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App.svelte
LoadingIndicator.svelte
promiser.js
<script>
import promiser from './promiser.js'
import LoadingIndicator from './LoadingIndicator.svelte'
let loading = false

async function login(){
return await new Promise(resolve => setTimeout(resolve, 3000))
}

</script>
<div class="form">
<button on:click={()=>promiser(login(), status => loading = status)}>
Click me
</button>
{#if loading}
<LoadingIndicator/>
{/if}
</div>
<style>
.form {
position: relative;
padding: 20px;
}
</style>
import 'svelte/internal/disclose-version';
import 'svelte/internal/flags/legacy';
import * as $ from 'svelte/internal/client';
import promiser from './promiser.js';
import LoadingIndicator from './LoadingIndicator.svelte';

var root = $.template(`<div class="form svelte-114dvxr"><button>Click me</button> <!></div>`);

export default function App($$anchor, $$props) {
$.push($$props, false);

let loading = $.mutable_state(false);

async function login() {
return await new Promise((resolve) => setTimeout(resolve, 3000));
}

$.init();

var div = root();
var button = $.child(div);
var node = $.sibling(button, 2);

{
var consequent = ($$anchor) => {
LoadingIndicator($$anchor, {});
};

$.if(node, ($$render) => {
if ($.get(loading)) $$render(consequent);
});
}

$.reset(div);
$.event('click', button, () => promiser(login(), (status) => $.set(loading, status)));
$.append($$anchor, div);
result = svelte.compile(source, {
generate: ,
});

.form.svelte-114dvxr {
position: relative;
padding: 20px;
}

		
			
				
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    }
The AST is not public API and may change at any point in time
Promise Indicator 2 • Playground • Svelte