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Finalize View Transition event names (#8181)

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* Finalize View Transition event names

* Use hyphenated names
This commit is contained in:
Matthew Phillips 2023-08-24 14:44:48 -04:00 committed by GitHub
parent d87837e32b
commit a8f35777e7
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 15 additions and 10 deletions
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5
.changeset/proud-fans-type.md Normal file
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@ -0,0 +1,5 @@
---
'astro': minor
---
Finalize View Transition event names

10
packages/astro/components/ViewTransitions.astro
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@ -17,14 +17,14 @@ const { fallback = 'animate' } = Astro.props as Props;
index: number;
scrollY: number;
};
type Events = 'astro:load' | 'astro:beforeload';
type Events = 'astro:page-load' | 'astro:after-swap';
const persistState = (state: State) => history.replaceState(state, '');
const supportsViewTransitions = !!document.startViewTransition;
const transitionEnabledOnThisPage = () =>
!!document.querySelector('[name="astro-view-transitions-enabled"]');
const triggerEvent = (name: Events) => document.dispatchEvent(new Event(name));
const onload = () => triggerEvent('astro:load');
const onPageLoad = () => triggerEvent('astro:page-load');
const PERSIST_ATTR = 'data-astro-transition-persist';
// The History API does not tell you if navigation is forward or back, so
@ -193,7 +193,7 @@ const { fallback = 'animate' } = Astro.props as Props;
scrollTo(0, state.scrollY); // usings default scrollBehavior
}
triggerEvent('astro:beforeload');
triggerEvent('astro:after-swap');
};
// Wait on links to finish, to prevent FOUC
@ -263,7 +263,7 @@ const { fallback = 'animate' } = Astro.props as Props;
// document.documentElement.removeAttribute('data-astro-transition');
await runScripts();
markScriptsExec();
onload();
onPageLoad();
}
}
@ -383,7 +383,7 @@ const { fallback = 'animate' } = Astro.props as Props;
{ passive: true, capture: true }
);
});
addEventListener('load', onload);
addEventListener('load', onPageLoad);
// There's not a good way to record scroll position before a back button.
// So the way we do it is by listening to scroll and just continuously recording it.
addEventListener(

2
packages/astro/e2e/fixtures/view-transitions/src/components/DarkMode.astro
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@ -6,7 +6,7 @@
}
toggle();
document.addEventListener('astro:beforeload', () => {
document.addEventListener('astro:after-swap', () => {
toggle();
})
</script>

2
packages/astro/e2e/fixtures/view-transitions/src/pages/two.astro
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@ -6,7 +6,7 @@ import Layout from '../components/Layout.astro';
<article id="twoarticle"></article>
</Layout>
<script>
document.addEventListener('astro:load', () => {
document.addEventListener('astro:page-load', () => {
document.getElementById('twoarticle')!.textContent = 'works';
}, { once: true });
</script>

6
packages/astro/e2e/view-transitions.test.js
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@ -181,7 +181,7 @@ test.describe('View Transitions', () => {
await expect(p, 'imported CSS updated').toHaveCSS('font-size', '24px');
});
test('astro:load event fires when navigating to new page', async ({ page, astro }) => {
test('astro:page-load event fires when navigating to new page', async ({ page, astro }) => {
// Go to page 1
await page.goto(astro.resolveUrl('/one'));
const p = page.locator('#one');
@ -193,14 +193,14 @@ test.describe('View Transitions', () => {
await expect(article, 'should have script content').toHaveText('works');
});
test('astro:load event fires when navigating directly to a page', async ({ page, astro }) => {
test('astro:page-load event fires when navigating directly to a page', async ({ page, astro }) => {
// Go to page 2
await page.goto(astro.resolveUrl('/two'));
const article = page.locator('#twoarticle');
await expect(article, 'should have script content').toHaveText('works');
});
test('astro:beforeload event fires right before the swap', async ({ page, astro }) => {
test('astro:after-swap event fires right after the swap', async ({ page, astro }) => {
// Go to page 1
await page.goto(astro.resolveUrl('/one'));
let p = page.locator('#one');