modern-screenshot
Quickly generate image from DOM node using HTML5 canvas and SVG
Fork from html-to-image
English | 简体中文
📦 Install
npm i modern-screenshot🦄 Usage
import { domToPng } from 'modern-screenshot'
domToPng(document.querySelector('#app')).then(dataUrl => {
const link = document.createElement('a')
link.download = 'screenshot.png'
link.href = dataUrl
link.click()
})CDN
```html ```
Browser Console
> ⚠️ Partial embedding will fail due to CORS ```js const script = document.createElement('script') script.src = "https://unpkg.com/modern-screenshot" document.getElementsByTagName('head')[0].appendChild(script) script.onload = () => { modernScreenshot .domToImage(document.querySelector('body'), { debug: true, progress: (current, total) => { console.log(`${ current }/${ total }`) } }) .then(img => { const width = 600 const height = img.height * (width / img.width) console.log('%c ', [ `padding: 0 ${ width / 2 }px;`, `line-height: ${ height }px;`, `background-image: url('${ img.src }');`, `background-size: 100% 100%;`, ].join('')) }) } ```
Methods
method(node: Node, options?: Options)
DOM to dataURL
DOM to data
DOM to HTMLElement
Options
See the options.ts
Singleton context and web worker
Quick screenshots per second by reusing context and web worker
// use vite
import workerUrl from 'modern-screenshot/worker?url'
import { createContext, destroyContext, domToPng } from 'modern-screenshot'
async function screenshotsPerSecond() {
const context = await createContext(document.querySelector('#app'), {
workerUrl,
workerNumber: 1,
})
for (let i = 0; i < 10; i++) {
domToPng(context).then(dataUrl => {
const link = document.createElement('a')
link.download = `screenshot-${ i + 1 }.png`
link.href = dataUrl
link.click()
if (i + 1 === 10) {
destroyContext(context)
}
})
await new Promise(resolve => setTimeout(resolve, 1000))
}
}
screenshotsPerSecond()See the context.ts
TODO
-
[ ] unable to clone css counters
content: counter(step);