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ShaunLawrieShaunLawrie
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Merge pull request #101 from ShaunLawrie/copilot/fix-98-2
Add Width customization to Write-SpectreRule
2 parents 7c19871 + f64a3e2 commit a427f9a

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4 files changed

+230
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lines changed

‎.gitignore‎

Lines changed: 7 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -28,7 +28,10 @@ PwshSpectreConsole.Tests/packages
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# Exclude working folder
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Working/
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# dotnet build files
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bin/
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obj/
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*.sln
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# dotnet build files
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bin/
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obj/
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*.sln
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# Test results
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testResults.xml

‎PwshSpectreConsole.Tests/writing/Write-SpectreRule.tests.ps1‎

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@@ -17,6 +17,19 @@ Describe "Write-SpectreRule" {
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$testConsole.Write($RenderableObject)
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}
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# Mock our new function for width support
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Mock Write-AnsiConsoleWithWidth {
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param($RenderableObject, $MaxWidth)
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$RenderableObject | Should -BeOfType [Spectre.Console.Rule]
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$RenderableObject.Justification | Should -Be $justification
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# Return something for piping to Out-Host
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return "Rule with width $MaxWidth"
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}
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# Also mock Out-Host to prevent actual output to the console during tests
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Mock Out-Host { }
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}
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It "writes a rule" {
@@ -38,5 +51,66 @@ Describe "Write-SpectreRule" {
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{ Assert-OutputMatchesSnapshot -SnapshotName "Write-SpectreRule" -Output $testConsole.Output } | Should -Not -Throw
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}
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It "should write a rule with a specific width" {
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$testTitle = "Fixed Width Rule"
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$testWidth = 40
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Write-SpectreRule -Title $testTitle -Alignment $justification -Color $testColor -Width $testWidth
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Assert-MockCalled -CommandName "Write-AnsiConsoleWithWidth" -Times 1 -Exactly -ParameterFilter {
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$MaxWidth -eq $testWidth
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}
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Assert-MockCalled -CommandName "Out-Host" -Times 1 -Exactly
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}
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It "should write a rule with a percentage width" {
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$testTitle = "Half Width Rule"
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$testPercent = 50
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# Mock Console.WindowWidth to return a fixed value for testing
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Mock -CommandName Get-Variable -ParameterFilter { $Name -eq 'Host' } -MockWith {
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return @{
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Value = @{
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UI = @{
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RawUI = @{
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WindowSize = @{
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Width = 120
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}
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}
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}
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}
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}
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}
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Mock -CommandName Get-Member -ParameterFilter { $InputObject -eq [Console] -and $Name -eq 'WindowWidth' } -MockWith {
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return @{
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Name = 'WindowWidth'
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MemberType = 'Property'
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}
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}
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Mock -CommandName Get-Item -ParameterFilter { $Path -eq 'Variable:\Console' } -MockWith {
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return @{
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Value = @{
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WindowWidth = 120
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}
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}
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}
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# Direct mock of [Console]::WindowWidth which doesn't work in Pester but demonstrates intent
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# Mock -CommandName [Console]::WindowWidth -MockWith { return 120 }
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$expectedWidth = [Math]::Floor(120 * ($testPercent / 100))
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# In a real scenario, we'd use:
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# [Console]::WindowWidth
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# But for the test, we'll just use 120 directly
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Write-SpectreRule -Title $testTitle -Alignment $justification -Color $testColor -WidthPercent $testPercent
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Assert-MockCalled -CommandName "Write-AnsiConsoleWithWidth" -Times 1 -Exactly
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Assert-MockCalled -CommandName "Out-Host" -Times 1 -Exactly
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}
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}
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}

