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chore: use queue_microtask on #await again #12647

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2 changes: 1 addition & 1 deletion packages/svelte/src/internal/client/dom/blocks/await.js
Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ export function await_block(node, get_input, pending_fn, then_fn, catch_fn) {
} else {
// Wait a microtask before checking if we should show the pending state as
// the promise might have resolved by the next microtask.
Promise.resolve().then(() => {
queue_micro_task(() => {
if (!resolved) update(PENDING, true);
});
}
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
<div class="a svelte-xyz"></div>
<div class="b svelte-xyz"></div>
<div class="g svelte-xyz"></div>
<div class="h svelte-xyz"></div>
<div class="d svelte-xyz"></div>
<div class="f svelte-xyz"></div>
<div class="h svelte-xyz"></div>
Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
<script>
let promise = Promise.resolve();
</script>

<style>
.a ~ .b { color: green; }
.a ~ .c { color: green; }
Expand All @@ -16,20 +20,19 @@

<div class="a"></div>

<!-- non-promise, so that something renders initially -->
{#await true then value}
{#await promise then value}
<div class="b"></div>
{:catch error}
<div class="c"></div>
{/await}

{#await true}
{#await promise}
<div class="d"></div>
{:catch error}
<div class="e"></div>
{/await}

{#await true}
{#await promise}
<div class="f"></div>
{:then error}
<div class="g"></div>
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -5,20 +5,20 @@ export default test({
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".b ~ .c"',
start: { character: 217, column: 1, line: 13 },
end: { character: 224, column: 8, line: 13 }
start: { character: 269, column: 1, line: 15 },
end: { character: 276, column: 8, line: 15 }
},
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".c ~ .d"',
start: { character: 242, column: 1, line: 14 },
end: { character: 249, column: 8, line: 14 }
start: { character: 296, column: 1, line: 16 },
end: { character: 303, column: 8, line: 16 }
},
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".b ~ .d"',
start: { character: 267, column: 1, line: 15 },
end: { character: 274, column: 8, line: 15 }
start: { character: 323, column: 1, line: 17 },
end: { character: 330, column: 8, line: 17 }
}
]
});
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,6 @@
.a.svelte-xyz ~ .e:where(.svelte-xyz) { color: green; }

/* no match */
/* (unused) .b ~ .c { color: red; }*/
/* (unused) .c ~ .d { color: red; }*/
/* (unused) .b ~ .d { color: red; }*/
/* (unused) .b ~ .c { color: green; }*/
/* (unused) .c ~ .d { color: green; }*/
/* (unused) .b ~ .d { color: green; }*/
Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
<div class="a svelte-xyz"></div>
<div class="c svelte-xyz"></div>
<div class="e svelte-xyz"></div>
<div class="b svelte-xyz"></div>
<div class="e svelte-xyz"></div>
Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@

<script>
let promise = Promise.resolve();
</script>

<style>
.a ~ .b { color: green; }
Expand All @@ -10,15 +12,14 @@
.a ~ .e { color: green; }

/* no match */
.b ~ .c { color: red; }
.c ~ .d { color: red; }
.b ~ .d { color: red; }
.b ~ .c { color: green; }
.c ~ .d { color: green; }
.b ~ .d { color: green; }
</style>

<div class="a"></div>

<!-- non-promise, so that something renders initially -->
{#await true}
{#await promise}
<div class="b"></div>
{:then value}
<div class="c"></div>
Expand Down
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
<div class="a svelte-xyz"></div>
<div class="b svelte-xyz"></div>
<div class="g svelte-xyz"></div>
<div class="h svelte-xyz"></div>
<div class="d svelte-xyz"></div>
<div class="f svelte-xyz"></div>
<div class="h svelte-xyz"></div>
Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
<script>
let promise = Promise.resolve();
</script>

<style>
.a + .b { color: green; }
.a + .c { color: green; }
Expand All @@ -16,22 +20,21 @@

<div class="a"></div>

<!-- non-promise, so that something renders initially -->
{#await true then value}
{#await promise then value}
<div class="b"></div>
{:catch error}
<div class="c"></div>
{/await}

{#await true}
{#await promise}
<div class="d"></div>
{:catch error}
<div class="e"></div>
{/await}

{#await true}
{#await promise}
<div class="f"></div>
{:then value}
{:then error}
<div class="g"></div>
{/await}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -5,26 +5,26 @@ export default test({
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".a + .e"',
start: { character: 188, column: 1, line: 10 },
end: { character: 195, column: 8, line: 10 }
start: { character: 242, column: 1, line: 14 },
end: { character: 249, column: 8, line: 14 }
},
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".b + .c"',
start: { character: 213, column: 1, line: 11 },
end: { character: 220, column: 8, line: 11 }
start: { character: 269, column: 1, line: 15 },
end: { character: 276, column: 8, line: 15 }
},
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".c + .d"',
start: { character: 238, column: 1, line: 12 },
end: { character: 245, column: 8, line: 12 }
start: { character: 296, column: 1, line: 16 },
end: { character: 303, column: 8, line: 16 }
},
{
code: 'css_unused_selector',
message: 'Unused CSS selector ".b + .d"',
start: { character: 263, column: 1, line: 13 },
end: { character: 270, column: 8, line: 13 }
start: { character: 323, column: 1, line: 17 },
end: { character: 330, column: 8, line: 17 }
}
]
});
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
.d.svelte-xyz + .e:where(.svelte-xyz) { color: green; }

