29 行
1.0 KiB
TypeScript
29 行
1.0 KiB
TypeScript
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import type { ConversationData, ImMessage } from './types'
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export function buildDbName(appKey: string, userId: string): string {
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return `xuqm_im_${appKey}_${userId}`
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}
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export function sortMessages(messages: ImMessage[]): ImMessage[] {
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const deduped = new Map<string, ImMessage>()
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messages.forEach((message) => {
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const existing = deduped.get(message.id)
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if (!existing || message.createdAt >= existing.createdAt) {
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deduped.set(message.id, message)
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}
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})
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return [...deduped.values()]
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.sort((a, b) => {
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if (b.createdAt !== a.createdAt) return b.createdAt - a.createdAt
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return b.id.localeCompare(a.id)
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})
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}
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export function sortConversations(conversations: ConversationData[]): ConversationData[] {
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return [...conversations].sort((a, b) => {
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if (a.isPinned !== b.isPinned) return Number(b.isPinned) - Number(a.isPinned)
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if (b.lastMsgTime !== a.lastMsgTime) return b.lastMsgTime - a.lastMsgTime
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return `${a.chatType}:${a.targetId}`.localeCompare(`${b.chatType}:${b.targetId}`)
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})
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}
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