Open wjjhhh opened 2 years ago
Me too, but verison 2.1.11 doesn't have this BUG
Scrolling issues caused by mermaid
code preview example?
@wjjhhh @kevynull I updated the example. https://codesandbox.io/embed/recursing-water-08i59s?fontsize=14&hidenavigation=1&theme=dark
import React, { useState, useRef, useEffect } from "react";
import ReactDOM from "react-dom";
import MDEditor from "@uiw/react-md-editor";
import mermaid from "mermaid";
const mdMermaid = `The following are some examples of the diagrams, charts and graphs that can be made using Mermaid and the Markdown-inspired text specific to it.
\`\`\`mermaid
graph TD
A[Hard] -->|Text| B(Round)
B --> C{Decision}
C -->|One| D[Result 1]
C -->|Two| E[Result 2]
\`\`\`
\`\`\`mermaid
sequenceDiagram
Alice->>John: Hello John, how are you?
loop Healthcheck
John->>John: Fight against hypochondria
end
Note right of John: Rational thoughts!
John-->>Alice: Great!
John->>Bob: How about you?
Bob-->>John: Jolly good!
\`\`\`
`;
const randomid = () => parseInt(String(Math.random() * 1e15), 10).toString(36);
const Code = ({ inline, children = [], className, ...props }: any) => {
const demoid = useRef(`dome${randomid()}`);
const code = getCode(children);
const demo = useRef(null);
useEffect(() => {
if (demo.current) {
try {
const str = mermaid.render(
demoid.current,
code,
() => null,
demo.current
);
// @ts-ignore
demo.current.innerHTML = str;
} catch (error) {
// @ts-ignore
demo.current.innerHTML = error;
}
}
}, [code, demo]);
if (
typeof code === "string" &&
typeof className === "string" &&
/^language-mermaid/.test(className.toLocaleLowerCase())
) {
return (
<code ref={demo}>
<code id={demoid.current} style={{ display: "none" }} />
</code>
);
}
return <code className={String(className)}>{children}</code>;
};
const getCode = (arr = []) =>
arr
.map((dt) => {
if (typeof dt === "string") {
return dt;
}
if (dt.props && dt.props.children) {
return getCode(dt.props.children);
}
return false;
})
.filter(Boolean)
.join("");
export default function App() {
const [value, setValue] = useState(mdMermaid);
return (
<MDEditor
onChange={(newValue = "") => setValue(newValue)}
textareaProps={{
placeholder: "Please enter Markdown text"
}}
height={500}
value={value}
previewOptions={{
components: {
code: Code
}
}}
/>
);
}
ReactDOM.render(<App />, document.getElementById("container"));
https://codesandbox.io/embed/markdown-editor-mermaid-for-react-uvtsx?fontsize=14&hidenavigation=1&theme=dark