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function Get-Checksum($file) {
$cryptoProvider = New-Object "System.Security.Cryptography.MD5CryptoServiceProvider"
$fileInfo = Get-Item $file
trap { ;
continue } $stream = $fileInfo.OpenRead()
if ($? -eq $false) {
# Couldn't open file for reading
return $null
}
$bytes = $cryptoProvider.ComputeHash($stream)
$checksum = ''
foreach ($byte in $bytes) {
$checksum += $byte.ToString('x2')
}
$stream.Close() | Out-Null
return $checksum
}
function AddOrUpdate-Reference($scriptsFolderProjectItem, $fileNamePattern, $newFileName) {
try {
$referencesFileProjectItem = $scriptsFolderProjectItem.ProjectItems.Item("_references.js")
}
catch {
# _references.js file not found
return
}
if ($referencesFileProjectItem -eq $null) {
# _references.js file not found
return
}
$referencesFilePath = $referencesFileProjectItem.FileNames(1)
$referencesTempFilePath = Join-Path $env:TEMP "_references.tmp.js"
if ((Select-String $referencesFilePath -pattern $fileNamePattern).Length -eq 0) {
# File has no existing matching reference line
# Add the full reference line to the beginning of the file
"/// <reference path=""$newFileName"" />" | Add-Content $referencesTempFilePath -Encoding UTF8
Get-Content $referencesFilePath | Add-Content $referencesTempFilePath
}
else {
# Loop through file and replace old file name with new file name
Get-Content $referencesFilePath | ForEach-Object { $_ -replace $fileNamePattern, $newFileName } > $referencesTempFilePath
}
# Copy over the new _references.js file
Copy-Item $referencesTempFilePath $referencesFilePath -Force
Remove-Item $referencesTempFilePath -Force
}
function Remove-Reference($scriptsFolderProjectItem, $fileNamePattern) {
try {
$referencesFileProjectItem = $scriptsFolderProjectItem.ProjectItems.Item("_references.js")
}
catch {
# _references.js file not found
return
}
if ($referencesFileProjectItem -eq $null) {
return
}
$referencesFilePath = $referencesFileProjectItem.FileNames(1)
$referencesTempFilePath = Join-Path $env:TEMP "_references.tmp.js"
if ((Select-String $referencesFilePath -pattern $fileNamePattern).Length -eq 1) {
# Delete the line referencing the file
Get-Content $referencesFilePath | ForEach-Object { if (-not ($_ -match $fileNamePattern)) { $_ } } > $referencesTempFilePath
# Copy over the new _references.js file
Copy-Item $referencesTempFilePath $referencesFilePath -Force
Remove-Item $referencesTempFilePath -Force
}
}
function Delete-ProjectItem($item) {
$itemDeleted = $false
for ($1=1; $i -le 5; $i++) {
try {
$item.Delete()
$itemDeleted = $true
break
}
catch {
# Try again in 200ms
[System.Threading.Thread]::Sleep(200)
}
}
if ($itemDeleted -eq $false) {
throw "Unable to delete project item after five attempts."
}
}
# Extract the version number from the jquery file in the package's content\scripts folder
$packageScriptsFolder = Join-Path $installPath Content\Scripts
$jqueryFileName = Join-Path $packageScriptsFolder "jquery-*.js" | Get-ChildItem -Exclude "*.min.js","*-vsdoc.js" | Split-Path -Leaf
$jqueryFileNameRegEx = "jquery-((?:\d+\.)?(?:\d+\.)?(?:\d+\.)?(?:\d+)).js"
$jqueryFileName -match $jqueryFileNameRegEx
$ver = $matches[1]
$intelliSenseFileName = "jquery-$ver.intellisense.js"
# Get the project item for the scripts folder
try {
$scriptsFolderProjectItem = $project.ProjectItems.Item("Scripts")
$projectScriptsFolderPath = $scriptsFolderProjectItem.FileNames(1)
}
catch {
# No Scripts folder
Write-Host "No scripts folder found"
}
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Carl Randall is the founder of AssemblySoft.com where he offers freelancing services. He has specialized in Information Technology solutions for over 20 years. Specializing in full life-cycle development projects for both enterprise-wide systems, desktop applications and Internet based solutions. Carl is a Microsoft Cloud expert.
Carl has been involved in .Net since it's inception and is currently a Microsoft Certified Professional Developer (Enterprise).
You can read a little more from Carl from his personal blog: https://www.carlrandall.net/ which covers Azure, Blazor and .Net topics.
When not coding and designing, Carl enjoys playing table tennis, tennis, sailing and spending time by the beach - when the british weather permits