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2 commits

Author SHA1 Message Date
jan
bbfb1fce04 asdasdasdass 2026-09-27 20:18:32 +02:00
jan
9278fe9314 i dont even know what 2026-09-27 20:18:26 +02:00
17 changed files with 373 additions and 383 deletions

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@ -1,4 +1,42 @@
{ {
"$schema": "./node_modules/oxlint/configuration_schema.json", "$schema": "./node_modules/oxlint/configuration_schema.json",
"ignorePatterns": ["dist/**"] "ignorePatterns": ["dist/**", "node_modules/**"],
"plugins": ["typescript", "unicorn", "oxc", "promise"],
"env": {
"browser": true,
"builtin": true,
"es2024": true
},
"categories": {
"correctness": "error",
"suspicious": "warn",
"perf": "warn"
},
"rules": {
"no-console": "error",
"no-debugger": "error",
"eqeqeq": ["error", "always"],
"no-var": "error",
"prefer-const": "error",
"object-shorthand": "error",
"prefer-template": "error",
"unicorn/prefer-dom-node-append": "error",
"unicorn/prefer-dom-node-remove": "error",
"unicorn/prefer-dom-node-text-content": "error",
"unicorn/prefer-query-selector": "error",
"unicorn/prefer-add-event-listener": "error",
"typescript/no-explicit-any": "error",
"typescript/no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],
"promise/always-return": "error",
"promise/catch-or-return": "error",
"oxc/no-accumulating-spread": "error"
},
"overrides": [
{
"files": ["**/*.config.json", ".oxlintrc.json", ".prettierrc.json"],
"rules": {
"no-console": "off"
}
}
]
} }

3
.prettierignore Normal file
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@ -0,0 +1,3 @@
dist
node_modules
bun.lock

9
.prettierrc.json Normal file
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@ -0,0 +1,9 @@
{
"semi": false,
"singleQuote": true,
"printWidth": 100,
"tabWidth": 4,
"useTabs": false,
"trailingComma": "none",
"arrowParens": "always"
}

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@ -10,6 +10,7 @@
}, },
"devDependencies": { "devDependencies": {
"oxlint": "^1.85.0", "oxlint": "^1.85.0",
"prettier": "^3.9.9",
"typescript": "~6.0.2", "typescript": "~6.0.2",
"vite": "^8.3.0", "vite": "^8.3.0",
}, },
@ -146,6 +147,8 @@
"postcss": ["postcss@8.5.28", "", { "dependencies": { "nanoid": "^3.3.18", "picocolors": "^1.1.1", "source-map-js": "^1.2.1" } }, "sha512-RRuzqDtt5Y9h3quz5hWhK+TPnsmVs6WwSU6LkJMeY4HstUEDuYTG8UJSdawMRzmzAtV+KEoG8N3Qg2qLy5vM/A=="], "postcss": ["postcss@8.5.28", "", { "dependencies": { "nanoid": "^3.3.18", "picocolors": "^1.1.1", "source-map-js": "^1.2.1" } }, "sha512-RRuzqDtt5Y9h3quz5hWhK+TPnsmVs6WwSU6LkJMeY4HstUEDuYTG8UJSdawMRzmzAtV+KEoG8N3Qg2qLy5vM/A=="],
"prettier": ["prettier@3.9.9", "", { "bin": { "prettier": "bin/prettier.cjs" } }, "sha512-Z/CJHIkdujO/OtN7nXUii0Rf3VT5SRuhjBA82Xvu2XhBUgX3nhP67T0LHceBdQLex7OOFGTox+Q5Yg8Jk2Qivg=="],
"rolldown": ["rolldown@1.2.10", "", { "dependencies": { "@oxc-project/types": "=0.151.0", "@rolldown/pluginutils": "^1.0.0" }, "optionalDependencies": { "@rolldown/binding-android-arm-eabi": "1.2.10", "@rolldown/binding-android-arm64": "1.2.10", "@rolldown/binding-darwin-arm64": "1.2.10", "@rolldown/binding-darwin-x64": "1.2.10", "@rolldown/binding-freebsd-x64": "1.2.10", "@rolldown/binding-linux-arm-gnueabihf": "1.2.10", "@rolldown/binding-linux-arm64-gnu": "1.2.10", "@rolldown/binding-linux-arm64-musl": "1.2.10", "@rolldown/binding-linux-ppc64-gnu": "1.2.10", "@rolldown/binding-linux-s390x-gnu": "1.2.10", "@rolldown/binding-linux-x64-gnu": "1.2.10", "@rolldown/binding-linux-x64-musl": "1.2.10", "@rolldown/binding-openharmony-arm64": "1.2.10", "@rolldown/binding-win32-arm64-msvc": "1.2.10", "@rolldown/binding-win32-x64-msvc": "1.2.10" }, "bin": { "rolldown": "./bin/cli.mjs" } }, "sha512-OxkA08pSryMK7B3XiFA09B4OJ1xJMPgIYCBMY2xchzpqgBGsV1o0DetPAE+Sl3N3L4oCPiEzmHVSOj7iR04Zog=="], "rolldown": ["rolldown@1.2.10", "", { "dependencies": { "@oxc-project/types": "=0.151.0", "@rolldown/pluginutils": "^1.0.0" }, "optionalDependencies": { "@rolldown/binding-android-arm-eabi": "1.2.10", "@rolldown/binding-android-arm64": "1.2.10", "@rolldown/binding-darwin-arm64": "1.2.10", "@rolldown/binding-darwin-x64": "1.2.10", "@rolldown/binding-freebsd-x64": "1.2.10", "@rolldown/binding-linux-arm-gnueabihf": "1.2.10", "@rolldown/binding-linux-arm64-gnu": "1.2.10", "@rolldown/binding-linux-arm64-musl": "1.2.10", "@rolldown/binding-linux-ppc64-gnu": "1.2.10", "@rolldown/binding-linux-s390x-gnu": "1.2.10", "@rolldown/binding-linux-x64-gnu": "1.2.10", "@rolldown/binding-linux-x64-musl": "1.2.10", "@rolldown/binding-openharmony-arm64": "1.2.10", "@rolldown/binding-win32-arm64-msvc": "1.2.10", "@rolldown/binding-win32-x64-msvc": "1.2.10" }, "bin": { "rolldown": "./bin/cli.mjs" } }, "sha512-OxkA08pSryMK7B3XiFA09B4OJ1xJMPgIYCBMY2xchzpqgBGsV1o0DetPAE+Sl3N3L4oCPiEzmHVSOj7iR04Zog=="],
"source-map-js": ["source-map-js@1.2.1", "", {}, "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA=="], "source-map-js": ["source-map-js@1.2.1", "", {}, "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA=="],

