Disable Lift export when Frontier is empty

[andracc]

Resolves #3441

This change is 

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Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 74.69%. Comparing base (9238e55) to head (ec4ca0c).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/components/ProjectExport/ExportButton.tsx	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3440      +/-   ##
==========================================
+ Coverage   74.64%   74.69%   +0.05%     
==========================================
  Files         285      285              
  Lines       10999    10999              
  Branches     1339     1338       -1     
==========================================
+ Hits         8210     8216       +6     
+ Misses       2406     2400       -6     
  Partials      383      383              

Flag	Coverage Δ
backend	83.71% <ø> (+0.05%)	⬆️
frontend	66.67% <75.00%> (+0.05%)	⬆️

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[imnasnainaec]

Reviewed 1 of 2 files at r2, all commit messages.
Reviewable status: 1 of 2 files reviewed, 3 unresolved discussions (waiting on @andracc)

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src/components/ProjectExport/ExportButton.tsx line 16 at r2 (raw file):

  projectId: string;
  buttonProps?: ButtonProps & { "data-testid"?: string };
  disabled?: boolean;

It looks like this new optional prop isn't been used.

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src/components/ProjectExport/ExportButton.tsx line 22 at r2 (raw file):

export default function ExportButton(props: ExportButtonProps): ReactElement {
  const dispatch = useAppDispatch();
  const [exports, setExports] = useState<boolean>(false);

The <boolean> can be dropped, since the type is implied from the default value.

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src/components/ProjectExport/ExportButton.tsx line 43 at r2 (raw file):

          setExports(true);
        }
      });

Because setExports is a function that takes a boolean, you should be able to condense this to

await isFrontierNonempty(props.propjectId).then(setExports);

(There's no performance concern for updating a state to what it already is, because rerenders are only triggered when states and props change.)

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src/components/ProjectExport/ExportButton.tsx line 53 at r2 (raw file):

        <LoadingButton
          loading={loading}
          disabled={loading}

Since the LoadingButton has a disabled prop, probably better to update that with loading || !exports than to conflict with it via the buttonProps.

[imnasnainaec]

Reviewed all commit messages.
Reviewable status: 1 of 2 files reviewed, 1 unresolved discussion (waiting on @andracc)

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src/components/ProjectExport/ExportButton.tsx line 43 at r2 (raw file):

Previously, imnasnainaec (D. Ror.) wrote…

Because setExports is a function that takes a boolean, you should be able to condense this to

await isFrontierNonempty(props.propjectId).then(setExports);

(There's no performance concern for updating a state to what it already is, because rerenders are only triggered when states and props change.)

One more possible simplification---since we're not doing any special error handling in this situation, the whole useEffect can be:

  useEffect(() => {
    isFrontierNonempty(props.projectId).then(setExports);
  }, [props.projectId]);

Also, we want the second argument: [props.projectId]. That dependency array makes the useEffect only re-run when the projectId changes (e.g., when the user switches projects from within the project settings).

[imnasnainaec]

Reviewed 1 of 1 files at r4, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @andracc)