<#

.SYNOPSIS

Run this PowerShell script to enable dev mode and/or a custom script for the TypeScript language service, e.g.

PS C:\> .\scripts\VSDevMode.ps1 -enableDevMode -tsScript C:\src\TypeScript\built\local\

Note: If you get security errors, try running powershell as an Administrator and with the "-executionPolicy remoteSigned" switch

.PARAMETER vsVersion

Set to "12" for Dev12 (VS2013) or "14" (the default) for Dev14 (VS2015)

.PARAMETER enableDevMode

Pass this switch to enable attaching a debugger to the language service

.PARAMETER tsScript

The path to a directory containing a custom language service script to use (typescriptServices.js), e.g. "C:\src\TypeScript\built\local\"

#>

Param(

[int]$vsVersion = 14,

[switch]$enableDevMode,

[string]$tsScript

)

$vsRegKey = "HKCU:\Software\Microsoft\VisualStudio\${vsVersion}.0"

$tsRegKey = "${vsRegKey}\TypeScriptLanguageService"

if($enableDevMode -ne $true -and $tsScript -eq ""){

Throw "You must either enable language service debugging (-enableDevMode), set a custom script (-tsScript), or both"

}

if(!(Test-Path $vsRegKey)){

Throw "Visual Studio ${vsVersion} is not installed"

}

if(!(Test-Path $tsRegKey)){

# Create the TypeScript subkey if it doesn't exist

New-Item -path $tsRegKey

}

if($tsScript -ne ""){

$tsScriptServices = "${tsScript}\typescriptServices.js"

$tsScriptlib = "${tsScript}\lib.d.ts"

$tsES6Scriptlib = "${tsScript}\lib.es6.d.ts"

if(!(Test-Path $tsScriptServices)){

Throw "Could not locate the TypeScript language service script at ${tsScriptServices}"

}

else {

$path = resolve-path ${tsScriptServices}

Set-ItemProperty -path $tsRegKey -name CustomTypeScriptServicesFileLocation -value "${path}"

Write-Host "Enabled custom TypeScript language service at ${path} for Dev${vsVersion}"

}

if(!(Test-Path $tsScriptlib)){

Throw "Could not locate the TypeScript default library at ${tsScriptlib}"

}

else {

$path = resolve-path ${tsScriptlib}

Set-ItemProperty -path $tsRegKey -name CustomDefaultLibraryLocation -value "${path}"

Write-Host "Enabled custom TypeScript default library at ${path} for Dev${vsVersion}"

}

if(!(Test-Path $tsES6Scriptlib)){

Throw "Could not locate the TypeScript default ES6 library at ${tsES6Scriptlib}"

}

else {

$path = resolve-path ${tsES6Scriptlib}

Set-ItemProperty -path $tsRegKey -name CustomDefaultES6LibraryLocation -value "${path}"

Write-Host "Enabled custom TypeScript default ES6 library at ${path} for Dev${vsVersion}"

}

}

if($enableDevMode){

Set-ItemProperty -path $tsRegKey -name EnableDevMode -value 1

Write-Host "Enabled developer mode for Dev${vsVersion}"

}