new demo

Pwsh/Modules/UsingMergeHashtable-ToMergeConfig.ps1

@@ -0,0 +1,96 @@
+Function MergeHash {
+    <#
+    .description
+        Copy and append BaseHash with new values from UpdateHash
+     #>
+    [cmdletbinding()]
+    [OutputType('System.Collections.Hashtable')]
+    [Alias('nin.MergeHash')]
+    param(
+        # base hashtable
+        [AllowNull()]
+        [Parameter(Mandatory)][hashtable]$BaseHash,
+
+        # New values to append and/or overwrite
+        [AllowNull()]
+        [Parameter(Mandatory)][hashtable]$OtherHash,
+
+        # normal is to not modify left, return a new hashtable
+        [Parameter()][switch]$MutateLeft
+    )
+    $BaseHash ??= @{}
+    $OtherHash ??= @{}
+
+    if (! $MutateLeft ) {
+        $TargetHash = [hashtable]::new( $BaseHash, $newCompareType )
+    } else {
+        Write-Debug 'Mutate enabled'
+        $TargetHash = $BaseHash
+    }
+    $OtherHash.GetEnumerator() | ForEach-Object {
+        $TargetHash[ $_.Key ] = $_.Value
+    }
+
+    return $TargetHash
+}
+
+function WriteText {
+    param(
+        [string]$Label,
+        [object]$Contents,
+        [hashtable]$Options = @{}
+    )
+
+    $Config = nin.MergeHash -OtherHash $Options -BaseHash @{
+        Prefix = "`n"
+        Suffix = "`n"
+        Separator = ", "
+        Fg = '#fee091'
+        Bg = '#333333'
+    }
+    $color = @(
+        $PSStyle.Foreground.FromRgb( $Config.Fg )
+        $PSStyle.Background.FromRgb( $Config.Bg )
+    ) -join ''
+
+    $joinStringSplat = @{
+        Separator    = $Config.Separator
+        OutputSuffix = $Config.Suffix
+        OutputPrefix = $Config.Prefix
+    }
+    $Contents
+        | Join-String @joinStringSplat
+        | Join-String -op $Color -os $PSStyle.Reset
+}
+
+WriteText -Contents 'hi world'
+WriteText -Contents 'hi world' -Options @{ Fg = '#7ca3bb' }
+WriteText -Contents @('a'..'f') -Options @{ Separator = '-'  }
+
+WriteText -Contents @('a'..'c') -Options @{
+    Separator = "`n - "
+    OutputPrefix = "`n - "
+}
+
+function WriteCsv {
+    param(
+        [Alias('InputObject')]
+        $Content
+    )
+    WriteText -Contents $Content -Options @{
+        Separator = ', '
+    }
+}
+function WriteUL {
+    param(
+        [Alias('InputObject')]
+        $Content
+    )
+    WriteText -Contents $Content -Options @{
+        Separator = "`n • "
+        Prefix    = "`n • "
+    }
+}
+
+WriteUL -in  ( Get-Process | Select -first 5 | % Name )
+WriteCsv -in ( Get-Process | Select -first 15 | % Name )