Files
metrics/source/plugins/community/screenshot/index.mjs
github-actions[bot] 4c98629bbc chore: code formatting
2022-04-23 23:18:43 +00:00

44 lines
1.9 KiB
JavaScript

//Setup
export default async function({login, q, imports, data, account}, {enabled = false} = {}) {
//Plugin execution
try {
//Check if plugin is enabled and requirements are met
if ((!enabled) || (!q.screenshot))
return null
//Load inputs
let {url, selector, title, background} = imports.metadata.plugins.screenshot.inputs({data, account, q})
if (!url)
throw {error: {message: "An url is required"}}
//Start puppeteer and navigate to page
console.debug(`metrics/compute/${login}/plugins > screenshot > starting browser`)
const browser = await imports.puppeteer.launch()
console.debug(`metrics/compute/${login}/plugins > screenshot > started ${await browser.version()}`)
const page = await browser.newPage()
await page.setViewport({width: 1280, height: 1280})
console.debug(`metrics/compute/${login}/plugins > screenshot > loading ${url}`)
await page.goto(url)
//Screenshot
await page.waitForSelector(selector)
const clip = await page.evaluate(selector => {
const {x, y, width, height} = document.querySelector(selector).getBoundingClientRect()
return {x, y, width, height}
}, selector)
console.debug(`metrics/compute/${login}/plugins > screenshot > coordinates ${JSON.stringify(clip)}`)
const [buffer] = await imports.record({page, ...clip, frames: 1, background})
const screenshot = await (await imports.jimp.read(Buffer.from(buffer.split(",").pop(), "base64"))).resize(Math.min(454 * (1 + data.large), clip.width), imports.jimp.AUTO)
await browser.close()
//Results
return {image: await screenshot.getBase64Async("image/png"), title, height: screenshot.bitmap.height, width: screenshot.bitmap.width, url}
}
//Handle errors
catch (error) {
if (error.error?.message)
throw error
throw {title: "Screenshot error", error: {message: "An error occured", instance: error}}
}
}