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abstracting the xstate towards a more generic flow

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Samuel Andert
2023-07-30 12:40:00 +02:00
parent 7cd7506e1d
commit 61cb8c8bc3
1 changed files with 147 additions and 92 deletions
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133
src/lib/components/examples/Recipies.svelte
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@@ -36,13 +36,26 @@
initial: 'start',
context: {
name: '',
email: ''
email: '',
constraints: {} // <- New addition
},
states: {
start: {
meta: {
title: 'Welcome!',
description: 'Start your registration process by clicking next.'
},
on: { NEXT: 'nameInput' }
},
nameInput: {
meta: {
title: 'Name Input',
description: 'Please enter your name.',
fieldLabel: 'Name'
},
entry: assign({
constraints: (context) => constraints.name || {}
}),
on: {
NEXT: {
target: 'emailInput',
@@ -52,6 +65,14 @@
}
},
emailInput: {
meta: {
title: 'Email Input',
description: 'Please enter your email address.',
fieldLabel: 'Email'
},
entry: assign({
constraints: (context) => constraints.email || {}
}),
on: {
NEXT: {
target: 'summary',
@@ -61,19 +82,45 @@
}
},
summary: {
meta: {
title: 'Summary',
description: 'Review your details before submission.'
},
on: {
SUBMIT: 'submitting'
}
},
submitting: {
meta: {
title: 'Submitting...'
},
invoke: {
src: 'createUserService',
onDone: 'success',
onError: 'failure'
onError: {
target: 'failure',
actions: assign({
error: (context, event) => event.data
})
}
}
},
success: {},
failure: {}
success: {
meta: {
title: 'Success'
},
on: {
RESTART: 'start'
}
},
failure: {
meta: {
title: 'Submission Failed'
},
on: {
RESTART: 'start'
}
}
}
},
{
@@ -86,7 +133,10 @@
})
},
services: {
createUserService: (context) => createUser(context.name, context.email)
createUserService: (context) => {
console.log('Attempting to create user...');
return createUser(context.name, context.email);
}
}
}
);
@@ -100,24 +150,30 @@
</script>
<main>
<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 : ''}
</p>
{#if $state.value === 'start'}
<!-- Step 1 -->
<div>
<h1 class="text-2xl">Step 1 - Start</h1>
<button class="px-4 py-2 mt-4 text-white bg-blue-500 rounded" on:click={() => send('NEXT')}>
Next
</button>
</div>
{:else if $state.value === 'nameInput'}
<!-- Step 2 -->
<div>
<h1 class="text-2xl">Step 2 - Name Input</h1>
<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>
{:else}
<label for="name" class="block mb-2 font-semibold text-white">Name</label>
<label for="name" class="block mb-2 font-semibold text-white"
>{$state.value in stateMachine.states
? stateMachine.states[$state.value].meta.fieldLabel
: ''}</label
>
{/if}
<input
@@ -126,7 +182,7 @@
class="w-full px-3 py-2 bg-transparent border-gray-100 rounded-md border-1 ring-0 ring-white focus:outline-none focus:ring-2 focus:ring-blue-500"
bind:value={$form.name}
aria-invalid={$errors.name ? 'true' : undefined}
{...constraints.name}
{...$state.context.constraints}
/>
</div>
<button
@@ -138,16 +194,17 @@
Next
</button>
</form>
</div>
{:else if $state.value === 'emailInput'}
<div>
<h1 class="text-2xl">Step 3 - Email Input</h1>
<form on:submit|preventDefault={handleSubmit} class="w-full max-w-md">
<div class="mb-4">
{#if $errors.email}
<span class="block mb-2 font-semibold text-red-500">{$errors.email}</span>
{:else}
<label for="email" class="block mb-2 font-semibold text-white">Email</label>
<label for="email" class="block mb-2 font-semibold text-white"
>{$state.value in stateMachine.states
? stateMachine.states[$state.value].meta.fieldLabel
: ''}</label
>
{/if}
<input
@@ -156,7 +213,7 @@
class="w-full px-3 py-2 bg-transparent border-gray-100 rounded-md border-1 ring-0 ring-white focus:outline-none focus:ring-2 focus:ring-blue-500"
bind:value={$form.email}
aria-invalid={$errors.email ? 'true' : undefined}
{...constraints.email}
{...$state.context.constraints}
/>
</div>
<button
@@ -168,33 +225,31 @@
Next
</button>
</form>
</div>
<!-- Add a Summary Section -->
{:else if $state.value === 'summary'}
<div>
<h1 class="text-2xl">Summary</h1>
<p>Name: {$form.name}</p>
<p>Email: {$form.email}</p>
<button class="px-4 py-2 mt-4 text-white bg-blue-500 rounded" on:click={() => send('SUBMIT')}>
<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>
</div>
{:else if $state.value === 'submitting'}
<div>
<h1 class="text-2xl">Submitting...</h1>
</div>
<!-- You can optionally add a spinner or some visual indication here -->
{:else if $state.value === 'success'}
<div>
<h1 class="text-2xl">User created successfully!</h1>
<!-- You can add a button to reset the form or navigate to another page -->
</div>
{:else if $state.value === 'failure'}
<div>
<h1 class="text-2xl">Failed to create user. Please try again.</h1>
<button class="px-4 py-2 mt-4 text-white bg-red-500 rounded" on:click={() => send('SUBMIT')}>
Retry
<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>
</div>
{/if}
</main>