';
import defaultAssistantAvatar from '#/assets/defaultAssistantAvatar.svg';
import defaultUserAvatar from '#/assets/defaultUserAvatar.png';
import ShowJson from '#/components/json/ShowJson.vue';
interface Props {
allowRegenerate?: boolean;
allowVariantSwitch?: boolean;
bot: any;
messages: ChatTimeTimelineItem[];
regenerateDisabled?: boolean;
switchingRoundIds?: string[];
variantSwitchDisabled?: boolean;
}
const props = withDefaults(defineProps<Props>(), {
allowRegenerate: false,
allowVariantSwitch: false,
regenerateDisabled: false,
switchingRoundIds: () => [],
variantSwitchDisabled: false,
});
const store = useUserStore();
const expandedToolState = ref<Record<string, boolean>>({});
const latestAssistantMessageId = computed(() => {
return [...props.messages].reverse().find((item) => item.role === 'assistant')?.id || '';
});
const emit = defineEmits<{
regenerate: [item: ChatTimeTimelineItem];
selectNextVariant: [item: ChatTimeTimelineItem];
selectPreviousVariant: [item: ChatTimeTimelineItem];
}>();
function getAssistantAvatar() {
return props.bot.icon || defaultAssistantAvatar;
}
function getUserAvatar() {
return store.userInfo?.avatar || defaultUserAvatar;
}
function formatTime(value: number | string) {
if (typeof value === 'number') {
return new Date(value).toLocaleString();
}
return value || '';
}
function getToolName(item: ChatTimeTimelineItem) {
return item.role === 'tool' && item.name ? item.name : '工具调用';
}
function hasToolDetails(item: ChatTimeTimelineItem) {
return item.role === 'tool' && Boolean(item.arguments || item.result);
}
function isToolExpanded(item: ChatTimeTimelineItem) {
return item.role === 'tool' && Boolean(expandedToolState.value[item.id]);
}
function toggleToolExpanded(item: ChatTimeTimelineItem) {
if (item.role !== 'tool' || !hasToolDetails(item)) {
return;
}
expandedToolState.value = {
...expandedToolState.value,
[item.id]: !expandedToolState.value[item.id],
};
}
function canCopy(item: ChatTimeTimelineItem) {
return item.role !== 'tool' && Boolean(String(item.content || '').trim());
}
function canRegenerate(item: ChatTimeTimelineItem) {
return (
props.allowRegenerate &&
item.role === 'assistant' &&
item.id === latestAssistantMessageId.value
);
}
function shouldShowVariantNavigator(item: ChatTimeTimelineItem) {
return (
props.allowVariantSwitch &&
item.role === 'assistant' &&
isFinalAssistantInRound(item) &&
Number(item.variantCount || 0) > 1 &&
Boolean(item.roundId)
);
}
function canSwitchVariant(
item: ChatTimeTimelineItem,
direction: 'next' | 'previous',
) {
if (
item.role !== 'assistant' ||
!isFinalAssistantInRound(item) ||
props.variantSwitchDisabled ||
isVariantSwitching(item) ||
!item.switchable
) {
return false;
}
const current = Number(item.variantIndex || item.selectedVariantIndex || 1);
const total = Number(item.variantCount || 1);
if (direction === 'previous') {
return current > 1;
}
return current < total;
}
function isVariantSwitching(item: ChatTimeTimelineItem) {
return Boolean(
item.roundId && props.switchingRoundIds.includes(String(item.roundId)),
);
}
function isFinalAssistantInRound(item: ChatTimeTimelineItem) {
if (item.role !== 'assistant') {
return false;
}
if (!item.roundId) {
return true;
}
for (let index = props.messages.length - 1; index >= 0; index -= 1) {
const candidate = props.messages[index];
if (
candidate?.role === 'assistant' &&
candidate.roundId === item.roundId &&
