temporary testing code
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150
temp.ts
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150
temp.ts
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const enum Platform {
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WINDOWS = 'Windows',
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MAC = 'Mac',
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LINUX = 'Linux',
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ANDROID = 'Android',
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CHROME_OS = 'Chrome OS',
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}
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const SYSTEM_FONTS = [
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'caption',
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'icon',
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'menu',
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'message-box',
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'small-caption',
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'status-bar',
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]
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function getEngine() {
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const x = [].constructor
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try {
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(-1).toFixed(-1)
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} catch (err: any) {
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return err.message.length + (x+'').split(x.name).join('').length
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}
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}
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const ENGINE_IDENTIFIER = getEngine()
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const IS_BLINK = ENGINE_IDENTIFIER == 80
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const IS_GECKO = ENGINE_IDENTIFIER == 58
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const IS_WEBKIT = ENGINE_IDENTIFIER == 77
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function getPlatformEstimate(): [
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scores: Record<string, number>,
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highestScore: number,
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headlessEstimate: Record<string, boolean>
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] | [] {
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//if (!IS_BLINK) return []
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const v80 = 'getVideoPlaybackQuality' in HTMLVideoElement.prototype
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const v81 = CSS.supports('color-scheme: initial')
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const v84 = CSS.supports('appearance: initial')
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const v86 = 'DisplayNames' in Intl
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const v88 = CSS.supports('aspect-ratio: initial')
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const v89 = CSS.supports('border-end-end-radius: initial')
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const v95 = 'randomUUID' in Crypto.prototype
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const hasBarcodeDetector = 'BarcodeDetector' in window
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// @ts-expect-error if not supported
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const hasDownlinkMax = 'downlinkMax' in (window.NetworkInformation?.prototype || {})
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const hasContentIndex = 'ContentIndex' in window
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const hasContactsManager = 'ContactsManager' in window
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const hasEyeDropper = 'EyeDropper' in window
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const hasFileSystemWritableFileStream = 'FileSystemWritableFileStream' in window
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const hasHid = 'HID' in window && 'HIDDevice' in window
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const hasSerialPort = 'SerialPort' in window && 'Serial' in window
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const hasSharedWorker = 'SharedWorker' in window
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const hasTouch = 'ontouchstart' in Window && 'TouchEvent' in window
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const hasAppBadge = 'setAppBadge' in Navigator.prototype
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const hasFeature = (version: boolean, condition: boolean) => {
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return (version ? [condition] : [])
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}
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const estimate: Record<string, boolean[]> = {
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[Platform.ANDROID]: [
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...hasFeature(v88, hasBarcodeDetector),
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...hasFeature(v84, hasContentIndex),
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...hasFeature(v80, hasContactsManager),
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hasDownlinkMax,
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...hasFeature(v95, !hasEyeDropper),
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...hasFeature(v86, !hasFileSystemWritableFileStream),
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...hasFeature(v89, !hasHid),
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...hasFeature(v89, !hasSerialPort),
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!hasSharedWorker,
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hasTouch,
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...hasFeature(v81, !hasAppBadge),
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],
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[Platform.CHROME_OS]: [
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...hasFeature(v88, hasBarcodeDetector),
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...hasFeature(v84, !hasContentIndex),
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...hasFeature(v80, !hasContactsManager),
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hasDownlinkMax,
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...hasFeature(v95, hasEyeDropper),
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...hasFeature(v86, hasFileSystemWritableFileStream),
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...hasFeature(v89, hasHid),
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...hasFeature(v89, hasSerialPort),
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hasSharedWorker,
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hasTouch || !hasTouch,
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...hasFeature(v81, !hasAppBadge),
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],
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[Platform.WINDOWS]: [
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...hasFeature(v88, !hasBarcodeDetector),
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...hasFeature(v84, !hasContentIndex),
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...hasFeature(v80, !hasContactsManager),
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!hasDownlinkMax,
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...hasFeature(v95, hasEyeDropper),
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...hasFeature(v86, hasFileSystemWritableFileStream),
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...hasFeature(v89, hasHid),
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...hasFeature(v89, hasSerialPort),
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hasSharedWorker,
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hasTouch || !hasTouch,
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...hasFeature(v81, hasAppBadge),
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],
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[Platform.MAC]: [
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...hasFeature(v88, hasBarcodeDetector),
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...hasFeature(v84, !hasContentIndex),
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...hasFeature(v80, !hasContactsManager),
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!hasDownlinkMax,
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...hasFeature(v95, hasEyeDropper),
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...hasFeature(v86, hasFileSystemWritableFileStream),
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...hasFeature(v89, hasHid),
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...hasFeature(v89, hasSerialPort),
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hasSharedWorker,
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!hasTouch,
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...hasFeature(v81, hasAppBadge),
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],
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[Platform.LINUX]: [
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...hasFeature(v88, !hasBarcodeDetector),
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...hasFeature(v84, !hasContentIndex),
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...hasFeature(v80, !hasContactsManager),
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!hasDownlinkMax,
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...hasFeature(v95, hasEyeDropper),
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...hasFeature(v86, hasFileSystemWritableFileStream),
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...hasFeature(v89, hasHid),
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...hasFeature(v89, hasSerialPort),
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hasSharedWorker,
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!hasTouch || !hasTouch,
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...hasFeature(v81, !hasAppBadge),
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],
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}
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// Chrome only features
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const headlessEstimate: Record<string, boolean> = {
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noContentIndex: v84 && !hasContentIndex,
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noContactsManager: v80 && !hasContactsManager,
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noDownlinkMax: !hasDownlinkMax,
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}
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const scores = Object.keys(estimate).reduce((acc, key) => {
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const list = estimate[key]
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const score = +((list.filter((x) => x).length / list.length).toFixed(2))
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acc[key] = score
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return acc
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}, {} as Record<string, number>)
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const platform = Object.keys(scores).reduce((a, b) => scores[a] > scores[b] ? a : b)
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const highestScore = scores[platform]
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console.log([scores, highestScore, headlessEstimate]);
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return [scores, highestScore, headlessEstimate]
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}
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console.log(getPlatformEstimate());
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