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check expression type in viewer to mitigate the void bug

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This commit is contained in:
Vyacheslav Matyukhin 2022-07-29 23:19:55 +04:00
parent f96f8de92a
commit 482ceb76dc
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GPG Key ID: 3D2A774C5489F96C
1 changed files with 17 additions and 4 deletions
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15
packages/components/src/components/SquiggleViewer/ExpressionViewer.tsx
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@ -59,6 +59,13 @@ export const ExpressionViewer: React.FC<Props> = ({
expression,
width,
}) => {
if (typeof expression !== "object") {
return (
<VariableList path={path} heading="Error">
{() => `Unknown expression: ${expression}`}
</VariableList>
);
}
switch (expression.tag) {
case "number":
return (
@ -281,10 +288,16 @@ export const ExpressionViewer: React.FC<Props> = ({
);
default: {
return (
<VariableList path={path} heading="Error">
{() => (
<div>
<span>No display for type: </span>{" "}
<span className="font-semibold text-slate-600">{expression.tag}</span>
<span className="font-semibold text-slate-600">
{expression.tag}
</span>
</div>
)}
</VariableList>
);
}
}