Svelte: Fix Cannot read property '__docgen' of undefined #14383
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shilman
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Issue: storybookjs/addon-svelte-csf#15
When a svelte stories doesn't set the component in the default export (or with in addon-svelte-csf), then the stories doesn't show with "Cannot read property '__docgen' of undefined"
What I did
The svelte source decorators was using the component without checking if it's set or not. I have added a null check here.
How to test