Invoke-TaskFromVSCode.ps1


<#PSScriptInfo
.VERSION 1.0.6
.AUTHOR Roman Kuzmin
.COPYRIGHT (c) Roman Kuzmin
.TAGS Invoke-Build, Task, VSCode
.GUID 1dcf7c94-b68d-4fb7-9e2b-886889b6c42e
.LICENSEURI http://www.apache.org/licenses/LICENSE-2.0
.PROJECTURI https://github.com/nightroman/Invoke-Build
#>


<#
.Synopsis
    Invokes the current Invoke-Build task from VSCode
 
.Description
    This script invokes the current task from the build script in VSCode.
 
    Requires:
    - Invoke-Build
    - VSCode PowerShell
 
    How to use:
    https://github.com/nightroman/Invoke-Build/wiki/Invoke-Task-from-VSCode
 
.Parameter Console
        Tells to invoke the task in an external console.
 
.Link
    https://github.com/nightroman/Invoke-Build/wiki/Invoke-Task-from-VSCode
#>


param(
    [Parameter()]
    [switch]$Console
)
try {
$ErrorActionPreference = 'Stop'

$private:file = $null
try {
    $private:context = $psEditor.GetEditorContext()
    $file = $context.CurrentFile
}
catch {}
if (!$file) {throw 'Cannot get the current file.'}

# save if modified, #118
if ($psEditor.EditorServicesVersion -ge [version]'1.6') {
    $file.Save()
}

$private:_Console = $Console
Remove-Variable Console

$private:path = $file.Path
if ($path -notlike '*.ps1') {throw "The current file must be '*.ps1'."}

$private:task = '.'
$private:line = $context.CursorPosition.Line
foreach($private:t in (Invoke-Build ?? $path).Values) {
    if ($t.InvocationInfo.ScriptName -ne $path) {continue}
    if ($t.InvocationInfo.ScriptLineNumber -gt $line) {break}
    $task = $t.Name
}

if ($_Console) {
    $command = "Invoke-Build '$($task.Replace("'", "''"))' '$($path.Replace("'", "''"))'"
    $encoded = [Convert]::ToBase64String(([System.Text.Encoding]::Unicode.GetBytes($command)))
    Start-Process powershell.exe "-NoExit -NoProfile -ExecutionPolicy Bypass -EncodedCommand $encoded"
}
else {
    Invoke-Build $task $path
}

} catch {if ($_.InvocationInfo.ScriptName -like '*Invoke-TaskFromVSCode.ps1') {$PSCmdlet.ThrowTerminatingError($_)} throw}