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