Test announment #5

deded

Task List

• hello

• world

• hello world

let isMac: boolean | undefined

interface Navigator {
  userAgentData?: {
    brands: { brand: string; version: string }[]
    mobile: boolean
    platform: string
    getHighEntropyValues: (hints: string[]) => Promise<{
      platform: string
      platformVersion: string
      uaFullVersion: string
    }>
  }
}

function getPlatform(): string {
  const nav = navigator as Navigator

  if (nav.userAgentData) {
    if (nav.userAgentData.platform) {
      return nav.userAgentData.platform
    }

    nav.userAgentData
      .getHighEntropyValues(['platform'])
      .then(highEntropyValues => {
        if (highEntropyValues.platform) {
          return highEntropyValues.platform
        }
      })
  }

  if (typeof navigator.platform === 'string') {
    return navigator.platform
  }

  return ''
}

export function isMacOS() {
  if (isMac === undefined) {
    isMac = getPlatform().toLowerCase().includes('mac')
  }

  return isMac
}

function Button() {
  return (
    <button>hello world</button>
  )
}