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@ -1,6 +1,5 @@
<!doctype html> <!doctype html>
<html lang="en"> <html lang="en">
<head> <head>
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg" /> <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
@ -19,11 +18,8 @@
<div class="slide-list-items"></div> <div class="slide-list-items"></div>
</div> </div>
<div class="code"></div> <div class="code"></div>
<div class="preview"> <div class="preview"></div>
<div class="slide"></div>
</div>
</div> </div>
<script type="module" src="/src/main.ts"></script> <script type="module" src="/src/main.ts"></script>
</body> </body>
</html> </html>

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@ -8,10 +8,13 @@
"build": "tsc && vite build", "build": "tsc && vite build",
"lint": "oxlint", "lint": "oxlint",
"lint:fix": "oxlint --fix", "lint:fix": "oxlint --fix",
"format": "prettier --write .",
"format:check": "prettier --check .",
"preview": "vite preview" "preview": "vite preview"
}, },
"devDependencies": { "devDependencies": {
"oxlint": "^1.85.0", "oxlint": "^1.85.0",
"prettier": "^3.9.9",
"typescript": "~6.0.2", "typescript": "~6.0.2",
"vite": "^8.3.0" "vite": "^8.3.0"
}, },

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@ -1,24 +0,0 @@
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<defs><clipPath id="bluesky-clip"><path fill="#fff" d="M.1.85h15.3v15.3H.1z"/></clipPath></defs>
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@ -6,10 +6,7 @@ export interface CodeToElementOptions {
styles?: string[] styles?: string[]
} }
export function codeToElement( export function codeToElement(code: string, options: CodeToElementOptions = {}): HTMLIFrameElement {
code: string,
options: CodeToElementOptions = {}
): HTMLIFrameElement {
const iframe = document.createElement('iframe') const iframe = document.createElement('iframe')
const sandbox = new Set<string>() const sandbox = new Set<string>()
@ -36,12 +33,16 @@ export async function createCodeThumbnail(
iframe.style.position = 'fixed' iframe.style.position = 'fixed'
iframe.style.left = '-10000px' iframe.style.left = '-10000px'
iframe.style.border = '0' iframe.style.border = '0'
document.body.appendChild(iframe) document.body.append(iframe)
try { try {
await new Promise<void>((resolve, reject) => { await new Promise<void>((resolve, reject) => {
iframe.addEventListener('load', () => resolve(), { once: true }) iframe.addEventListener('load', () => resolve(), { once: true })
iframe.addEventListener('error', () => reject(new Error('Unable to render code thumbnail')), { once: true }) iframe.addEventListener(
'error',
() => reject(new Error('Unable to render code thumbnail')),
{ once: true }
)
}) })
const content = iframe.contentDocument?.body const content = iframe.contentDocument?.body

