Functions/GenXdev.Webbrowser/Close-Webbrowser.ps1
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############################################################################### <# .SYNOPSIS Closes one or more webbrowser instances selectively. .DESCRIPTION Provides granular control over closing web browser instances. Can target specific browsers (Edge, Chrome, Firefox) or close all browsers. Supports closing both main windows and background processes. .LICENSE Copyright (C) 2026 René Vaessen / GenXdev This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. .PARAMETER Edge Closes all Microsoft Edge browser instances. .PARAMETER Chrome Closes all Google Chrome browser instances. .PARAMETER Chromium Closes the default Chromium-based browser (Edge or Chrome). .PARAMETER Firefox Closes all Firefox browser instances. .PARAMETER PlayWright Closes all Playwright-managed browser instances and removes their global state from $Global:GenXdevPlaywright. .PARAMETER All Closes all detected modern browser instances. .PARAMETER IncludeBackgroundProcesses Also closes background processes and tasks for the selected browsers. .EXAMPLE Close-Webbrowser -Chrome -Firefox -IncludeBackgroundProcesses Closes all Chrome and Firefox instances including background processes .EXAMPLE wbc -a -bg Closes all browser instances including background processes using aliases #> function Close-Webbrowser { [CmdletBinding(DefaultParameterSetName = 'Specific')] [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSAvoidGlobalVars', '')] [Alias('wbc')] param( ######################################################################## [Alias('e')] [parameter( Mandatory = $false, ParameterSetName = 'Specific', HelpMessage = 'Closes Microsoft Edge browser instances' )] [switch] $Edge, ######################################################################## [Alias('ch')] [parameter( Mandatory = $false, ParameterSetName = 'Specific', HelpMessage = 'Closes Google Chrome browser instances' )] [switch] $Chrome, ######################################################################## [Alias('c')] [parameter( Mandatory = $false, ParameterSetName = 'Specific', HelpMessage = 'Closes default chromium-based browser' )] [switch] $Chromium, ######################################################################## [Alias('ff')] [parameter( Mandatory = $false, ParameterSetName = 'Specific', HelpMessage = 'Closes Firefox browser instances' )] [switch] $Firefox, ############################################################################### [Alias('pw')] [Parameter( Mandatory = $false, HelpMessage = ('Use Playwright-managed browser instead of the ' + 'OS-installed browser') )] [switch] $PlayWright, ############################################################################### [Alias('wk')] [Parameter( Mandatory = $false, HelpMessage = ('Opens the Playwright-managed WebKit browser. ' + 'Implies -PlayWright') )] [switch] $Webkit, ######################################################################## [Parameter( Mandatory = $false, HelpMessage = 'Run the browser without a visible window' )] [Alias('hl')] [switch] $Headless, ############################################################################### [Parameter( Mandatory = $false, HelpMessage = 'Opens in all registered modern browsers' )] [switch] $All, ############################################################################### [Alias('bg', 'Force')] [parameter( Mandatory = $false, HelpMessage = 'Closes all instances including background tasks' )] [switch] $IncludeBackgroundProcesses ######################################################################## ) begin { # query