【PowerShell】Selenium-Module　Get-SeElement　Web要素のハンドル

$shell = New-Object -ComObject Shell.Application
$DownloadDir = $shell.NameSpace("shell:Downloads").Self.Path
$searchDir = $DownloadDir + "\*.pdf"
$BaseFile = Get-ChildItem -Path $searchDir

$Driver = Start-SeChrome -DefaultDownloadPath $DownloadDir -StartURL "https://www.jka.or.jp/jka-news-pdf/jka-no34-pdf10mb/"
$Element = Find-SeElement -Driver $Driver -PartialLinkText "JKAニュース No34"
Invoke-SeClick -Element $Element

$flg = $false
do {
    $CompFile = Get-ChildItem -Path $searchDir
    $diffResult = Compare-Object $BaseFile $compFile -IncludeEqual
    foreach($data in $diffResult) {
        $indicator = $data.SideIndicator
         # CompFileに存在し、BaseFileには存在しないデータ
         if($indicator -eq "=>") {
            echo $data.InputObject
            $flg = $true
            break
        }else {
            $flg = $false
        }
    }
} until ($flg -eq $true)

Start-Sleep -Seconds 2
SeClose $Driver

function Get-SeElement {
    [Alias('Find-SeElement', 'SeElement')]
    param(
        #Specifies whether the selction text is to select by name, ID, Xpath etc
        [ValidateSet("CssSelector", "Name", "Id", "ClassName", "LinkText", "PartialLinkText", "TagName", "XPath")]
        [ByTransformAttribute()]
        [string]$By = "XPath",
        #Text to select on
        [Alias("CssSelector", "Name", "Id", "ClassName", "LinkText", "PartialLinkText", "TagName", "XPath")]
        [Parameter(Position = 1, Mandatory = $true)]
        [string]$Selection,
        #Specifies a time out
        [Parameter(Position = 2)]
        [Int]$Timeout = 0,
        #The driver or Element where the search should be performed.
        [Parameter(Position = 3, ValueFromPipeline = $true)]
        [Alias('Element', 'Driver')]
        $Target = $Global:SeDriver,

        [parameter(DontShow)]
        [Switch]$Wait

    )
    process {
        #if one of the old parameter names was used and BY was NIT specified, look for
        # <cmd/alias name> [anything which doesn't mean end of command] -Param
        # capture Param and set it as the value for by
        $mi = $MyInvocation.InvocationName
        if (-not $PSBoundParameters.ContainsKey("By") -and
            ($MyInvocation.Line -match "$mi[^>\|;]*-(CssSelector|Name|Id|ClassName|LinkText|PartialLinkText|TagName|XPath)")) {
            $By = $Matches[1]
        }
        if ($wait -and $Timeout -eq 0) { $Timeout = 30 }

        if ($TimeOut -and $Target -is [OpenQA.Selenium.Remote.RemoteWebDriver]) {
            $TargetElement = [OpenQA.Selenium.By]::$By($Selection)
            $WebDriverWait = [OpenQA.Selenium.Support.UI.WebDriverWait]::new($Target, (New-TimeSpan -Seconds $Timeout))
            $Condition = [OpenQA.Selenium.Support.UI.ExpectedConditions]::ElementExists($TargetElement)
            $WebDriverWait.Until($Condition)
        }
        elseif ($Target -is [OpenQA.Selenium.Remote.RemoteWebElement] -or
            $Target -is [OpenQA.Selenium.Remote.RemoteWebDriver]) {
            if ($Timeout) { Write-Warning "Timeout does not apply when searching an Element" }
            $Target.FindElements([OpenQA.Selenium.By]::$By($Selection))
        }
        else { throw "No valid target was provided." }
    }
}