functions/SPClientListItem/Remove-SPClientListItem.ps1

#Requires -Version 3.0

<#
  Remove-SPClientListItem.ps1
 
  Copyright (c) 2017 karamem0
 
  This software is released under the MIT License.
  https://github.com/karamem0/SPClient/blob/master/LICENSE
#>


function Remove-SPClientListItem {

<#
.SYNOPSIS
  Deletes the list item.
.DESCRIPTION
  The Remove-SPClientListItem function removes the list item from the list.
.PARAMETER ClientContext
  Indicates the client context. If not specified, uses a default context.
.PARAMETER ClientObject
  Indicates the list item to delete.
.PARAMETER ParentObject
  Indicates the list which the list item is contained.
.PARAMETER Identity
  Indicates the list item ID.
.EXAMPLE
  Remove-SPClientListItem $item
.EXAMPLE
  Remove-SPClientListItem $list -Identity 7
.EXAMPLE
  Remove-SPClientListItem $list -IdentityGuid "77DF0F67-9B13-4499-AC14-25EB18E1D3DA"
.INPUTS
  None or Microsoft.SharePoint.Client.ListItem or SPClient.SPClientListItemParentPipeBind
.OUTPUTS
  None
.LINK
  https://github.com/karamem0/SPClient/blob/master/doc/Remove-SPClientListItem.md
#>


    [CmdletBinding(DefaultParameterSetName = 'ClientObject')]
    param (
        [Parameter(Mandatory = $false)]
        [Microsoft.SharePoint.Client.ClientContext]
        $ClientContext = $SPClient.ClientContext,
        [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true, ParameterSetName = 'ClientObject')]
        [Microsoft.SharePoint.Client.ListItem]
        $ClientObject,
        [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true, ParameterSetName = 'Identity')]
        [SPClient.SPClientListItemParentPipeBind]
        $ParentObject,
        [Parameter(Mandatory = $true, ParameterSetName = 'Identity')]
        [Alias('Id')]
        [int]
        $Identity
    )

    process {
        if ($ClientContext -eq $null) {
            throw "Cannot bind argument to parameter 'ClientContext' because it is null."
        }
        if ($PSCmdlet.ParameterSetName -eq 'ClientObject') {
            if (-not $ClientObject.IsPropertyAvailable('Id')) {
                Invoke-ClientContextLoad `
                    -ClientContext $ClientContext `
                    -ClientObject $ClientObject `
                    -Retrieval 'Id'
            }
        } else {
            if ($PSCmdlet.ParameterSetName -eq 'Identity') {
                $PathMethod = New-Object Microsoft.SharePoint.Client.ObjectPathMethod( `
                    $ClientContext, `
                    $ParentObject.ClientObject.Path, `
                    'GetItemById', `
                    [object[]]$Identity)
                $ClientObject = New-Object Microsoft.SharePoint.Client.ListItem($ClientContext, $PathMethod)
                Invoke-ClientContextLoad `
                    -ClientContext $ClientContext `
                    -ClientObject $ClientObject `
                    -Retrieval 'Id'
                trap {
                    throw 'The specified list item could not be found.'
                }
            }
        }
        $ClientObject.DeleteObject()
        $ClientContext.ExecuteQuery()
    }

}