techthoughts2

# https://learn.microsoft.com/en-us/powershell/scripting/learn/deep-dives/everything-about-shouldprocess?view=powershell-7.3

[CmdletBinding(ConfirmImpact = 'Low',
        SupportsShouldProcess = $true)]
        
# $PSCmdlet.ShouldProcess('TARGET')
# $PSCmdlet.ShouldProcess('TARGET','OPERATION')
# $PSCmdlet.ShouldProcess('MESSAGE','TARGET','OPERATION')
# -Confirm --> $ConfirmPreference = 'Low'
# ShouldProcess intercepts WhatIf* --> no need to pass it on

techthoughts2

DynamicParam {
    if (-not [String]::IsNullOrWhiteSpace($CICDChoice) -and $script:repoToCICD.ContainsKey($CICDChoice) ) {
        $attrRepo = [System.Management.Automation.ParameterAttribute]::new()
        $attrRepo.ParameterSetName = 'Choice'
        $attrRepo.Mandatory = $true
        $attrRepo.HelpMessage = 'TBD'

        $attrRepoValidation = [System.Management.Automation.ValidateSetAttribute]::new([String[]]$script:repoToCICD[$CICDChoice])

        $attributeCollection = [System.Collections.ObjectModel.Collection[System.Attribute]]::new()

techthoughts2

#region settings

#! Enter all required modules you want to bootstrap for use in your PowerShell lambda layers
$requiredModules = @(
    @{
        ModuleName    = 'AWS.Tools.Common'
        ModuleVersion = '4.1.175'
    },
    @{
        ModuleName    = 'PoshGram'

techthoughts2

/*
- Static typing
- Code completion
- Refactoring
- Shorthand notations

transpilation
    typescript -> javascript
*/

techthoughts2

console.log('Hello World')

//#region variables

/*
Cannot be a reserved keyword
Cannot start with a number
Cannot contain space or hyphen
Are case sensitive
*/

techthoughts2

# CDK Custom pwsh

## Links

- [Introducing the PowerShell custom runtime for AWS Lambda](https://aws.amazon.com/blogs/compute/introducing-the-powershell-custom-runtime-for-aws-lambda/)
- [awslabs / aws-lambda-powershell-runtime](https://github.com/awslabs/aws-lambda-powershell-runtime)
- [Custom AWS Lambda runtimes](https://docs.aws.amazon.com/lambda/latest/dg/runtimes-custom.html)
- [How to use Lambda Layers in AWS CDK - Complete Guide](https://bobbyhadz.com/blog/aws-cdk-lambda-layers)
  - [bobbyhadz / aws-cdk-lambda-layers](https://github.com/bobbyhadz/aws-cdk-lambda-layers)
- [KevinMarquette / PowerShell-Lambda-Runtime](https://github.com/KevinMarquette/PowerShell-Lambda-Runtime)

techthoughts2

# AWS CDK Typescript setup on Windows

## Install Requirements

```bash
# install nodejs
winget install OpenJS.NodeJS
# if already installed upgrade
winget upgrade OpenJS.NodeJS

techthoughts2

winget upgrade Microsoft.AzureStorageExplorer --silent --accept-package-agreements --accept-source-agreements
winget upgrade Microsoft.AzureCLI --silent --accept-package-agreements --accept-source-agreements
winget upgrade Microsoft.Bicep --silent --accept-package-agreements --accept-source-agreements
az bicep upgrade
Update-Module Az

techthoughts2

# OFS - special variable that contains the string to be used as the output field seperator
$OFS = '...';$array = ('first','last');[string]$array; Remove-Variable OFS
$array = ('first','last');[string]$array;

techthoughts2

# wrap Measure-Command in & { } for increased measuring performance
Measure-Command { & {
    $var = foreach ($i in 0..50000){
        $i
    }
}}