gistfile1.ps1

#I created this to show how much there is on the MS Graph API.
#I pulled down the openapi (nee swagger) files for Users, users.actions, Users,functions and groups
#And using my https://github.com/jhoneill/PSGraph  - my version of Kevin Marquette's graphViz Module 
#this litte bit of script produced a graphical version

$paths      = @()
$ParentHash = @{}
function hasParent {
# .synopsis if the parent isn't in the call recursively with the parent. Add item and its parent to the hash 
    param($path)
    if ($path -notmatch "/") { return}
    $parent = $path -replace '^(.*)/.+?$','$1'
    if (-not $ParentHash[$parent]) {hasParent $parent }
    $ParentHash[$path] = $parent ; return $Path
}
#foreach yaml file get the root (servers in the yaml) and each path under paths
#to keep the view simple 
#filter out if we got too many levels deep end with $ref, or branches which have a 2nd ID 
dir *.yml | ForEach-Object  {
    $y = convertfrom-yaml (Get-Content $_ -Raw) 
    #top is the same in all the files so this over-write won't matter
    $top =  $y.servers.url -replace '/$', ''
    $ParentHash[$top] = $true
    $paths += $y.paths.Keys  |
                 Where-Object {($_ -notmatch '/\$\w+$') -and 
                               ($_ -notmatch 'id1\}/')  -and (
                               ($_ -split '/').count -lt 10)  } | 
                    ForEach-Object { hasParent( $top + $_)} | 
                        Sort-Object
}
# remove duplicates.
$paths = $paths | Sort-Object -unique


graph -Name g -Attributes @{rankdir="LR"; }  -ScriptBlock {
    #create root node 
    node -name     $top -Attributes @{
          label = ($top);  
          shape = 'folder'; fontname  = 'Segoe UI';
          style = 'filled'; fillcolor = 'lightyellow'; } 
    #for all the paths, add a node which is the last part of the path and link to their parent
    foreach ($p in $paths) { 
        node -Name $p -Attributes @{
           label = ($p -split "/")[-1]
           shape = 'folder'; fontname = 'Segoe UI'
           style ='filled' ; fillcolor='lightyellow' } 
        edge -NodeName ($p  -replace '^(.*)/.+?$','$1') `
             -To        $p 
    }
} | Export-PSGraph -ShowGraph -OutputFormat jpg
# this will output to a temporary file and open it. Change the type as needed.