Pre Commit hook for Prettier, dotnet format & terraform format. Relatively fast, only runs lints relevant to commit= content.

pre-commit.ps1

# Powershell scripts can be used in .git/hooks very easily ex:
# #!/usr/bin/env sh
# pwsh -noprofile -F "C:\Code\pre-commit.ps1"

$files = (git diff --cached --name-only --diff-filter=ACM);

if ( $files -like '*.tf' ) {
    $tfFmtResults = terraform fmt -recursive

    if ($LASTEXITCODE -ne 0){
        Write-Warning "Terraform FMT failed"
        Write-Warning $fmtResults
        exit 1
    }
}

if ( $files -like '*.cs' ) {
    $solution = Get-ChildItem -path *.sln

    if ($null -eq $solution) {
        Write-Warning "*.cs files in repo but no solution file found"
        exit 1
    }

    dotnet format $solution --no-restore --verify-no-changes

    if ($LASTEXITCODE -ne 0) {
        Write-Warning "CS FMT failed"
        Write-Warning $dotnetFmtResults
        exit 1
    }
}

if ( $files  -match '.(js|ts|vue|tsx)' ) {
    $prettierResult = npx prettier@3 --list-different '**/*.{js,ts,vue,tsx}' '!*.d.ts'

    if ($LASTEXITCODE -ne 0) {
        Write-Host "JS FMT failed"
	Write-Host $prettierResult
        exit 1
    }
}

exit 0