for-legacy-web/src/components/markdown/plugins/Codeblock.tsx

80 lines
1.8 KiB
TypeScript

import styled from "styled-components";
import { useCallback, useRef } from "preact/hooks";
import { Tooltip } from "@revoltchat/ui";
import { modalController } from "../../../controllers/modals/ModalController";
/**
* Base codeblock styles
*/
const Base = styled.pre`
padding: 1em;
overflow-x: scroll;
background: var(--block);
border-radius: var(--border-radius);
`;
/**
* Copy codeblock contents button styles
*/
const Lang = styled.div`
font-family: var(--monospace-font);
width: fit-content;
padding-bottom: 8px;
a {
color: #111;
cursor: pointer;
padding: 2px 6px;
font-weight: 600;
user-select: none;
display: inline-block;
background: var(--accent);
font-size: 10px;
text-transform: uppercase;
box-shadow: 0 2px #787676;
border-radius: calc(var(--border-radius) / 3);
&:active {
transform: translateY(1px);
box-shadow: 0 1px #787676;
}
}
`;
/**
* Render a codeblock with copy text button
*/
export const RenderCodeblock: React.FC<{ class: string }> = ({
children,
...props
}) => {
const ref = useRef<HTMLPreElement>(null);
let text = "text";
if (props.class) {
text = props.class.split("-")[1];
}
const onCopy = useCallback(() => {
const text = ref.current?.querySelector("code")?.innerText;
text && modalController.writeText(text);
}, [ref]);
return (
<Base ref={ref}>
<Lang>
<Tooltip content="Copy to Clipboard" placement="top">
{/**
// @ts-expect-error Preact-React */}
<a onClick={onCopy}>{text}</a>
</Tooltip>
</Lang>
{children}
</Base>
);
};