Add cmd to remove icon or color theme

Author: devblackops

Terminal-Icons/Public/Remove-TerminalIconsTheme.ps1

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+function Remove-TerminalIconsTheme {
+    <#
+    .SYNOPSIS
+        Removes a color or icon theme
+    .DESCRIPTION
+        Removes a given icon or color theme. In order to be removed, a theme must not be active.
+    .PARAMETER IconTheme
+        The icon theme to remove.
+    .PARAMETER ColorTheme
+        The color theme to remove.
+    .EXAMPLE
+        PS> Remove-TerminalIconsTheme -IconTheme MyAwesomeTheme
+
+        Removes the icon theme 'MyAwesomeTheme'
+    .EXAMPLE
+        PS> Remove-TerminalIconsTheme -ColorTheme MyAwesomeTheme
+
+        Removes the color theme 'MyAwesomeTheme'
+    .INPUTS
+        System.String
+
+        The name of the color or icon theme to remove.
+    .OUTPUTS
+        None.
+    .LINK
+        Set-TerminalIconsTheme
+    .LINK
+        Add-TerminalIconsColorTheme
+    .LINK
+        Add-TerminalIconsIconTheme
+    .LINK
+        Get-TerminalIconsTheme
+    .NOTES
+        A theme must not be active in order to be removed.
+    #>
+    [cmdletbinding()]
+    param(
+        [ArgumentCompleter({
+            param($Command, $Parameter, $WordToComplete, $CommandAst, $FakeBoundParams)
+            (Get-TerminalIconsIconTheme).Keys | Sort-Object
+        })]
+        [string]$IconTheme,
+
+        [ArgumentCompleter({
+            param($Command, $Parameter, $WordToComplete, $CommandAst, $FakeBoundParams)
+            (Get-TerminalIconsColorTheme).Keys | Sort-Object
+        })]
+        [string]$ColorTheme
+    )
+
+    $currentTheme     = Get-TerminalIconsTheme
+    $themeStoragePath = Get-ThemeStoragePath
+
+    if ($ColorTheme) {
+        if ($currentTheme.Color.Name -ne $ColorTheme) {
+            $themePath = Join-Path $themeStoragePath "$($ColorTheme)_color.xml"
+            if (-not (Test-Path $themePath)) {
+                Write-Error "Could not find theme file [$themePath]"
+            } else {
+                if ($userThemeData.Themes.Color.ContainsKey($ColorTheme)) {
+                    $userThemeData.Themes.Color.Remove($ColorTheme)
+                } else {
+                    # We shouldn't be here
+                    Write-Error "Color theme [$ColorTheme] is not registered."
+                }
+                Remove-Item $themePath -Force
+            }
+        } else {
+            Write-Error ("Color theme [{0}] is active. Please select another theme before removing this it." -f $ColorTheme)
+        }
+    }
+
+    if ($IconTheme) {
+        if ($currentTheme.Icon.Name -ne $IconTheme) {
+            $themePath = Join-Path $themeStoragePath "$($IconTheme)_icon.xml"
+            if (-not (Test-Path $themePath)) {
+                Write-Error "Could not find theme file [$themePath]"
+            } else {
+                if ($userThemeData.Themes.Icon.ContainsKey($IconTheme)) {
+                    $userThemeData.Themes.Icon.Remove($IconTheme)
+                } else {
+                    # We shouldn't be here
+                    Write-Error "Icon theme [$IconTheme] is not registered."
+                }
+                Remove-Item $themePath -Force
+            }
+        } else {
+            Write-Error ("Icon theme [{0}] is active. Please select another theme before removing this it." -f $IconTheme)
+        }
+    }
+}

docs/en-US/Remove-TerminalIconsTheme.md

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+---
+external help file: Terminal-Icons-help.xml
+Module Name: Terminal-Icons
+online version:
+schema: 2.0.0
+---
+
+# Remove-TerminalIconsTheme
+
+## SYNOPSIS
+Removes a color or icon theme
+
+## SYNTAX
+
+```
+Remove-TerminalIconsTheme [[-IconTheme] <String>] [[-ColorTheme] <String>] [<CommonParameters>]
+```
+
+## DESCRIPTION
+Removes a given icon or color theme.
+In order to be removed, a theme must not be active.
+
+## EXAMPLES
+
+### EXAMPLE 1
+```
+Remove-TerminalIconsTheme -IconTheme MyAwesomeTheme
+```
+
+Removes the icon theme 'MyAwesomeTheme'
+
+### EXAMPLE 2
+```
+Remove-TerminalIconsTheme -ColorTheme MyAwesomeTheme
+```
+
+Removes the color theme 'MyAwesomeTheme'
+
+## PARAMETERS
+
+### -IconTheme
+The icon theme to remove.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: 1
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -ColorTheme
+The color theme to remove.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: 2
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### CommonParameters
+This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](http://go.microsoft.com/fwlink/?LinkID=113216).
+
+## INPUTS
+
+### System.String
+### The name of the color or icon theme to remove.
+## OUTPUTS
+
+### None.
+## NOTES
+A theme must not be active in order to be removed.
+
+## RELATED LINKS
+
+[Set-TerminalIconsTheme]()
+
+[Add-TerminalIconsColorTheme]()
+
+[Add-TerminalIconsIconTheme]()
+
+[Get-TerminalIconsTheme]()
+