From a0d2bac02b05563e93a75cd871e440cceffdd9d8 Mon Sep 17 00:00:00 2001
From: James Brundage <@github.com>
Date: Thu, 20 Jul 2023 00:28:29 -0700
Subject: [PATCH] Adding Posh.Errors

Fixes #4, Fixes #18, Fixes #19, Fixes #20, Fixes #21, Fixes #22
---
 Types/Posh.Errors/LineLike.ps1    | 19 +++++++++++++++++++
 Types/Posh.Errors/LineMatch.ps1   | 18 ++++++++++++++++++
 Types/Posh.Errors/get_ByLine.ps1  | 25 +++++++++++++++++++++++++
 Types/Posh.Errors/get_ByType.ps1  | 23 +++++++++++++++++++++++
 Types/Posh.Errors/get_History.ps1 | 15 +++++++++++++++
 5 files changed, 100 insertions(+)
 create mode 100644 Types/Posh.Errors/LineLike.ps1
 create mode 100644 Types/Posh.Errors/LineMatch.ps1
 create mode 100644 Types/Posh.Errors/get_ByLine.ps1
 create mode 100644 Types/Posh.Errors/get_ByType.ps1
 create mode 100644 Types/Posh.Errors/get_History.ps1

diff --git a/Types/Posh.Errors/LineLike.ps1 b/Types/Posh.Errors/LineLike.ps1
new file mode 100644
index 0000000..9422f01
--- /dev/null
+++ b/Types/Posh.Errors/LineLike.ps1
@@ -0,0 +1,19 @@
+<#
+.SYNOPSIS
+    Filters errors by line wildcard
+.DESCRIPTION
+    Filters entries in $Error for items that a .Line like a wildcard.
+.EXAMPLE
+    $error.LineLike("Get-*")
+#>
+param(
+# A wildcard pattern.
+[string]
+$Like
+)
+
+,@(foreach ($err in $this) {
+    if ($err.InvocationInfo.Line -like $Like) {
+        $err
+    }
+})
\ No newline at end of file
diff --git a/Types/Posh.Errors/LineMatch.ps1 b/Types/Posh.Errors/LineMatch.ps1
new file mode 100644
index 0000000..68d551a
--- /dev/null
+++ b/Types/Posh.Errors/LineMatch.ps1
@@ -0,0 +1,18 @@
+<#
+.SYNOPSIS
+    Filters errors by command pattern
+.DESCRIPTION
+    Filters entries in $Error for items that have a .CommandLine matching the pattern.
+.EXAMPLE
+    $error.LineMatc("^Get")
+#>
+param(
+# A regular expression.
+$Match
+)
+
+,@(foreach ($err in $this) {
+    if ($err.InvocationInfo.Line -match $match) {
+        $err
+    }
+})
\ No newline at end of file
diff --git a/Types/Posh.Errors/get_ByLine.ps1 b/Types/Posh.Errors/get_ByLine.ps1
new file mode 100644
index 0000000..b2f6ad8
--- /dev/null
+++ b/Types/Posh.Errors/get_ByLine.ps1
@@ -0,0 +1,25 @@
+<#
+.SYNOPSIS
+    Gets errors by line
+.DESCRIPTION
+    Gets all lines that produced errors
+.EXAMPLE
+    $error.ByLine    
+#>
+$errorsByLine = 
+    [Collections.Generic.Dictionary[
+        string,
+        [Collections.Generic.List[psobject]]
+    ]]::new([System.StringComparer]::OrdinalIgnoreCase)
+
+
+foreach ($err in $this) {
+    
+    $errLine = $err.InvocationInfo.Line
+    if (-not $errLine) { continue }
+    if (-not $errorsByLine[$errLine]) {
+        $errorsByLine[$errLine] = [Collections.Generic.List[psobject]]::new()
+    }
+    $null = $errorsByLine[$errLine].Add($err)
+}
+$errorsByLine
diff --git a/Types/Posh.Errors/get_ByType.ps1 b/Types/Posh.Errors/get_ByType.ps1
new file mode 100644
index 0000000..63d83b6
--- /dev/null
+++ b/Types/Posh.Errors/get_ByType.ps1
@@ -0,0 +1,23 @@
+<#
+
+#>
+$errorsByType = 
+    [Collections.Generic.Dictionary[
+        type,
+        [Collections.Generic.List[psobject]]
+    ]]::new()
+
+
+foreach ($err in $this) {
+    
+    $exceptionType = if ($err.Exception) {
+        $err.Exception.GetType()
+    } else {
+        $err.GetType()
+    }
+    if (-not $errorsByType[$exceptionType]) {
+        $errorsByType[$exceptionType] = [Collections.Generic.List[psobject]]::new()
+    }
+    $null = $errorsByType[$exceptionType].Add($err)
+}
+$errorsByType
diff --git a/Types/Posh.Errors/get_History.ps1 b/Types/Posh.Errors/get_History.ps1
new file mode 100644
index 0000000..667c435
--- /dev/null
+++ b/Types/Posh.Errors/get_History.ps1
@@ -0,0 +1,15 @@
+<#
+.SYNOPSIS
+    Gets Error History
+.DESCRIPTION
+    Gets the history items associated with PowerShell Errors
+.EXAMPLE
+    $Error.History
+#>
+$historyIDS = @(foreach ($err in $this) {
+    if ($err.InvocationInfo.HistoryId -gt 0) {
+        $err.InvocationInfo.HistoryId
+    }
+})
+
+Get-History -Id $historyIDS
\ No newline at end of file