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Expose Callback function in d3-graphviz #84

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Expose Callback function in d3-graphviz #84

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02fc5fa
add: Callback function exposed
ishan-aws Nov 7, 2022
4b221d5
fix: linting issues
ishan-aws Nov 7, 2022
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13 changes: 11 additions & 2 deletions src/Graphviz.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,10 @@ interface IGraphvizProps {
* The classname to attach to this component for styling purposes.
*/
className?: string;
/**
* The callback function to call when the graph is rendered.
*/
callback?: () => void;
}

const defaultOptions: GraphvizOptions = {
Expand All @@ -29,14 +33,19 @@ let counter = 0;
// eslint-disable-next-line no-plusplus
const getId = () => `graphviz${counter++}`;

const Graphviz = ({ dot, className, options = {} }: IGraphvizProps) => {
const Graphviz = ({
dot,
className,
options = {},
callback,
}: IGraphvizProps) => {
const id = useMemo(getId, []);

useEffect(() => {
graphviz(`#${id}`, {
...defaultOptions,
...options,
}).renderDot(dot);
}).renderDot(dot, callback);
}, [dot, options]);

return <div className={className} id={id} />;
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