The introduction, in your browser

Try the examples.

Click a counter, choose a loading state, swap an editor, or try saving an empty title.

Counter

Click the button. Each click updates state in a Lean component, rendered by React.

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Loading states

Choose a state to see what the ticket list shows. Try Empty and Failure: they tell two different stories.

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Swap editors

Edit the title, then switch to a textarea. The text you typed stays with the parent component.

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Form validation

Clear the title and try to save. Then type a new title and save again.

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