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@ -1,9 +0,0 @@
export function setupCounter(element: HTMLButtonElement) {
let counter = 0
const setCounter = (count: number) => {
counter = count
element.innerHTML = `Count is ${counter}`
}
element.addEventListener('click', () => setCounter(counter + 1))
setCounter(0)
}

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@ -1,7 +1,6 @@
export interface DomExportOptions { export interface DomExportOptions {
width?: number width?: number
height?: number height?: number
scale?: number
} }
function getElementSize(element: Element) { function getElementSize(element: Element) {
@ -21,15 +20,15 @@ function copyComputedStyles(source: Element, target: Element) {
target.setAttribute('style', style) target.setAttribute('style', style)
} }
function cloneWithStyles(source: Node, target: Node) { function cloneWithStyles(source: Node, target: ParentNode) {
if (source.nodeType === Node.ELEMENT_NODE && target.nodeType === Node.ELEMENT_NODE) { if (source.nodeType === Node.ELEMENT_NODE && target.nodeType === Node.ELEMENT_NODE) {
copyComputedStyles(source as Element, target as Element) copyComputedStyles(source as Element, target as Element)
} }
source.childNodes.forEach((child) => { source.childNodes.forEach((child) => {
const clonedChild = child.cloneNode(false) const clonedChild = child.cloneNode(false) as ParentNode
cloneWithStyles(child, clonedChild) cloneWithStyles(child, clonedChild)
target.appendChild(clonedChild) target.append(clonedChild)
}) })
} }
@ -45,48 +44,7 @@ function createSvg(element: Element, options: DomExportOptions) {
return { svg, width, height } return { svg, width, height }
} }
export function domToSvgDataUrl( export function domToSvgDataUrl(element: Element, options: DomExportOptions = {}): string {
element: Element,
options: DomExportOptions = {}
): string {
const { svg } = createSvg(element, options) const { svg } = createSvg(element, options)
return `data:image/svg+xml;charset=utf-8,${encodeURIComponent(svg)}` return `data:image/svg+xml;charset=utf-8,${encodeURIComponent(svg)}`
} }
export async function domToCanvas(
element: Element,
options: DomExportOptions = {}
): Promise<HTMLCanvasElement> {
const size = getElementSize(element)
const width = options.width ?? size.width
const height = options.height ?? size.height
const scale = options.scale ?? 1
const svgDataUrl = domToSvgDataUrl(element, options)
const image = new Image()
await new Promise<void>((resolve, reject) => {
image.onload = () => resolve()
image.onerror = () => reject(new Error('Unable to render DOM export as an image'))
image.src = svgDataUrl
})
const canvas = document.createElement('canvas')
canvas.width = Math.max(1, Math.ceil(width * scale))
canvas.height = Math.max(1, Math.ceil(height * scale))
const context = canvas.getContext('2d')
if (!context) {
throw new Error('Unable to create a canvas context')
}
context.drawImage(image, 0, 0, canvas.width, canvas.height)
return canvas
}
export async function domToPngDataUrl(
element: Element,
options: DomExportOptions = {}
): Promise<string> {
const canvas = await domToCanvas(element, options)
return canvas.toDataURL('image/png')
}

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@ -22,13 +22,10 @@ self.MonacoEnvironment = {
const MONACO_PARENT = '.code' const MONACO_PARENT = '.code'
export function createEditor() { export function createEditor() {
return monaco.editor.create( return monaco.editor.create(document.querySelector(MONACO_PARENT)!, {
document.querySelector(MONACO_PARENT)!,
{
value: 'test', value: 'test',
language: 'html', language: 'html',
theme: 'vs-dark', theme: 'vs-dark',
automaticLayout: true automaticLayout: true
} })
)
} }

