From 7a6ca236e8a1fbf9fb2a37108bd4517bc00daac6 Mon Sep 17 00:00:00 2001
From: matthewp <matthewp@users.noreply.github.com>
Date: Wed, 19 Jul 2023 19:21:13 +0000
Subject: [PATCH] [ci] format

---
 .../astro/components/ViewTransitions.astro    | 141 ++++++++++--------
 packages/astro/components/viewtransitions.css |  24 ++-
 packages/astro/e2e/view-transitions.test.js   |  18 ++-
 packages/astro/src/@types/astro.ts            |  10 +-
 packages/astro/src/core/config/schema.ts      |   5 +-
 packages/astro/src/core/create-vite.ts        |   2 +-
 .../src/runtime/server/astro-component.ts     |   8 +-
 packages/astro/src/runtime/server/index.ts    |   2 +-
 .../astro/src/runtime/server/transition.ts    |  62 ++++----
 packages/astro/src/transitions/index.ts       |  64 ++++----
 .../transitions/vite-plugin-transitions.ts    |   8 +-
 .../test/units/compile/invalid-css.test.js    |   2 +-
 12 files changed, 198 insertions(+), 148 deletions(-)

diff --git a/packages/astro/components/ViewTransitions.astro b/packages/astro/components/ViewTransitions.astro
index 100ee43bd..f94383f4d 100644
--- a/packages/astro/components/ViewTransitions.astro
+++ b/packages/astro/components/ViewTransitions.astro
@@ -7,8 +7,9 @@ export interface Props {
 
 const { fallback = 'animate' } = Astro.props as Props;
 ---
-<meta name="astro-view-transitions-enabled" content="true">
-<meta name="astro-view-transitions-fallback" content={fallback}>
+
+<meta name="astro-view-transitions-enabled" content="true" />
+<meta name="astro-view-transitions-fallback" content={fallback} />
 <script>
 	type Fallback = 'none' | 'animate' | 'swap';
 	type Direction = 'forward' | 'back';
@@ -17,22 +18,23 @@ const { fallback = 'animate' } = Astro.props as Props;
 	// you can figure it using an index. On pushState the index is incremented so you
 	// can use that to determine popstate if going forward or back.
 	let currentHistoryIndex = history.state?.index || 0;
-	if(!history.state) {
-		history.replaceState({index: currentHistoryIndex}, document.title);
+	if (!history.state) {
+		history.replaceState({ index: currentHistoryIndex }, document.title);
 	}
 
 	const supportsViewTransitions = !!document.startViewTransition;
-	const transitionEnabledOnThisPage = () => !!document.querySelector('[name="astro-view-transitions-enabled"]');
+	const transitionEnabledOnThisPage = () =>
+		!!document.querySelector('[name="astro-view-transitions-enabled"]');
 
-  async function getHTML(href: string) {
-    const res = await fetch(href)
-    const html = await res.text();
+	async function getHTML(href: string) {
+		const res = await fetch(href);
+		const html = await res.text();
 		return { ok: res.ok, html };
-  }
+	}
 
 	function getFallback(): Fallback {
 		const el = document.querySelector('[name="astro-view-transitions-fallback"]');
-		if(el) {
+		if (el) {
 			return el.getAttribute('content') as Fallback;
 		}
 		return 'animate';
@@ -40,14 +42,14 @@ const { fallback = 'animate' } = Astro.props as Props;
 
 	const parser = new DOMParser();
 
-  async function updateDOM(dir: Direction, html: string, fallback?: Fallback) {
-    const doc = parser.parseFromString(html, 'text/html');
+	async function updateDOM(dir: Direction, html: string, fallback?: Fallback) {
+		const doc = parser.parseFromString(html, 'text/html');
 		doc.documentElement.dataset.astroTransition = dir;
 		const swap = () => document.documentElement.replaceWith(doc.documentElement);
 
-		if(fallback === 'animate') {
+		if (fallback === 'animate') {
 			let isAnimating = false;
-			addEventListener('animationstart', () => isAnimating = true, { once: true });
+			addEventListener('animationstart', () => (isAnimating = true), { once: true });
 