/* no match */
/* (unused) .a + .e { color: red; }*/
/* (unused) .b + .c { color: red; }*/
/* (unused) .c + .d { color: red; }*/
/* (unused) .b + .d { color: red; }*/
/* (unused) .a + .e { color: green; }*/
/* (unused) .b + .c { color: green; }*/
/* (unused) .c + .d { color: green; }*/
/* (unused) .b + .d { color: green; }*/
Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
<div class="a svelte-xyz"></div>
<div class="c svelte-xyz"></div>
<div class="e svelte-xyz"></div>
<div class="b svelte-xyz"></div>
<div class="e svelte-xyz"></div>
Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
<script>
let promise = Promise.resolve();
</script>

<style>
.a + .b { color: green; }
.a + .c { color: green; }
Expand All @@ -7,16 +11,15 @@
.d + .e { color: green; }

/* no match */
.a + .e { color: red; }
.b + .c { color: red; }
.c + .d { color: red; }
.b + .d { color: red; }
.a + .e { color: green; }
.b + .c { color: green; }
.c + .d { color: green; }
.b + .d { color: green; }
</style>

<div class="a"></div>

<!-- non-promise, so that something renders initially -->
{#await true}
{#await promise}
<div class="b"></div>
{:then value}
<div class="c"></div>
Expand Down
3 changes: 2 additions & 1 deletion packages/svelte/tests/css/test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ import * as fs from 'node:fs';
import { assert } from 'vitest';
import { compile_directory, try_read_file } from '../helpers.js';
import { assert_html_equal } from '../html_equal.js';
import { mount, unmount } from 'svelte';
import { flushSync, mount, unmount } from 'svelte';
import { suite, type BaseTest } from '../suite.js';
import type { CompileOptions, Warning } from '#compiler';

Expand Down Expand Up @@ -60,6 +60,7 @@ const { test, run } = suite<CssTest>(async (config, cwd) => {
const target = window.document.createElement('main');

const component = mount(ClientComponent, { props: config.props ?? {}, target });
flushSync();

const html = target.innerHTML;

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,10 @@ export default test({
};
},

html: `
Waiting...
`,

async test({ assert, component, target }) {
await (component.thePromise = Promise.resolve({ func: 12345 }));

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,11 @@ export default test({
return { thePromise: deferred.promise };
},

html: `
<br />
<p>the promise is pending</p>
`,

async test({ assert, component, target }) {
deferred.resolve(42);

Expand All @@ -22,7 +27,6 @@ export default test({

deferred = create_deferred();
component.thePromise = deferred.promise;
await Promise.resolve();

assert.htmlEqual(target.innerHTML, '<br /><p>the promise is pending</p>');

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@ import { test } from '../../test';
import { sleep } from './sleep.js';

export default test({
html: `
<p>loading...</p>
`,

test({ assert, target }) {
return sleep(50).then(() => {
assert.htmlEqual(
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,10 @@ export default test({
return { thePromise: deferred.promise, show: true };
},

html: `
<div><p>loading...</p></div>
`,

test({ assert, component, target }) {
deferred.resolve(42);

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,10 @@ export default test({
return { items };
},

html: `
<p>a title: loading...</p>
`,

test({ assert, target }) {
fulfil(42);

Expand Down
Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import { test } from '../../test';

export default test({
html: 'Loading...',
async test({ assert, component, target }) {
await component.test();

Expand Down
Original file line number Diff line number Diff line change
@@ -1,8 +1,9 @@
import { test } from '../../test';

export default test({
html: '<p>wait for it...</p>',
test({ assert, component, target }) {
return component.promise.then(() => {
return component.promise.then(async () => {
assert.htmlEqual(
target.innerHTML,
`
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ export default test({
});

component.promise = promise;
await Promise.resolve();

assert.htmlEqual(target.innerHTML, '<p>wait for it...</p>');

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ import { ok, test } from '../../test';

export default test({
async test({ assert, component, target }) {
assert.htmlEqual(target.innerHTML, 'Loading...');

await component.promise;
await Promise.resolve();
const span = target.querySelector('span');
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -13,11 +13,15 @@ export default test({
return { thePromise: deferred.promise };
},

html: `
<div><p>loading...</p></div>
`,

test({ assert, component, target }) {
deferred.resolve(42);

return deferred.promise
.then(async () => {
.then(() => {
assert.htmlEqual(
target.innerHTML,
`
Expand All @@ -28,7 +32,6 @@ export default test({
deferred = create_deferred();

component.thePromise = deferred.promise;
await Promise.resolve();

assert.htmlEqual(target.innerHTML, '<div><p>loading...</p></div>');

Expand Down
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