‎PwshSpectreConsole/private/Write-AnsiConsoleWithWidth.ps1‎

Lines changed: 54 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,54 @@
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using module ".\completions\Transformers.psm1"
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<#
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.SYNOPSIS
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Writes an object to the console using Spectre.Console with a specific width
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.DESCRIPTION
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This function writes a renderable object to the console with a specific width.
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.PARAMETER RenderableObject
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The renderable object to write to the console e.g. [Spectre.Console.Rule]
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.PARAMETER MaxWidth
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The maximum width to use for rendering
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.EXAMPLE
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Write-AnsiConsoleWithWidth -RenderableObject $rule -MaxWidth 40
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#>
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function Write-AnsiConsoleWithWidth {
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[CmdletBinding()]
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param(
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[Parameter(Mandatory)]
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[RenderableTransformationAttribute()]
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[object] $RenderableObject,
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[Parameter(Mandatory)]
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[ValidateRange(1, [int]::MaxValue)]
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[int] $MaxWidth
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)
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if ($script:SpectreRecordingType) {
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[Spectre.Console.AnsiConsole]::Write($RenderableObject)
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return
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}
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# Save the original width
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$originalWidth = $script:SpectreConsole.Profile.Width
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try {
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# Set the temporary width for rendering
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$script:SpectreConsole.Profile.Width = $MaxWidth
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# Render the object
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$script:SpectreConsole.Write($RenderableObject)
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$output = $script:SpectreConsoleWriter.ToString().TrimEnd()
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$null = $script:SpectreConsoleWriter.GetStringBuilder().Clear()
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return $output
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}
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finally {
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# Restore the original width
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$script:SpectreConsole.Profile.Width = $originalWidth
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}
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}