 			// Trigger the animations
 			document.documentElement.dataset.astroTransitionFallback = 'old';
@@ -61,17 +63,17 @@ const { fallback = 'animate' } = Astro.props as Props;
 		} else {
 			swap();
 		}
-  }
+	}
 
 	async function navigate(dir: Direction, href: string) {
 		let finished: Promise<void>;
 		const { html, ok } = await getHTML(href);
 		// If there is a problem fetching the new page, just do an MPA navigation to it.
-		if(!ok) {
+		if (!ok) {
 			location.href = href;
 			return;
 		}
-		if(supportsViewTransitions) {
+		if (supportsViewTransitions) {
 			finished = document.startViewTransition(() => updateDOM(dir, html)).finished;
 		} else {
 			finished = updateDOM(dir, html, getFallback());
@@ -83,12 +85,12 @@ const { fallback = 'animate' } = Astro.props as Props;
 		}
 	}
 
-		// Prefetching
+	// Prefetching
 	function maybePrefetch(pathname: string) {
-		if(document.querySelector(`link[rel=prefetch][href="${pathname}"]`)) return;
-		if(navigator.connection){
+		if (document.querySelector(`link[rel=prefetch][href="${pathname}"]`)) return;
+		if (navigator.connection) {
 			let conn = navigator.connection;
-			if(conn.saveData || /(2|3)g/.test(conn.effectiveType || '')) return;
+			if (conn.saveData || /(2|3)g/.test(conn.effectiveType || '')) return;
 		}
 		let link = document.createElement('link');
 		link.setAttribute('rel', 'prefetch');
@@ -96,51 +98,60 @@ const { fallback = 'animate' } = Astro.props as Props;
 		document.head.append(link);
 	}
 
-	if(supportsViewTransitions || getFallback() !== 'none') {
+	if (supportsViewTransitions || getFallback() !== 'none') {
 		document.addEventListener('click', (ev) => {
-		let link = ev.target;
-		if(link instanceof Element && link.tagName !== 'A') {
-			link = link.closest('a');
-		}
-		// This check verifies that the click is happening on an anchor
-		// that is going to another page within the same origin. Basically it determines
-		// same-origin navigation, but omits special key combos for new tabs, etc.
-		if (link &&
-			link instanceof HTMLAnchorElement &&
-			link.href &&
-			(!link.target || link.target === '_self') &&
-			link.origin === location.origin &&
-			ev.button === 0 && // left clicks only
-			!ev.metaKey && // new tab (mac)
-			!ev.ctrlKey && // new tab (windows)
-			!ev.altKey && // download
-			!ev.shiftKey &&
-			!ev.defaultPrevented &&
-			transitionEnabledOnThisPage()
-			) {
-			ev.preventDefault();
-    	navigate('forward', link.href);
-			currentHistoryIndex++;
-			history.pushState({index: currentHistoryIndex}, '', link.href);
-		}
-  });
-	window.addEventListener('popstate', () => {
-		if(!transitionEnabledOnThisPage()) return;
-		const nextIndex = history.state?.index ?? (currentHistoryIndex + 1);
-		const direction: Direction = nextIndex > currentHistoryIndex ? 'forward' : 'back';
-		navigate(direction, location.href);
-		currentHistoryIndex = nextIndex;
-	});
-
-	['mouseenter', 'touchstart', 'focus'].forEach(evName => {
-		document.addEventListener(evName, ev => {
-			if(ev.target instanceof HTMLAnchorElement) {
-				let el = ev.target;
-				if(el.origin === location.origin && el.pathname !== location.pathname && transitionEnabledOnThisPage()) {
-					maybePrefetch(el.pathname);
-				}
+			let link = ev.target;
+			if (link instanceof Element && link.tagName !== 'A') {
+				link = link.closest('a');
 			}
-		}, { passive: true, capture: true });
-	});
+			// This check verifies that the click is happening on an anchor
+			// that is going to another page within the same origin. Basically it determines
+			// same-origin navigation, but omits special key combos for new tabs, etc.
+			if (
+				link &&
+				link instanceof HTMLAnchorElement &&
+				link.href &&
+				(!link.target || link.target === '_self') &&
+				link.origin === location.origin &&
+				ev.button === 0 && // left clicks only
+				!ev.metaKey && // new tab (mac)
+				!ev.ctrlKey && // new tab (windows)
+				!ev.altKey && // download
+				!ev.shiftKey &&
+				!ev.defaultPrevented &&
+				transitionEnabledOnThisPage()
+			) {
+				ev.preventDefault();
+				navigate('forward', link.href);
+				currentHistoryIndex++;
+				history.pushState({ index: currentHistoryIndex }, '', link.href);
+			}
+		});
+		window.addEventListener('popstate', () => {
+			if (!transitionEnabledOnThisPage()) return;
+			const nextIndex = history.state?.index ?? currentHistoryIndex + 1;
+			const direction: Direction = nextIndex > currentHistoryIndex ? 'forward' : 'back';
+			navigate(direction, location.href);
+			currentHistoryIndex = nextIndex;
+		});
+
+		['mouseenter', 'touchstart', 'focus'].forEach((evName) => {
+			document.addEventListener(
+				evName,
+				(ev) => {
+					if (ev.target instanceof HTMLAnchorElement) {
+						let el = ev.target;
+						if (
+							el.origin === location.origin &&
+							el.pathname !== location.pathname &&
+							transitionEnabledOnThisPage()
+						) {
+							maybePrefetch(el.pathname);
+						}
+					}
+				},
+				{ passive: true, capture: true }
+			);
+		});
 	}
 </script>
diff --git a/packages/astro/components/viewtransitions.css b/packages/astro/components/viewtransitions.css
index 296c97c2b..3b6733182 100644
--- a/packages/astro/components/viewtransitions.css
+++ b/packages/astro/components/viewtransitions.css
@@ -8,25 +8,37 @@
 }
 
