jiti-meet/react/features/chat/reducer.js

62 lines
1.5 KiB
JavaScript

// @flow
import { ReducerRegistry } from '../base/redux';
import { ADD_MESSAGE, CLEAR_MESSAGES, TOGGLE_CHAT } from './actionTypes';
const DEFAULT_STATE = {
isOpen: false,
lastReadMessage: undefined,
messages: []
};
ReducerRegistry.register('features/chat', (state = DEFAULT_STATE, action) => {
switch (action.type) {
case ADD_MESSAGE: {
const newMessage = {
displayName: action.displayName,
error: action.error,
id: action.id,
messageType: action.messageType,
message: action.message,
timestamp: action.timestamp
};
// React native, unlike web, needs a reverse sorted message list.
const messages = navigator.product === 'ReactNative'
? [
newMessage,
...state.messages
]
: [
...state.messages,
newMessage
];
return {
...state,
lastReadMessage:
action.hasRead ? newMessage : state.lastReadMessage,
messages
};
}
case CLEAR_MESSAGES:
return {
...state,
lastReadMessage: undefined,
messages: []
};
case TOGGLE_CHAT:
return {
...state,
isOpen: !state.isOpen,
lastReadMessage: state.messages[
navigator.product === 'ReactNative' ? 0 : state.messages.length - 1]
};
}
return state;
});