74 lines
1.9 KiB
TypeScript
74 lines
1.9 KiB
TypeScript
// Copyright 2018 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import React from 'react';
|
|
|
|
import classNames from 'classnames';
|
|
|
|
import type { RenderTextCallbackType } from '../../types/Util';
|
|
import { splitByEmoji } from '../../util/emoji';
|
|
import { missingCaseError } from '../../util/missingCaseError';
|
|
import type { SizeClassType } from '../emoji/lib';
|
|
import { emojiToImage } from '../emoji/lib';
|
|
|
|
// Some of this logic taken from emoji-js/replacement
|
|
// the DOM structure for this getImageTag should match the other emoji implementations:
|
|
// ts/components/emoji/Emoji.tsx
|
|
// ts/quill/emoji/blot.tsx
|
|
function getImageTag({
|
|
match,
|
|
sizeClass,
|
|
key,
|
|
}: {
|
|
match: string;
|
|
sizeClass?: SizeClassType;
|
|
key: string | number;
|
|
}): JSX.Element | string {
|
|
const img = emojiToImage(match);
|
|
|
|
if (!img) {
|
|
return match;
|
|
}
|
|
|
|
return (
|
|
<img
|
|
key={key}
|
|
src={img}
|
|
aria-label={match}
|
|
className={classNames('emoji', sizeClass)}
|
|
alt={match}
|
|
/>
|
|
);
|
|
}
|
|
|
|
export type Props = {
|
|
text: string;
|
|
/** A class name to be added to the generated emoji images */
|
|
sizeClass?: SizeClassType;
|
|
/** Allows you to customize now non-newlines are rendered. Simplest is just a <span>. */
|
|
renderNonEmoji?: RenderTextCallbackType;
|
|
};
|
|
|
|
const defaultRenderNonEmoji: RenderTextCallbackType = ({ text }) => text;
|
|
|
|
export class Emojify extends React.Component<Props> {
|
|
public override render(): null | Array<JSX.Element | string | null> {
|
|
const {
|
|
text,
|
|
sizeClass,
|
|
renderNonEmoji = defaultRenderNonEmoji,
|
|
} = this.props;
|
|
|
|
return splitByEmoji(text).map(({ type, value: match }, index) => {
|
|
if (type === 'emoji') {
|
|
return getImageTag({ match, sizeClass, key: index });
|
|
}
|
|
|
|
if (type === 'text') {
|
|
return renderNonEmoji({ text: match, key: index });
|
|
}
|
|
|
|
throw missingCaseError(type);
|
|
});
|
|
}
|
|
}
|