 @keyframes astroFadeIn {
-	from { opacity: 0; }
+	from {
+		opacity: 0;
+	}
 }
 
 @keyframes astroFadeOut {
-	to { opacity: 0; }
+	to {
+		opacity: 0;
+	}
 }
 
 @keyframes astroSlideFromRight {
-	from { transform: translateX(100%); }
+	from {
+		transform: translateX(100%);
+	}
 }
 
 @keyframes astroSlideFromLeft {
-	from { transform: translateX(-100%); }
+	from {
+		transform: translateX(-100%);
+	}
 }
 
 @keyframes astroSlideToRight {
-	to { transform: translateX(100%); }
+	to {
+		transform: translateX(100%);
+	}
 }
 
 @keyframes astroSlideToLeft {
-	to { transform: translateX(-100%); }
+	to {
+		transform: translateX(-100%);
+	}
 }
diff --git a/packages/astro/e2e/view-transitions.test.js b/packages/astro/e2e/view-transitions.test.js
index 474424182..f42e21d12 100644
--- a/packages/astro/e2e/view-transitions.test.js
+++ b/packages/astro/e2e/view-transitions.test.js
@@ -16,7 +16,7 @@ test.afterAll(async () => {
 test.describe('View Transitions', () => {
 	test('Moving from page 1 to page 2', async ({ page, astro }) => {
 		const loads = [];
-		page.addListener('load', p => {
+		page.addListener('load', (p) => {
 			loads.push(p.title());
 		});
 
@@ -35,7 +35,7 @@ test.describe('View Transitions', () => {
 
 	test('Back button is captured', async ({ page, astro }) => {
 		const loads = [];
-		page.addListener('load', p => {
+		page.addListener('load', (p) => {
 			loads.push(p.title());
 		});
 
@@ -59,7 +59,7 @@ test.describe('View Transitions', () => {
 
 	test('Clicking on a link with nested content', async ({ page, astro }) => {
 		const loads = [];
-		page.addListener('load', p => {
+		page.addListener('load', (p) => {
 			loads.push(p.title());
 		});
 
@@ -76,9 +76,12 @@ test.describe('View Transitions', () => {
 		expect(loads.length, 'There should only be 1 page load').toEqual(1);
 	});
 
-	test('Moving from a page without ViewTransitions triggers a full page navigation', async ({ page, astro }) => {
+	test('Moving from a page without ViewTransitions triggers a full page navigation', async ({
+		page,
+		astro,
+	}) => {
 		const loads = [];
-		page.addListener('load', p => {
+		page.addListener('load', (p) => {
 			loads.push(p.title());
 		});
 
