signal-desktop/ts/components/MessageBodyHighlight.tsx

109 lines
2.3 KiB
TypeScript

import React from 'react';
import { MessageBody } from './conversation/MessageBody';
import { Emojify } from './conversation/Emojify';
import { AddNewLines } from './conversation/AddNewLines';
import { SizeClassType } from './emoji/lib';
import { LocalizerType, RenderTextCallbackType } from '../types/Util';
interface Props {
text: string;
i18n: LocalizerType;
}
const renderNewLines: RenderTextCallbackType = ({ text, key }) => (
<AddNewLines key={key} text={text} />
);
const renderEmoji = ({
text,
key,
sizeClass,
renderNonEmoji,
}: {
i18n: LocalizerType;
text: string;
key: number;
sizeClass?: SizeClassType;
renderNonEmoji: RenderTextCallbackType;
}) => (
<Emojify
key={key}
text={text}
sizeClass={sizeClass}
renderNonEmoji={renderNonEmoji}
/>
);
export class MessageBodyHighlight extends React.Component<Props> {
public render() {
const { text, i18n } = this.props;
const results: Array<any> = [];
const FIND_BEGIN_END = /<<left>>(.+?)<<right>>/g;
let match = FIND_BEGIN_END.exec(text);
let last = 0;
let count = 1;
if (!match) {
return (
<MessageBody
disableJumbomoji={true}
disableLinks={true}
text={text}
i18n={i18n}
/>
);
}
const sizeClass = '';
while (match) {
if (last < match.index) {
const beforeText = text.slice(last, match.index);
results.push(
renderEmoji({
text: beforeText,
sizeClass,
key: count++,
i18n,
renderNonEmoji: renderNewLines,
})
);
}
const [, toHighlight] = match;
results.push(
<span className="module-message-body__highlight" key={count++}>
{renderEmoji({
text: toHighlight,
sizeClass,
key: count++,
i18n,
renderNonEmoji: renderNewLines,
})}
</span>
);
// @ts-ignore
last = FIND_BEGIN_END.lastIndex;
match = FIND_BEGIN_END.exec(text);
}
if (last < text.length) {
results.push(
renderEmoji({
text: text.slice(last),
sizeClass,
key: count++,
i18n,
renderNonEmoji: renderNewLines,
})
);
}
return results;
}
}