system for installed browser information $params = GenXdev\Copy-IdenticalParamValues ` -BoundParameters $PSBoundParameters ` -FunctionName "GenXdev\Get-Webbrowser" ` -DefaultValues (Microsoft.PowerShell.Utility\Get-Variable -Scope Local -ErrorAction SilentlyContinue) $installedBrowsers = GenXdev\Get-Webbrowser @params # determine system default browser $defaultBrowser = GenXdev\Get-DefaultWebbrowser Microsoft.PowerShell.Utility\Write-Verbose "Found $($installedBrowsers.Count) installed browsers" Microsoft.PowerShell.Utility\Write-Verbose "Default browser: $($defaultBrowser.Name)" } process { function Close-BrowserInstance { param ( [object] $Browser ) Microsoft.PowerShell.Utility\Write-Verbose "Attempting to close $($Browser.Name)" # extract process name without extension for matching $processName = [System.IO.Path]::GetFileNameWithoutExtension($Browser.Path) # find and process all matching browser instances Microsoft.PowerShell.Management\Get-Process -Name $processName -ErrorAction SilentlyContinue | Microsoft.PowerShell.Core\ForEach-Object { $currentProcess = $_ # handle background processes based on user preference if ((-not $IncludeBackgroundProcesses) -and ($currentProcess.MainWindowHandle -eq 0)) { Microsoft.PowerShell.Utility\Write-Verbose "Skipping background process $($currentProcess.Id)" return } elseif ($currentProcess.MainWindowHandle -ne 0) { # attempt graceful window close for processes with UI [GenXdev.Helpers.WindowObj]::GetMainWindow($currentProcess) | Microsoft.PowerShell.Core\ForEach-Object { $startTime = [DateTime]::UtcNow $window = $_ # try graceful close $null = $window.Close() # wait up to 4 seconds for process to exit while (!$currentProcess.HasExited -and ([datetime]::UtcNow - $startTime -lt [System.TimeSpan]::FromSeconds(4))) { Microsoft.PowerShell.Utility\Start-Sleep -Milliseconds 20 } if ($currentProcess.HasExited) { Microsoft.PowerShell.Utility\Set-Variable -Scope Global ` -Name "_LastClose$($Browser.Name)" ` -Value ([DateTime]::UtcNow.AddSeconds(-1)) return } } } # force terminate if process still running try { $null = $currentProcess.Kill() Microsoft.PowerShell.Utility\Set-Variable -Scope Global -Name "_LastClose$($Browser.Name)" ` -Value ([DateTime]::UtcNow) } catch { Microsoft.PowerShell.Utility\Write-Warning "Failed to kill $($Browser.Name) process: $_" } } } # shared helper: close Playwright browsers matching the given keys function ClosePlaywrightBrowsers { param ( [string[]] $TargetKeys ) if ($Global:GenXdevPlaywright -isnot [Hashtable]) { return } $keysToClose = if ($TargetKeys.Count -gt 0) { @($Global:GenXdevPlaywright.Keys) | Microsoft.PowerShell.Core\Where-Object { $_ -in $TargetKeys } } else { @($Global:GenXdevPlaywright.Keys) } foreach ($key in $keysToClose) { $state = $Global:GenXdevPlaywright[$key] try { if ($state.Context) { $state.Context.CloseAsync().GetAwaiter().GetResult() } if ($state.Browser -and $state.Browser.IsConnected) { $state.Browser.CloseAsync().GetAwaiter().GetResult() } $Global:GenXdevPlaywright.Remove($key) Microsoft.PowerShell.Utility\Write-Verbose ( "Closed ${key} Playwright browser" ) } catch { Microsoft.PowerShell.Utility\Write-Warning ( "Failed to close ${key} Playwright browser: $($_.Exception.Message)" ) $Global:GenXdevPlaywright.Remove($key) } } # also kill any lingering ms-playwright processes $killedProcessIds = [System.Collections.Generic.List[int]]::new() Microsoft.PowerShell.Management\Get-Process -ErrorAction SilentlyContinue | Microsoft.PowerShell.Core\Where-Object { $PSItem.Path -and ($PSItem.Path -like '*\ms-playwright\*') } | Microsoft.PowerShell.Core\ForEach-Object { try { $null = $PSItem.Kill() $killedProcessIds.Add($PSItem.Id) Microsoft.PowerShell.Utility\Write-Verbose ( "Killed lingering Playwright process: $($PSItem.Id)" ) } catch { Microsoft.PowerShell.Utility\Write-Verbose ( "Could not kill process $($PSItem.Id): $_" ) } } # wait up to 5 seconds for killed processes to fully exit # to release the profile directory SingletonLock if ($killedProcessIds.Count -gt 0) { Microsoft.PowerShell.Utility\Write-Verbose ( "Waiting for $($killedProcessIds.Count) " + 'Playwright process(es) to fully exit...' ) $waitStart = [DateTime]::UtcNow $allExited = $false do { Microsoft.PowerShell.Utility\Start-Sleep -Milliseconds 200 $stillRunning = @( Microsoft.PowerShell.Management\Get-Process -Id $killedProcessIds ` -ErrorAction SilentlyContinue ) $allExited = $stillRunning.Count -eq 0 } while (-not $allExited -and ([DateTime]::UtcNow - $waitStart).TotalSeconds -lt 5) if (-not $allExited) { Microsoft.PowerShell.Utility\Write-Verbose ( 'Some Playwright processes did not exit within timeout' ) } } } # resolve which Playwright browser types to target based on switches function ResolvePlaywrightTargetKeys { $keys = [System.Collections.Generic.List[string]]::new() if ($Edge) { $keys.Add('EdgeNormal') } if ($Chrome) { $keys.Add('ChromeNormal') } if ($Chromium) { $keys.Add('ChromiumNormal') $keys.Add('ChromiumPlaywright') } if ($Firefox) { $keys.Add('FirefoxPlaywright') } if ($Webkit) { $keys.Add('WebKitPlaywright') } # if no specific browser switch is set alongside -PlayWright, # close all Playwright browsers (empty list = all) if ($keys.Count -eq 0) { return @() } return $keys.ToArray() } # close Playwright-managed browsers if requested if ($PlayWright) { Microsoft.PowerShell.Utility\Write-Verbose 'Closing Playwright-managed browsers' $pwKeys = ResolvePlaywrightTargetKeys ClosePlaywrightBrowsers -TargetKeys $pwKeys # also clear legacy global state $Global:playwrightController = $null $Global:chromeSession = $null $Global:chrome = $null return } # close all browsers if requested if ($All) { Microsoft.PowerShell.Utility\Write-Verbose 'Closing all browsers' $installedBrowsers | Microsoft.PowerShell.Core\ForEach-Object { Close-BrowserInstance $_ } # also close all Playwright-managed browsers when -All is used ClosePlaywrightBrowsers -TargetKeys @() $Global:playwrightController = $null $Global:chromeSession = $null $Global:chrome = $null return } # handle default chromium browser closure if ($Chromium -and -not ($Chrome -or $Edge)) { if ($defaultBrowser.Name -like '*Chrome*' -or $defaultBrowser.Name -like '*Edge*') { Close-BrowserInstance $defaultBrowser return } # fallback to first available chromium browser $installedBrowsers | Microsoft.PowerShell.Core\Where-Object { $_.Name -like '*Edge*' -or $_.Name -like '*Chrome*' } | Microsoft.PowerShell.Utility\Select-Object -First 1 | Microsoft.PowerShell.Core\ForEach-Object { Close-BrowserInstance $_ } return } # handle specific browser closures if ($Chrome) { $installedBrowsers | Microsoft.PowerShell.Core\Where-Object { $_.Name -like '*Chrome*' } | Microsoft.PowerShell.Core\ForEach-Object { Close-BrowserInstance $_ } } if ($Edge) { $installedBrowsers | Microsoft.PowerShell.Core\Where-Object { $_.Name -like '*Edge*' } | Microsoft.PowerShell.Core\ForEach-Object { Close-BrowserInstance $_ } } if ($Firefox) { $installedBrowsers | Microsoft.PowerShell.Core\Where-Object { $_.Name -like '*Firefox*' } | Microsoft.PowerShell.Core\ForEach-Object { Close-BrowserInstance $_ } } # close default browser if no specific browser selected if (-not ($Chromium -or $Chrome -or $Edge -or $Firefox -or $PlayWright)) { Close-BrowserInstance $defaultBrowser } } end { } } |