@@ -96,6 +99,9 @@ test.describe('View Transitions', () => {
 		p = page.locator('#two');
 		await expect(p, 'should have content').toHaveText('Page 2');
 
-		expect(loads.length, 'There should be 2 page loads. The original, then going from 3 to 2').toEqual(2);
+		expect(
+			loads.length,
+			'There should be 2 page loads. The original, then going from 3 to 2'
+		).toEqual(2);
 	});
 });
diff --git a/packages/astro/src/@types/astro.ts b/packages/astro/src/@types/astro.ts
index 3c171822c..cab483b77 100644
--- a/packages/astro/src/@types/astro.ts
+++ b/packages/astro/src/@types/astro.ts
@@ -56,10 +56,10 @@ export interface AstroBuiltinProps {
 }
 
 export interface TransitionAnimation {
-  name: string; // The name of the keyframe
-  delay?: number | string;
-  duration?: number | string;
-  easing?: string;
+	name: string; // The name of the keyframe
+	delay?: number | string;
+	duration?: number | string;
+	easing?: string;
 	fillMode?: string;
 	direction?: string;
 }
@@ -1270,7 +1270,7 @@ export interface AstroUserConfig {
 		 * }
 		 * ```
 		 */
-		 viewTransitions?: boolean;
+		viewTransitions?: boolean;
 	};
 
 	// Legacy options to be removed
diff --git a/packages/astro/src/core/config/schema.ts b/packages/astro/src/core/config/schema.ts
index 99c839a6d..34c1e5549 100644
--- a/packages/astro/src/core/config/schema.ts
+++ b/packages/astro/src/core/config/schema.ts
@@ -233,7 +233,10 @@ export const AstroConfigSchema = z.object({
 	experimental: z
 		.object({
 			assets: z.boolean().optional().default(ASTRO_CONFIG_DEFAULTS.experimental.assets),
-			viewTransitions: z.boolean().optional().default(ASTRO_CONFIG_DEFAULTS.experimental.viewTransitions),
+			viewTransitions: z
+				.boolean()
+				.optional()
+				.default(ASTRO_CONFIG_DEFAULTS.experimental.viewTransitions),
 		})
 		.passthrough()
 		.refine(
diff --git a/packages/astro/src/core/create-vite.ts b/packages/astro/src/core/create-vite.ts
index 658648e3e..c0b989b77 100644
--- a/packages/astro/src/core/create-vite.ts
+++ b/packages/astro/src/core/create-vite.ts
@@ -11,6 +11,7 @@ import {
 	astroContentImportPlugin,
 	astroContentVirtualModPlugin,
 } from '../content/index.js';
+import astroTransitions from '../transitions/vite-plugin-transitions.js';
 import astroPostprocessVitePlugin from '../vite-plugin-astro-postprocess/index.js';
 import { vitePluginAstroServer } from '../vite-plugin-astro-server/index.js';
 import astroVitePlugin from '../vite-plugin-astro/index.js';
@@ -27,7 +28,6 @@ import astroScannerPlugin from '../vite-plugin-scanner/index.js';
 import astroScriptsPlugin from '../vite-plugin-scripts/index.js';
 import astroScriptsPageSSRPlugin from '../vite-plugin-scripts/page-ssr.js';
 import { vitePluginSSRManifest } from '../vite-plugin-ssr-manifest/index.js';
-import astroTransitions from '../transitions/vite-plugin-transitions.js';
 import { joinPaths } from './path.js';
 