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@ -67,7 +67,7 @@ async function generateSlideThumbnail(slide: Slide, i: number) {
const thumbnail = await createCodeThumbnail(slide.code) const thumbnail = await createCodeThumbnail(slide.code)
slideInList.append(slideNumber, thumbnail) slideInList.append(slideNumber, thumbnail)
slideElement.appendChild(slideInList) slideElement.append(slideInList)
if (i !== -1) { if (i !== -1) {
const deleteButton = document.createElement('button') const deleteButton = document.createElement('button')
@ -78,7 +78,7 @@ async function generateSlideThumbnail(slide: Slide, i: number) {
deleteButton.addEventListener('click', () => { deleteButton.addEventListener('click', () => {
deleteSlide(Number(slideElement.dataset.slideId)) deleteSlide(Number(slideElement.dataset.slideId))
}) })
slideElement.appendChild(deleteButton) slideElement.append(deleteButton)
} }
if (i === -1) { if (i === -1) {
@ -110,22 +110,45 @@ async function refreshThumbnail(index: number, slide: Slide) {
updateSelection() updateSelection()
} }
const THUMBNAIL_CONCURRENCY = 6
async function mapWithConcurrency<T, R>(
items: T[],
limit: number,
map: (item: T, index: number) => Promise<R>
): Promise<R[]> {
const results: R[] = []
let nextIndex = 0
async function worker() {
while (nextIndex < items.length) {
const index = nextIndex++
// oxlint-disable-next-line no-await-in-loop -- each worker claims one index at a time; the await is what bounds concurrency
results[index] = await map(items[index], index)
}
}
await Promise.all(Array.from({ length: Math.min(limit, items.length) }, worker))
return results
}
async function setSlideList() { async function setSlideList() {
const slideListSlidesList = [{ code: globalSlide }, ...slides] const allSlides = [{ code: globalSlide }, ...slides]
slideList.replaceChildren() slideList.replaceChildren()
slideElements.clear() slideElements.clear()
globalSlideElement = null globalSlideElement = null
for (let i = -1; i < slides.length; i++) { const elements = await mapWithConcurrency(allSlides, THUMBNAIL_CONCURRENCY, (slide, index) =>
slideList.appendChild(await generateSlideThumbnail(slideListSlidesList[i + 1], i)) generateSlideThumbnail(slide, index - 1)
} )
slideList.append(...elements)
updateSelection() updateSelection()
} }
function updateSlideOrder() { function updateSlideOrder() {
if (globalSlideElement) { if (globalSlideElement) {
globalSlideElement.dataset.slideId = '-1' globalSlideElement.dataset.slideId = '-1'
slideList.appendChild(globalSlideElement) slideList.append(globalSlideElement)
} }
for (const [index, slide] of slides.entries()) { for (const [index, slide] of slides.entries()) {
@ -141,8 +164,10 @@ function updateSlideOrder() {
if (slideNumber) { if (slideNumber) {
slideNumber.textContent = `${index + 1}` slideNumber.textContent = `${index + 1}`
} }
slideElement.querySelector<HTMLButtonElement>('.delete-slide')?.setAttribute('aria-label', `Delete slide ${index + 1}`) slideElement
slideList.appendChild(slideElement) .querySelector<HTMLButtonElement>('.delete-slide')
?.setAttribute('aria-label', `Delete slide ${index + 1}`)
slideList.append(slideElement)
} }
updateSelection() updateSelection()
} }
@ -190,7 +215,7 @@ addSlideButton.addEventListener('click', async () => {
const slide = { code: '' } const slide = { code: '' }
slides.push(slide) slides.push(slide)
const slideElement = await generateSlideThumbnail(slide, slides.length - 1) const slideElement = await generateSlideThumbnail(slide, slides.length - 1)
slideList.appendChild(slideElement) slideList.append(slideElement)
updateSlideOrder() updateSlideOrder()
setSlide(slides.length - 1) setSlide(slides.length - 1)
}) })

View file

@ -31,8 +31,8 @@ body {
gap: 0; gap: 0;
grid-auto-flow: row; grid-auto-flow: row;
grid-template-areas: grid-template-areas:
"menubar menubar menubar" 'menubar menubar menubar'
"slidelist code preview"; 'slidelist code preview';
width: 100vw; width: 100vw;
height: 100vh; height: 100vh;
} }
@ -113,14 +113,6 @@ body {
background-color: var(--bg); background-color: var(--bg);
} }
.slide {
display: block;
width: 100%;
aspect-ratio: 16 / 9;
background: var(--slide-bg);
border: 1px solid var(--slide-border);
}
.slide-list-item { .slide-list-item {
position: relative; position: relative;
display: grid; display: grid;