chat: prevent message rerender

This commit is contained in:
Tyler Brown Cifu Shuster 2020-09-08 15:20:40 -07:00
parent e07509fa11
commit f9cf984381

View File

@ -5,87 +5,88 @@ import { Message } from "./message";
import { Envelope } from "~/types/chat-update";
import _ from "lodash";
export const ChatMessage = (props) => {
const {
msg,
previousMsg,
nextMsg,
isFirstUnread,
group,
association,
contacts,
unreadRef,
hideAvatars,
hideNicknames,
remoteContentPolicy,
className = ''
} = props;
export class ChatMessage extends PureComponent {
render() {
const {
msg,
previousMsg,
nextMsg,
isFirstUnread,
group,
association,
contacts,
unreadRef,
hideAvatars,
hideNicknames,
remoteContentPolicy,
className = ''
} = this.props;
// Render sigil if previous message is not by the same sender
const aut = ["author"];
const renderSigil =
_.get(nextMsg, aut) !== _.get(msg, aut, msg.author);
const paddingTop = renderSigil;
const paddingBot =
_.get(previousMsg, aut) !== _.get(msg, aut, msg.author);
// Render sigil if previous message is not by the same sender
const aut = ["author"];
const renderSigil =
_.get(nextMsg, aut) !== _.get(msg, aut, msg.author);
const paddingTop = renderSigil;
const paddingBot =
_.get(previousMsg, aut) !== _.get(msg, aut, msg.author);
const when = ["when"];
const dayBreak =
moment(_.get(nextMsg, when)).format("YYYY.MM.DD") !==
moment(_.get(msg, when)).format("YYYY.MM.DD");
const when = ["when"];
const dayBreak =
moment(_.get(nextMsg, when)).format("YYYY.MM.DD") !==
moment(_.get(msg, when)).format("YYYY.MM.DD");
const messageElem = (
<Message
key={msg.uid}
msg={msg}
renderSigil={renderSigil}
paddingTop={paddingTop}
paddingBot={paddingBot}
pending={Boolean(msg.pending)}
group={group}
contacts={contacts}
association={association}
hideNicknames={hideNicknames}
hideAvatars={hideAvatars}
remoteContentPolicy={remoteContentPolicy}
className={className}
/>
);
if (isFirstUnread) {
return (
<Fragment key={msg.uid}>
{messageElem}
<div ref={unreadRef}
className="mv2 green2 flex items-center f9">
<hr className="dn-s ma0 w2 b--green2 bt-0" />
<p className="mh4">New messages below</p>
<hr className="ma0 flex-grow-1 b--green2 bt-0" />
{dayBreak && (
<p className="gray2 mh4">
{moment(_.get(msg, when)).calendar()}
</p>
)}
<hr
style={{ width: "calc(50% - 48px)" }}
className="b--green2 ma0 bt-0"
/>
</div>
</Fragment>
const messageElem = (
<Message
key={msg.uid}
msg={msg}
renderSigil={renderSigil}
paddingTop={paddingTop}
paddingBot={paddingBot}
pending={Boolean(msg.pending)}
group={group}
contacts={contacts}
association={association}
hideNicknames={hideNicknames}
hideAvatars={hideAvatars}
remoteContentPolicy={remoteContentPolicy}
className={className}
/>
);
} else if (dayBreak) {
return (
<Fragment key={msg.uid}>
<div
className="pv3 gray2 b--gray2 flex items-center justify-center f9 "
>
<p>{moment(_.get(msg, when)).calendar()}</p>
</div>
{messageElem}
</Fragment>
);
} else {
return messageElem;
if (isFirstUnread) {
return (
<Fragment key={msg.uid}>
{messageElem}
<div ref={unreadRef}
className="mv2 green2 flex items-center f9">
<hr className="dn-s ma0 w2 b--green2 bt-0" />
<p className="mh4">New messages below</p>
<hr className="ma0 flex-grow-1 b--green2 bt-0" />
{dayBreak && (
<p className="gray2 mh4">
{moment(_.get(msg, when)).calendar()}
</p>
)}
<hr
style={{ width: "calc(50% - 48px)" }}
className="b--green2 ma0 bt-0"
/>
</div>
</Fragment>
);
} else if (dayBreak) {
return (
<Fragment key={msg.uid}>
<div
className="pv3 gray2 b--gray2 flex items-center justify-center f9 "
>
<p>{moment(_.get(msg, when)).calendar()}</p>
</div>
{messageElem}
</Fragment>
);
} else {
return messageElem;
}
}
};
}