 interface CreateViteOptions {
diff --git a/packages/astro/src/runtime/server/astro-component.ts b/packages/astro/src/runtime/server/astro-component.ts
index aa205d790..57f2d3c3b 100644
--- a/packages/astro/src/runtime/server/astro-component.ts
+++ b/packages/astro/src/runtime/server/astro-component.ts
@@ -7,7 +7,11 @@ function validateArgs(args: unknown[]): args is Parameters<AstroComponentFactory
 	if (!args[0] || typeof args[0] !== 'object') return false;
 	return true;
 }
-function baseCreateComponent(cb: AstroComponentFactory, moduleId?: string, propagation?: PropagationHint): AstroComponentFactory {
+function baseCreateComponent(
+	cb: AstroComponentFactory,
+	moduleId?: string,
+	propagation?: PropagationHint
+): AstroComponentFactory {
 	const name = moduleId?.split('/').pop()?.replace('.astro', '') ?? '';
 	const fn = (...args: Parameters<AstroComponentFactory>) => {
 		if (!validateArgs(args)) {
@@ -40,7 +44,7 @@ function createComponentWithOptions(opts: CreateComponentOptions) {
 export function createComponent(
 	arg1: AstroComponentFactory | CreateComponentOptions,
 	moduleId?: string,
-	propagation?: PropagationHint,
+	propagation?: PropagationHint
 ) {
 	if (typeof arg1 === 'function') {
 		return baseCreateComponent(arg1, moduleId, propagation);
diff --git a/packages/astro/src/runtime/server/index.ts b/packages/astro/src/runtime/server/index.ts
index 08a205e05..4670a3e87 100644
--- a/packages/astro/src/runtime/server/index.ts
+++ b/packages/astro/src/runtime/server/index.ts
@@ -33,13 +33,13 @@ export {
 	stringifyChunk,
 	voidElementNames,
 } from './render/index.js';
-export { renderTransition } from './transition.js';
 export type {
 	AstroComponentFactory,
 	AstroComponentInstance,
 	ComponentSlots,
 	RenderInstruction,
 } from './render/index.js';
+export { renderTransition } from './transition.js';
 
 import { markHTMLString } from './escape.js';
 import { addAttribute, Renderer } from './render/index.js';
diff --git a/packages/astro/src/runtime/server/transition.ts b/packages/astro/src/runtime/server/transition.ts
index 98149e38a..253a861f9 100644
--- a/packages/astro/src/runtime/server/transition.ts
+++ b/packages/astro/src/runtime/server/transition.ts
@@ -1,16 +1,16 @@
 import type {
 	SSRResult,
 	TransitionAnimation,
-	TransitionDirectionalAnimations,
 	TransitionAnimationValue,
+	TransitionDirectionalAnimations,
 } from '../../@types/astro';
+import { fade, slide } from '../../transitions/index.js';
 import { markHTMLString } from './escape.js';
-import { slide, fade } from '../../transitions/index.js';
 
 const transitionNameMap = new WeakMap<SSRResult, number>();
 function incrementTransitionNumber(result: SSRResult) {
 	let num = 1;
-	if(transitionNameMap.has(result)) {
+	if (transitionNameMap.has(result)) {
 		num = transitionNameMap.get(result)! + 1;
 	}
 	transitionNameMap.set(result, num);
@@ -21,9 +21,14 @@ function createTransitionScope(result: SSRResult, hash: string) {
 	const num = incrementTransitionNumber(result);
 	return `astro-${hash}-${num}`;
 }
-export function renderTransition(result: SSRResult, hash: string, animationName: TransitionAnimationValue | undefined, transitionName: string) {
+export function renderTransition(
+	result: SSRResult,
+	hash: string,
+	animationName: TransitionAnimationValue | undefined,
+	transitionName: string
+) {
 	let animations: TransitionDirectionalAnimations | null = null;
-	switch(animationName) {
+	switch (animationName) {
 		case 'fade': {
 			animations = fade();
 			break;
@@ -33,7 +38,7 @@ export function renderTransition(result: SSRResult, hash: string, animationName:
 			break;
 		}
 		default: {
-			if(typeof animationName === 'object') {
+			if (typeof animationName === 'object') {
 				animations = animationName;
 			}
 		}
@@ -42,16 +47,18 @@ export function renderTransition(result: SSRResult, hash: string, animationName:
 	const scope = createTransitionScope(result, hash);
 
 	// Default transition name is the scope of the element, ie HASH-1
-	if(!transitionName) {
+	if (!transitionName) {
 		transitionName = scope;
 	}
 
 	const styles = markHTMLString(`<style>[data-astro-transition-scope="${scope}"] {
 	view-transition-name: ${transitionName};
 }
-	${!animations ? `` :
-// Regular animations
-`
+	${
+		!animations
+			? ``
+			: // Regular animations
+			  `
 ::view-transition-old(${transitionName}) {
 	${stringifyAnimation(animations.forwards.old)}
 }
@@ -79,8 +86,9 @@ export function renderTransition(result: SSRResult, hash: string, animationName:
 [data-astro-transition=back][data-astro-transition-fallback=new] [data-astro-transition-scope="${scope}"] {
 	${stringifyAnimation(animations.backwards.new)}
 }
-	`.trim()}
-	</style>`)
+	`.trim()
+	}
+	</style>`);
 
 	result._metadata.extraHead.push(styles);
 