String(candidate.variantIndex || '') === String(item.variantIndex || '')
) {
return candidate.id === item.id;
}
}
return true;
}
async function handleCopy(item: ChatTimeTimelineItem) {
if (!canCopy(item)) {
return;
}
try {
await navigator.clipboard.writeText(String(item.content || ''));
ElMessage.success('已复制');
} catch {
ElMessage.error('复制失败');
}
}
</script>
<template>
<ElBubbleList :list="messages" max-height="calc(100vh - 345px)">
<!-- 自定义头像 -->
<template #avatar="{ item }">
<ElAvatar
:src="item.role === 'user' ? getUserAvatar() : getAssistantAvatar()"
:size="40"
/>
</template>
<!-- 自定义头部 -->
<template #header="{ item }">
<div class="flex flex-col">
<span class="text-foreground/50 text-xs">
{{ formatTime(item.created) }}
</span>
</div>
</template>
<!-- 自定义气泡内容 -->
<template #content="{ item }">
<template v-if="item.role === 'assistant'">
<div class="flex flex-col gap-2">
<template v-for="segment in item.segments" :key="segment.id">
<ChatThinkingBlock
v-if="segment.type === 'thinking'"
v-model:expanded="segment.expanded"
:content="segment.content"
:status="segment.status"
class="chat-thinking-block-item"
/>
<ChatTimeMarkdown v-else :content="segment.content" />
</template>
</div>
</template>
<template v-else-if="item.role === 'tool'">
<div class="chat-tool-panel" :class="{ 'is-expanded': isToolExpanded(item) }">
<button
type="button"
class="chat-tool-header"
:class="{ 'is-clickable': hasToolDetails(item) }"
@click="toggleToolExpanded(item)"
>
<div class="chat-tool-title">
<ElIcon size="14">
<IconifyIcon icon="svg:wrench" />
</ElIcon>
<span class="chat-tool-title-text">{{ getToolName(item) }}</span>
</div>
<div class="chat-tool-meta">
<span
class="chat-tool-status"
:class="item.status === 'TOOL_CALL' ? 'is-calling' : 'is-done'"
>
<ElIcon size="13">
<IconifyIcon
v-if="item.status === 'TOOL_CALL'"
icon="mdi:clock-time-five-outline"
/>
<CircleCheck v-else />
</ElIcon>
<span>{{ item.status === 'TOOL_CALL' ? '调用中' : '已完成' }}</span>
</span>
<ElIcon
v-if="hasToolDetails(item)"
size="14"
class="chat-tool-arrow"
:class="{ 'is-expanded': isToolExpanded(item) }"
>
<IconifyIcon icon="ep:arrow-right" />
</ElIcon>
</div>
</button>
<div v-if="isToolExpanded(item) && hasToolDetails(item)" class="chat-tool-body">
<ShowJson
v-if="item.arguments"
:value="item.arguments"
plain
/>
<ShowJson
v-if="item.result"
:value="item.result"
plain
/>
</div>
</div>
</template>
<ChatTimeMarkdown v-else :content="item.content" />
</template>
<template #footer="{ item }">
<div
v-if="canCopy(item) || canRegenerate(item) || shouldShowVariantNavigator(item)"
class="chat-message-actions"
:class="{ 'is-user': item.role === 'user' }"
>
<div
v-if="shouldShowVariantNavigator(item)"
class="chat-message-actions__variant"
>
<button
type="button"
class="chat-message-actions__button"
:disabled="!canSwitchVariant(item, 'previous')"
aria-label="查看上一版答案"
@click="emit('selectPreviousVariant', item)"
>
<Loading v-if="isVariantSwitching(item)" class="is-loading" />
<ArrowLeft v-else />
</button>
<span class="chat-message-actions__variant-label">
{{ Number(item.variantIndex || item.selectedVariantIndex || 1) }}/{{
Number(item.variantCount || 1)
}}
</span>
<button
type="button"
class="chat-message-actions__button"
:disabled="!canSwitchVariant(item, 'next')"
aria-label="查看下一版答案"
@click="emit('selectNextVariant', item)"
>
<Loading v-if="isVariantSwitching(item)" class="is-loading" />
<ArrowRight v-else />
</button>
</div>
