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make frontend more resilient to a broken graph

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Tao Bror Bojlén 2019-02-20 21:27:47 +00:00
parent dfaf15fb51
commit f4044a4cd7
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1 changed files with 6 additions and 3 deletions
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9
frontend/src/components/Graph.jsx
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@ -64,9 +64,12 @@ class GraphImpl extends React.Component {
}
componentDidUpdate() {
const sigma = this.sigmaComponent.current.sigma;
sigma.graph.nodes().map(this.colorNodes);
sigma.refresh();
const sigma = this.sigmaComponent && this.sigmaComponent.current.sigma;
// Check if sigma exists s.t. nothing breaks if the graph didn't load (for whatever reason)
if (sigma) {
sigma.graph.nodes().map(this.colorNodes);
sigma.refresh();
}
}
onClickNode = (e) => {