@@ -89,12 +97,12 @@ export function renderTransition(result: SSRResult, hash: string, animationName:
 
 type AnimationBuilder = {
 	toString(): string;
-	[key: string]: string[] | ((k: string) => string);	
-}
+	[key: string]: string[] | ((k: string) => string);
+};
 
 function addAnimationProperty(builder: AnimationBuilder, prop: string, value: string | number) {
 	let arr = builder[prop];
-	if(Array.isArray(arr)) {
+	if (Array.isArray(arr)) {
 		arr.push(value.toString());
 	} else {
 		builder[prop] = [value.toString()];
@@ -105,19 +113,19 @@ function animationBuilder(): AnimationBuilder {
 	return {
 		toString() {
 			let out = '';
-			for(let k in this) {
+			for (let k in this) {
 				let value = this[k];
-				if(Array.isArray(value)) {
-					out += `\n\t${k}: ${value.join(', ')};`
+				if (Array.isArray(value)) {
+					out += `\n\t${k}: ${value.join(', ')};`;
 				}
 			}
 			return out;
-		}
+		},
 	};
 }
 
 function stringifyAnimation(anim: TransitionAnimation | TransitionAnimation[]): string {
-	if(Array.isArray(anim)) {
+	if (Array.isArray(anim)) {
 		return stringifyAnimations(anim);
 	} else {
 		return stringifyAnimations([anim]);
@@ -127,26 +135,26 @@ function stringifyAnimation(anim: TransitionAnimation | TransitionAnimation[]):
 function stringifyAnimations(anims: TransitionAnimation[]): string {
 	const builder = animationBuilder();
 
-	for(const anim of anims) {
+	for (const anim of anims) {
 		/*300ms cubic-bezier(0.4, 0, 0.2, 1) both astroSlideFromRight;*/
-		if(anim.duration) {
+		if (anim.duration) {
 			addAnimationProperty(builder, 'animation-duration', toTimeValue(anim.duration));
 		}
-		if(anim.easing) {
+		if (anim.easing) {
 			addAnimationProperty(builder, 'animation-timing-function', anim.easing);
 		}
-		if(anim.direction) {
+		if (anim.direction) {
 			addAnimationProperty(builder, 'animation-direction', anim.direction);
 		}
-		if(anim.delay) {
+		if (anim.delay) {
 			addAnimationProperty(builder, 'animation-delay', anim.delay);
 		}
-		if(anim.fillMode) {
+		if (anim.fillMode) {
 			addAnimationProperty(builder, 'animation-fill-mode', anim.fillMode);
 		}
 		addAnimationProperty(builder, 'animation-name', anim.name);
 	}
-	
+
 	return builder.toString();
 }
 
diff --git a/packages/astro/src/transitions/index.ts b/packages/astro/src/transitions/index.ts
index d8dbb4e3b..4514269e5 100644
--- a/packages/astro/src/transitions/index.ts
+++ b/packages/astro/src/transitions/index.ts
@@ -1,45 +1,51 @@
-import type { TransitionDirectionalAnimations, TransitionAnimationPair } from '../@types/astro';
+import type { TransitionDirectionalAnimations } from '../@types/astro';
 