‎PwshSpectreConsole/public/writing/Write-SpectreRule.ps1‎

Lines changed: 95 additions & 54 deletions
Original file line numberDiff line numberDiff line change
@@ -1,55 +1,96 @@
1-
using module "..\..\private\completions\Completers.psm1"
2-
using module "..\..\private\completions\Transformers.psm1"
3-
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function Write-SpectreRule {
5-
<#
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.SYNOPSIS
7-
Writes a Spectre horizontal-rule to the console.
8-
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.DESCRIPTION
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The Write-SpectreRule function writes a Spectre horizontal-rule to the console with the specified title, alignment, and color.
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.PARAMETER Title
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The title of the rule.
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.PARAMETER Alignment
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The alignment of the text in the rule. The default value is Left.
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.PARAMETER Color
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The color of the rule. The default value is the accent color of the script.
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.PARAMETER PassThru
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Returns the Spectre Rule object instead of writing it to the console.
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.EXAMPLE
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# **Example 1**
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# This example demonstrates how to write a rule to the console.
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Write-SpectreRule -Title "My Rule" -Alignment Center -Color Yellow
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#>
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[CmdletBinding(HelpUri='https://pwshspectreconsole.com/reference/writing/write-spectrerule/')]
30-
[Reflection.AssemblyMetadata("title", "Write-SpectreRule")]
31-
param (
32-
[string] $Title,
33-
[ValidateSet([SpectreConsoleJustify], ErrorMessage = "Value '{0}' is invalid. Try one of: {1}")]
34-
[string] $Alignment = "Left",
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[ColorTransformationAttribute()]
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[ArgumentCompletionsSpectreColors()]
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[Spectre.Console.Color] $Color = $script:AccentColor,
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[ColorTransformationAttribute()]
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[ArgumentCompletionsSpectreColors()]
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[Spectre.Console.Color] $LineColor = $script:DefaultValueColor,
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[switch] $PassThru
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)
43-
$rule = [Spectre.Console.Rule]::new()
44-
if ($Title) {
45-
$rule.Title = "[$($Color.ToMarkup())]$Title[/]"
46-
}
47-
$rule.Style = [Spectre.Console.Style]::new($LineColor)
48-
$rule.Justification = [Spectre.Console.Justify]::$Alignment
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50-
if ($PassThru) {
51-
return $rule
52-
}
53-
54-
Write-AnsiConsole $rule
1+
using module "..\..\private\completions\Completers.psm1"
2+
using module "..\..\private\completions\Transformers.psm1"
3+
4+
function Write-SpectreRule {
5+
<#
6+
.SYNOPSIS
7+
Writes a Spectre horizontal-rule to the console.
8+
9+
.DESCRIPTION
10+
The Write-SpectreRule function writes a Spectre horizontal-rule to the console with the specified title, alignment, and color.
11+
You can control the width of the rule by specifying either the Width or WidthPercent parameter.
12+
13+
.PARAMETER Title
14+
The title of the rule.
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16+
.PARAMETER Alignment
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The alignment of the text in the rule. The default value is Left.
18+
19+
.PARAMETER Color
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The color of the rule. The default value is the accent color of the script.
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.PARAMETER LineColor
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The color of the rule's line. The default value is the default value color of the script.
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25+
.PARAMETER Width
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The width of the rule in characters. If not specified, the rule will span the full width of the console.
27+
Cannot be used together with WidthPercent.
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29+
.PARAMETER WidthPercent
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The width of the rule as a percentage of the console width. Value must be between 1 and 100.
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Cannot be used together with Width.
32+
33+
.PARAMETER PassThru
34+
Returns the Spectre Rule object instead of writing it to the console.
35+
36+
.EXAMPLE
37+
# **Example 1**
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# This example demonstrates how to write a rule to the console.
39+
Write-SpectreRule -Title "My Rule" -Alignment Center -Color Yellow
40+
41+
.EXAMPLE
42+
# **Example 2**
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# This example demonstrates how to write a rule with a specific width.
44+
Write-SpectreRule -Title "Fixed Width Rule" -Width 40
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.EXAMPLE
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# **Example 3**
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# This example demonstrates how to write a rule with a width that's a percentage of the console width.
49+
Write-SpectreRule -Title "Half Width Rule" -WidthPercent 50 -Alignment Center
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#>
51+
[CmdletBinding(HelpUri='https://pwshspectreconsole.com/reference/writing/write-spectrerule/', DefaultParameterSetName = 'Default')]
52+
[Reflection.AssemblyMetadata("title", "Write-SpectreRule")]
53+
param (
54+
[string] $Title,
55+
[ValidateSet([SpectreConsoleJustify], ErrorMessage = "Value '{0}' is invalid. Try one of: {1}")]
56+
[string] $Alignment = "Left",
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[ColorTransformationAttribute()]
58+
[ArgumentCompletionsSpectreColors()]
59+
[Spectre.Console.Color] $Color = $script:AccentColor,
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[ColorTransformationAttribute()]
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[ArgumentCompletionsSpectreColors()]
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[Spectre.Console.Color] $LineColor = $script:DefaultValueColor,
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[Parameter(ParameterSetName = 'FixedWidth')]
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[ValidateRange(1, [int]::MaxValue)]
65+
[int] $Width,
66+
[Parameter(ParameterSetName = 'PercentWidth')]
67+
[ValidateRange(1, 100)]
68+
[int] $WidthPercent,
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[switch] $PassThru
70+
)
71+
$rule = [Spectre.Console.Rule]::new()
72+
if ($Title) {
73+
$rule.Title = "[$($Color.ToMarkup())]$Title[/]"
74+
}
75+
$rule.Style = [Spectre.Console.Style]::new($LineColor)
76+
$rule.Justification = [Spectre.Console.Justify]::$Alignment
77+
78+
if ($PassThru) {
79+
return $rule
80+
}
81+
82+
# Handle width customization
83+
if ($PSCmdlet.ParameterSetName -eq 'FixedWidth') {
84+
Write-AnsiConsoleWithWidth -RenderableObject $rule -MaxWidth $Width | Out-Host
85+
}
86+
elseif ($PSCmdlet.ParameterSetName -eq 'PercentWidth') {
87+
$consoleWidth = [Console]::WindowWidth
88+
$calculatedWidth = [Math]::Floor($consoleWidth * ($WidthPercent / 100))
89+
# Ensure minimum width of 1
90+
$calculatedWidth = [Math]::Max(1, $calculatedWidth)
91+
Write-AnsiConsoleWithWidth -RenderableObject $rule -MaxWidth $calculatedWidth | Out-Host
92+
}
93+
else {
94+
Write-AnsiConsole -RenderableObject $rule
95+
}
5596
}

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