f05f832bff
Use more specific css rules for the emoji dimensions in the chat list status preview. Use more round em value for chat list item height. Add global html overflow and height for smoother chat navigation in the desktop Safari. Use offsetHeight instad of a computed style when setting the window height on resize. Remove margin-bottom from the last message to avoid occasional layout shift in the desktop Safari Use break-word to prevent chat message text overflow Resize and scroll the textarea when inserting a new line on ctrl+enter Remove fade transition on route change Ensure proper border radius at the bottom of the chat, remove unused border-radius Prevent the chat header "jumping" on the avatar load.
152 lines
3.6 KiB
JavaScript
152 lines
3.6 KiB
JavaScript
import _ from 'lodash'
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const empty = (chatId) => {
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return {
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idIndex: {},
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messages: [],
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newMessageCount: 0,
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lastSeenTimestamp: 0,
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chatId: chatId,
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minId: undefined,
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lastMessage: undefined
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}
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}
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const clear = (storage) => {
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storage.idIndex = {}
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storage.messages.splice(0, storage.messages.length)
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storage.newMessageCount = 0
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storage.lastSeenTimestamp = 0
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storage.minId = undefined
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storage.lastMessage = undefined
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}
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const deleteMessage = (storage, messageId) => {
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if (!storage) { return }
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storage.messages = storage.messages.filter(m => m.id !== messageId)
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delete storage.idIndex[messageId]
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if (storage.lastMessage && (storage.lastMessage.id === messageId)) {
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storage.lastMessage = _.maxBy(storage.messages, 'id')
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}
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if (storage.minId === messageId) {
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const firstMessage = _.minBy(storage.messages, 'id')
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storage.minId = firstMessage.id
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}
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}
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const add = (storage, { messages: newMessages }) => {
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if (!storage) { return }
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for (let i = 0; i < newMessages.length; i++) {
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const message = newMessages[i]
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// sanity check
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if (message.chat_id !== storage.chatId) { return }
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if (!storage.minId || message.id < storage.minId) {
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storage.minId = message.id
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}
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if (!storage.lastMessage || message.id > storage.lastMessage.id) {
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storage.lastMessage = message
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}
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if (!storage.idIndex[message.id]) {
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if (storage.lastSeenTimestamp < message.created_at) {
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storage.newMessageCount++
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}
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storage.messages.push(message)
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storage.idIndex[message.id] = message
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}
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}
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}
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const resetNewMessageCount = (storage) => {
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if (!storage) { return }
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storage.newMessageCount = 0
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storage.lastSeenTimestamp = new Date()
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}
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// Inserts date separators and marks the head and tail if it's the chain of messages made by the same user
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const getView = (storage) => {
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if (!storage) { return [] }
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const result = []
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const messages = _.sortBy(storage.messages, ['id', 'desc'])
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const firstMessage = messages[0]
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let previousMessage = messages[messages.length - 1]
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let currentMessageChainId
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if (firstMessage) {
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const date = new Date(firstMessage.created_at)
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date.setHours(0, 0, 0, 0)
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result.push({
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type: 'date',
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date,
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id: date.getTime().toString()
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})
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}
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let afterDate = false
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for (let i = 0; i < messages.length; i++) {
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const message = messages[i]
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const nextMessage = messages[i + 1]
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const date = new Date(message.created_at)
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date.setHours(0, 0, 0, 0)
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// insert date separator and start a new message chain
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if (previousMessage && previousMessage.date < date) {
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result.push({
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type: 'date',
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date,
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id: date.getTime().toString()
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})
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previousMessage['isTail'] = true
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currentMessageChainId = undefined
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afterDate = true
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}
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const object = {
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type: 'message',
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data: message,
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date,
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id: message.id,
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messageChainId: currentMessageChainId
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}
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// end a message chian
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if ((nextMessage && nextMessage.account_id) !== message.account_id) {
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object['isTail'] = true
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currentMessageChainId = undefined
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}
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// start a new message chain
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if ((previousMessage && previousMessage.data && previousMessage.data.account_id) !== message.account_id || afterDate) {
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currentMessageChainId = _.uniqueId()
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object['isHead'] = true
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object['messageChainId'] = currentMessageChainId
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}
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result.push(object)
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previousMessage = object
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afterDate = false
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}
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return result
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}
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const ChatService = {
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add,
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empty,
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getView,
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deleteMessage,
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resetNewMessageCount,
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clear
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}
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export default ChatService
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