<button
v-if="canRegenerate(item)"
type="button"
class="chat-message-actions__button"
:disabled="regenerateDisabled"
aria-label="重新生成"
@click="emit('regenerate', item)"
>
<RefreshRight />
</button>
<button
v-if="canCopy(item)"
type="button"
class="chat-message-actions__button"
aria-label="复制消息"
@click="handleCopy(item)"
>
<CopyDocument />
</button>
</div>
</template>
</ElBubbleList>
</template>
<style lang="css" scoped>
:deep(.el-bubble-header) {
width: 100%;
}
:deep(.el-bubble-end .el-bubble-header) {
width: fit-content;
}
:deep(.el-bubble-content-wrapper .el-bubble-content) {
--bubble-content-max-width: 100%;
}
.chat-thinking-block-item {
margin-bottom: 0;
}
.chat-tool-panel {
min-width: 0;
background: hsl(var(--surface-panel) / 0.98);
border: 1px solid hsl(var(--divider-faint) / 0.16);
border-radius: 10px;
box-shadow: none;
}
.chat-tool-header {
display: flex;
gap: 8px;
align-items: center;
justify-content: space-between;
width: 100%;
min-height: 34px;
padding: 0 10px;
text-align: left;
background: transparent;
border: none;
}
.chat-tool-header.is-clickable {
cursor: pointer;
}
.chat-tool-title {
display: inline-flex;
gap: 6px;
align-items: center;
min-width: 0;
color: hsl(var(--text-strong));
}
.chat-tool-title-text {
overflow: hidden;
font-size: 12px;
font-weight: 600;
text-overflow: ellipsis;
white-space: nowrap;
}
.chat-tool-meta {
display: inline-flex;
flex-shrink: 0;
gap: 6px;
align-items: center;
}
.chat-tool-status {
display: inline-flex;
flex-shrink: 0;
gap: 4px;
align-items: center;
padding: 1px 8px;
font-size: 11px;
line-height: 1.4;
border: 1px solid transparent;
border-radius: 999px;
}
.chat-tool-status.is-calling {
color: hsl(var(--primary));
background: hsl(var(--primary) / 0.08);
border-color: hsl(var(--primary) / 0.12);
}
.chat-tool-status.is-done {
color: hsl(var(--success));
background: hsl(var(--success) / 0.08);
border-color: hsl(var(--success) / 0.12);
}
.chat-tool-arrow {
color: hsl(var(--text-muted));
transition: transform 0.15s ease;
}
.chat-tool-arrow.is-expanded {
transform: rotate(90deg);
}
.chat-tool-body {
display: flex;
flex-direction: column;
gap: 6px;
padding: 0 10px 10px;
}
.chat-message-actions {
display: inline-flex;
gap: 4px;
align-items: center;
margin-top: 6px;
}
.chat-message-actions.is-user {
justify-content: flex-end;
}
.chat-message-actions__variant {
display: inline-flex;
gap: 2px;
align-items: center;
}
.chat-message-actions__variant-label {
min-width: 42px;
font-size: 11px;
font-weight: 600;
text-align: center;
color: hsl(var(--text-muted));
}
.chat-message-actions__button {
display: inline-flex;
align-items: center;
justify-content: center;
width: 28px;
height: 28px;
padding: 0;
color: hsl(var(--text-muted));
cursor: pointer;
border: none;
border-radius: 999px;
background: transparent;
transition:
color 0.18s ease,
background-color 0.18s ease;
}
.chat-message-actions__button:hover:not(:disabled) {
color: hsl(var(--text-strong));
background: hsl(var(--foreground) / 0.05);
}
.chat-message-actions__button:focus-visible {
outline: 2px solid hsl(var(--primary) / 0.32);
outline-offset: 2px;
}
.chat-message-actions__button:disabled {
opacity: 0.42;
cursor: not-allowed;
}
.chat-message-actions__button :deep(svg) {
width: 15px;
height: 15px;
}
.chat-message-actions__button .is-loading {
animation: chat-action-spin 0.8s linear infinite;
}
@keyframes chat-action-spin {
to {
transform: rotate(360deg);
}
}
</style>