 export function slide({
-	duration
+	duration,
 }: {
 	duration?: string | number;
 } = {}): TransitionDirectionalAnimations {
 	return {
 		forwards: {
-			old: [{
-				name: 'astroFadeOut',
-				duration: duration ?? '90ms',
-				easing: 'cubic-bezier(0.4, 0, 1, 1)',
-				fillMode: 'both'
-			}, {
-				name: 'astroSlideToLeft',
-				duration: duration ?? '300ms',
-				easing: 'cubic-bezier(0.4, 0, 0.2, 1)',
-				fillMode: 'both'
-			}],
-			new: [{
-				name: 'astroFadeIn',
-				duration: duration ?? '210ms',
-				easing: 'cubic-bezier(0, 0, 0.2, 1)',
-				delay: '90ms',
-				fillMode: 'both'
-			}, {
-				name: 'astroSlideFromRight',
-				duration: duration ?? '300ms',
-				easing: 'cubic-bezier(0.4, 0, 0.2, 1)',
-				fillMode: 'both'
-			}]
+			old: [
+				{
+					name: 'astroFadeOut',
+					duration: duration ?? '90ms',
+					easing: 'cubic-bezier(0.4, 0, 1, 1)',
+					fillMode: 'both',
+				},
+				{
+					name: 'astroSlideToLeft',
+					duration: duration ?? '300ms',
+					easing: 'cubic-bezier(0.4, 0, 0.2, 1)',
+					fillMode: 'both',
+				},
+			],
+			new: [
+				{
+					name: 'astroFadeIn',
+					duration: duration ?? '210ms',
+					easing: 'cubic-bezier(0, 0, 0.2, 1)',
+					delay: '90ms',
+					fillMode: 'both',
+				},
+				{
+					name: 'astroSlideFromRight',
+					duration: duration ?? '300ms',
+					easing: 'cubic-bezier(0.4, 0, 0.2, 1)',
+					fillMode: 'both',
+				},
+			],
 		},
 		backwards: {
 			old: [{ name: 'astroFadeOut' }, { name: 'astroSlideToRight' }],
-			new: [{ name: 'astroFadeIn' }, { name: 'astroSlideFromLeft' }]
-		}
+			new: [{ name: 'astroFadeIn' }, { name: 'astroSlideFromLeft' }],
+		},
 	};
 }
 
 export function fade({
-	duration
+	duration,
 }: {
 	duration?: string | number;
 } = {}): TransitionDirectionalAnimations {
@@ -55,7 +61,7 @@ export function fade({
 			duration: duration ?? '0.3s',
 			easing: 'linear',
 			fillMode: 'backwards',
-		}
+		},
 	} satisfies TransitionAnimationPair;
 
 	return {
diff --git a/packages/astro/src/transitions/vite-plugin-transitions.ts b/packages/astro/src/transitions/vite-plugin-transitions.ts
index 891d5a22f..9803be211 100644
--- a/packages/astro/src/transitions/vite-plugin-transitions.ts
+++ b/packages/astro/src/transitions/vite-plugin-transitions.ts
@@ -1,12 +1,12 @@
-import type { AstroConfig } from '../@types/astro';
 import * as vite from 'vite';
+import type { AstroConfig } from '../@types/astro';
 import { AstroError } from '../core/errors/index.js';
 
 const virtualModuleId = 'astro:transitions';
 const resolvedVirtualModuleId = '\0' + virtualModuleId;
 
 // The virtual module for the astro:transitions namespace
-export default function astroTransitions({ config }: { config: AstroConfig; }): vite.Plugin {
+export default function astroTransitions({ config }: { config: AstroConfig }): vite.Plugin {
 	return {
 		name: 'astro:transitions',
 		async resolveId(id) {
@@ -16,7 +16,7 @@ export default function astroTransitions({ config }: { config: AstroConfig; }):
 		},
 		load(id) {
 			if (id === resolvedVirtualModuleId) {
-				if(!config.experimental.viewTransitions) {
+				if (!config.experimental.viewTransitions) {
 					throw new AstroError({
 						title: 'Experimental View Transitions not enabled',
 						message: `View Transitions support is experimental. To enable update your config to include: 
@@ -25,7 +25,7 @@ export default defineConfig({
 	experimental: {
 		viewTransitions: true
 	}
-})`
+})`,
 					});
 				}
 
diff --git a/packages/astro/test/units/compile/invalid-css.test.js b/packages/astro/test/units/compile/invalid-css.test.js
index db892b5bf..7a0303437 100644
--- a/packages/astro/test/units/compile/invalid-css.test.js
+++ b/packages/astro/test/units/compile/invalid-css.test.js
@@ -12,7 +12,7 @@ describe('astro/src/core/compile', () => {
 				await cachedCompilation({
 					astroConfig: {
 						root: pathToFileURL('/'),
-						experimental: {}
+						experimental: {},
 					},
 					viteConfig: await resolveConfig({ configFile: false }, 'serve'),
 					filename: '/src/pages/index.astro',