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Merged
shgysk8zer0 merged 1 commit into from
Apr 30, 2026
Merged

Implement basics of View Transitions #179

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5 changes: 5 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

## [Unreleased]

## [v1.2.0] - 2026-04-30

### Added
- Implement basics of View Transitions

## [v1.1.15] - 2026-02-27

### Added
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7 changes: 6 additions & 1 deletion http.config.js
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Expand Up @@ -3,14 +3,19 @@ import { useDefaultCSP, addScriptSrc, addStyleSrc, addConnectSrc, addImageSrc, a

addScriptSrc(
imports['@shgysk8zer0/polyfills'],
imports['@shgysk8zer0/signals/'],
'https://unpkg.com/@aegisjsproject/',
'https://unpkg.com/@lit/',
imports.marked,
imports['marked-highlight'],
imports['@highlightjs/cdn-assets/'],
);
addConnectSrc('https://api.github.com/users/', 'https://baconipsum.com/api/');
addStyleSrc(imports['@shgysk8zer0/core-css/'], imports['@highlightjs/cdn-assets/es/styles/']);
addStyleSrc(
imports['@shgysk8zer0/core-css/'],
imports['@aegisjsproject/styles/'] + 'css/',
imports['@highlightjs/cdn-assets/es/styles/'],
);
addImageSrc('https://avatars.githubusercontent.com/u/', 'https://images.unsplash.com/', 'blob:');
addTrustedTypePolicy('aegis-router#html', 'aegis-sanitizer#html', 'aegis-escape#html', 'lit-html', 'default');
lockCSP();
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86 changes: 48 additions & 38 deletions package-lock.json
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22 changes: 11 additions & 11 deletions package.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "@aegisjsproject/router",
"version": "1.1.15",
"version": "1.2.0",
"description": "A simple but powerful router module",
"keywords": [
"router",
Expand Down Expand Up @@ -95,20 +95,20 @@
},
"homepage": "https://github.com/AegisJSProject/router#readme",
"dependencies": {
"@aegisjsproject/state": "^1.0.5"
"@aegisjsproject/state": "^1.0.7"
},
"devDependencies": {
"@aegisjsproject/component": "^0.1.6",
"@aegisjsproject/core": "^0.2.27",
"@aegisjsproject/dev-server": "^1.0.5",
"@aegisjsproject/component": "^0.1.8",
"@aegisjsproject/core": "^0.2.34",
"@aegisjsproject/dev-server": "^1.0.6",
"@aegisjsproject/http-utils": "^1.0.4",
"@aegisjsproject/url": "^1.0.3",
"@rollup/plugin-node-resolve": "^16.0.0",
"@rollup/plugin-node-resolve": "^16.0.3",
"@rollup/plugin-terser": "^1.0.0",
"@shgysk8zer0/eslint-config": "^1.0.4",
"@shgysk8zer0/http-server": "^1.1.1",
"@shgysk8zer0/importmap": "^1.7.8",
"eslint": "^10.0.0",
"rollup": "^4.38.0"
"@shgysk8zer0/eslint-config": "^1.0.9",
"@shgysk8zer0/http-server": "^1.1.2",
"@shgysk8zer0/importmap": "^1.9.12",
"eslint": "^10.2.1",
"rollup": "^4.60.2"
}
}
64 changes: 35 additions & 29 deletions router.js
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Expand Up @@ -18,6 +18,10 @@ let rootSelector = '#' + ROOT_ID;
const SUPPORTS_TRUSTED_TYPES = 'trustedTypes' in globalThis;
const _isTrustedHTML = input => SUPPORTS_TRUSTED_TYPES && trustedTypes.isHTML(input);

const startViewTransition = typeof document.startViewTransition === 'function'
? (update, types) => document.startViewTransition({ update, types })
: update => Promise.try(update);

function _handlePreloadMutations(target) {
if (target instanceof MutationRecord) {
_handlePreloadMutations(target.target);
Expand Down Expand Up @@ -440,38 +444,40 @@ async function _getHTML(url, { signal, method = 'GET', body, integrity, cache =
}
}

function _updatePage(content) {
async function _updatePage(content) {
const timestamp = performance.now();

if (content instanceof Document) {
if (content.head.childElementCount !== 0) {
setTitle(content.title);
setDescription(content.querySelector(DESC_SELECTOR)?.content);
}
await startViewTransition(() => {
if (content instanceof Document) {
if (content.head.childElementCount !== 0) {
setTitle(content.title);
setDescription(content.querySelector(DESC_SELECTOR)?.content);
}

const contentEl = typeof rootSelector === 'string' ? content.body.querySelector(rootSelector) ?? content.body : content.body;

rootEl.replaceChildren(...contentEl.childNodes);
} else if (content instanceof HTMLTemplateElement) {
rootEl.replaceChildren(content.content);
} else if (content instanceof Function && content.prototype instanceof HTMLElement) {
rootEl.replaceChildren(new content({ state: getStateObj(), url: new URL(location.href), timestamp }));
} else if (content instanceof Node) {
rootEl.replaceChildren(content);
} else if (content instanceof Function) {
_updatePage(content());
} else if (typeof content === 'string') {
rootEl.setHTMLUnsafe(policy.createHTML(content));
} else if (_isTrustedHTML(content)) {
rootEl.setHTMLUnsafe(content);
} else if (content instanceof Error) {
reportError(content);
rootEl.textContent = content.message;
} else if (content instanceof URL) {
navigate(content);
} else if (! (content === null || typeof content === 'undefined')) {
rootEl.textContent = content;
}
const contentEl = typeof rootSelector === 'string' ? content.body.querySelector(rootSelector) ?? content.body : content.body;

rootEl.replaceChildren(...contentEl.childNodes);
} else if (content instanceof HTMLTemplateElement) {
rootEl.replaceChildren(content.content);
} else if (content instanceof Function && content.prototype instanceof HTMLElement) {
rootEl.replaceChildren(new content({ state: getStateObj(), url: new URL(location.href), timestamp }));
} else if (content instanceof Node) {
rootEl.replaceChildren(content);
} else if (content instanceof Function) {
_updatePage(content());
} else if (typeof content === 'string') {
rootEl.setHTMLUnsafe(policy.createHTML(content));
} else if (_isTrustedHTML(content)) {
rootEl.setHTMLUnsafe(content);
} else if (content instanceof Error) {
reportError(content);
rootEl.textContent = content.message;
} else if (content instanceof URL) {
navigate(content);
} else if (! (content === null || typeof content === 'undefined')) {
rootEl.textContent = content;
}
});

const ev = new AegisNavigationEvent(NAV_EVENT, EVENT_TYPES.load, { cancelable: false });
Promise.try(() => EVENT_TARGET.dispatchEvent(ev)).finally(ev[Symbol.asyncDispose].bind(ev));
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20 changes: 10 additions & 10 deletions test/index.js
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Expand Up @@ -56,16 +56,16 @@ init('#routes', {
rootEl: '#root',
inteceptRoot: document.body,
observePreloads: true,
transition: {
keyframes: {
opacity: [1, 0],
transform: ['none', 'scale(0.8) translateX(-100%)']
},
options: {
easing: 'ease-in',
duration: 150,
}
},
// transition: {
// keyframes: {
// opacity: [1, 0],
// transform: ['none', 'scale(0.8) translateX(-100%)']
// },
// options: {
// easing: 'ease-in',
// duration: 150,
// }
// },
signal: controller.signal,
}).finally(() => console.timeEnd('init'));

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