Further improved the dynamic action area renderering

src/lib/components/examples/Recipies.svelte

@@ -5,6 +5,7 @@
 	import { TreeSchema } from '$lib/types/TreeSchema';
 	import { writable, get } from 'svelte/store';
 	import { createUser } from './userService';
+	import { derived } from 'svelte/store';
 
 	const initialFormData = { name: '', age: '' };
 
@@ -150,27 +151,29 @@
 	const { state, send } = useMachine(stateMachine);
 
 	$: {
-		// Reactively update the form validation status based on the errors
 		isFormValid.set(Object.keys(get(errors)).length === 0);
 	}
+
+	const possibleActions = derived(state, ($state) =>
+		Object.keys(stateMachine.states[$state.value]?.on || {})
+	);
 </script>
 
-<main>
+<main class="flex items-center justify-center w-full h-full">
+	<div class="w-full max-w-lg">
 		<h1 class="text-2xl">
 			{$state.value in stateMachine.states && stateMachine.states[$state.value].meta
 				? stateMachine.states[$state.value].meta.title
 				: 'Unknown state'}
 		</h1>
 		<p>
-		{$state.value in stateMachine.states ? stateMachine.states[$state.value].meta.description : ''}
+			{$state.value in stateMachine.states
+				? stateMachine.states[$state.value].meta.description
+				: ''}
 		</p>
 
-	{#if $state.value === 'start'}
+		{#if $state.value === 'start'}Welcome{:else if $state.value === 'name'}
-		<button class="px-4 py-2 mt-4 text-white bg-blue-500 rounded" on:click={() => send('NEXT')}>
+			<form on:submit|preventDefault={handleSubmit} class="w-full max-w-lg">
-			Next
-		</button>
-	{:else if $state.value === 'name'}
-		<form on:submit|preventDefault={handleSubmit} class="w-full max-w-md">
 				<div class="mb-4">
 					{#if $errors.name}
 						<span class="block mb-2 font-semibold text-red-500">{$errors.name}</span>
@@ -191,17 +194,9 @@
 						{...$state.context.constraints}
 					/>
 				</div>
-			<button
-				type="submit"
-				class="w-full px-4 py-2 mt-4 text-white bg-blue-500 rounded-md hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-blue-500"
-				disabled={$errors.name}
-				on:click={() => send('NEXT')}
-			>
-				Next
-			</button>
 			</form>
 		{:else if $state.value === 'email'}
-		<form on:submit|preventDefault={handleSubmit} class="w-full max-w-md">
+			<form on:submit|preventDefault={handleSubmit} class="w-full max-w-lg">
 				<div class="mb-4">
 					{#if $errors.email}
 						<span class="block mb-2 font-semibold text-red-500">{$errors.email}</span>
@@ -222,55 +217,57 @@
 						{...$state.context.constraints}
 					/>
 				</div>
-			<button
-				type="submit"
-				class="w-full px-4 py-2 mt-4 text-white bg-blue-500 rounded-md hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-blue-500"
-				disabled={$errors.email}
-				on:click={() => send('NEXT')}
-			>
-				Next
-			</button>
 			</form>
 		{:else if $state.value === 'summary'}
 			<p>Name: {$form.name}</p>
 			<p>Email: {$form.email}</p>
-		<button
-			class="px-4 py-2 mt-4 text-white bg-blue-500 rounded"
-			on:click={() => {
-				console.log('Submit button clicked');
-				send('SUBMIT');
-			}}
-		>
-			Submit
-		</button>
 		{:else if $state.value === 'submitting'}
-		<!-- You can optionally add a spinner or some visual indication here -->
+			Add spinner here
 		{:else if $state.value === 'success'}
 			<p>Thank you for your submission!</p>
-		<button class="px-4 py-2 mt-4 text-white bg-green-500 rounded" on:click={() => send('RESTART')}>
-			Start Again
-		</button>
 		{:else if $state.value === 'failure'}
 			<p class="text-red-500">
 				Error: {$state.context.error?.message || 'An unknown error occurred.'}
 			</p>
-		<button class="px-4 py-2 mt-4 text-white bg-red-500 rounded" on:click={() => send('RESTART')}>
-			Try Again
-		</button>
 		{/if}
-</main>
+		{#if possibleActions}
-
+			<div class="flex justify-between">
-<!-- this is our new button -->
+				{#each $possibleActions as action (action)}
-<div>
+					{#if action === 'BACK'}
-	{#if $state.value in stateMachine.states && stateMachine.states[$state.value].on.NEXT}
 						<button
 							class="px-4 py-2 mt-4 text-white bg-blue-500 rounded"
-			on:click={() => send('NEXT')}
+							on:click={() => send(action)}
-			disabled={$errors[$state.value]}
+						>
+							{action}
+						</button>
+					{/if}
+				{/each}
+
+				{#each $possibleActions as action (action)}
+					{#if action !== 'NEXT' && action !== 'BACK'}
+						<button
+							class="px-4 py-2 mx-auto mt-4 text-white bg-blue-500 rounded"
+							on:click={() => send(action)}
+						>
+							{action}
+						</button>
+					{/if}
+				{/each}
+
+				{#each $possibleActions as action (action)}
+					{#if action === 'NEXT'}
+						<button
+							class="px-4 py-2 mt-4 text-white bg-blue-500 rounded"
+							on:click={() => send(action)}
+							disabled={$errors[$state.value] || $state.context.constraints[$state.value]}
 						>
 							{$state.value in stateMachine.states
 								? stateMachine.states[$state.value].meta.buttonLabel
 								: ''}
 						</button>
 					{/if}
-</div>
+				{/each}
+			</div>
+		{/if}
+	</div>
+</main>