3da83322
 Administrator
21.03.16 Versrka
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# Copyright (c) 2014 Jason Jarrett
#
# Tab completion for the `gulp`
#
# Usage:
#
# To enable powershell <tab> completion for gulp you need to be running
# at least PowerShell v3 or greater and add the below to your $PROFILE
#
# Invoke-Expression ((gulp --completion=powershell) -join [System.Environment]::NewLine)
#
#
$gulp_completion_Process = {
param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameter)
# Load up an assembly to read the gulpfile's sha1
if(-not $global:GulpSHA1Managed) {
[Reflection.Assembly]::LoadWithPartialName("System.Security") | out-null
$global:GulpSHA1Managed = new-Object System.Security.Cryptography.SHA1Managed
}
# setup a global (in-memory) cache
if(-not $global:GulpfileShaCache) {
$global:GulpfileShaCache = @{};
}
$cache = $global:GulpfileShaCache;
# Get the gulpfile's sha1
$sha1gulpFile = (resolve-path gulpfile.js -ErrorAction Ignore | %{
$file = [System.IO.File]::Open($_.Path, "open", "read")
[string]::join('', ($global:GulpSHA1Managed.ComputeHash($file) | %{ $_.ToString("x2") }))
$file.Dispose()
})
# lookup the sha1 for previously cached task lists.
if($cache.ContainsKey($sha1gulpFile)){
$tasks = $cache[$sha1gulpFile];
} else {
$tasks = (gulp --tasks-simple).split("`n");
$cache[$sha1gulpFile] = $tasks;
}
$tasks |
where { $_.startswith($commandName) }
Sort-Object |
foreach { New-Object System.Management.Automation.CompletionResult $_, $_, 'ParameterValue', ('{0}' -f $_) }
}
if (-not $global:options) {
$global:options = @{
CustomArgumentCompleters = @{};
NativeArgumentCompleters = @{}
}
}
$global:options['NativeArgumentCompleters']['gulp'] = $gulp_completion_Process
$function:tabexpansion2 = $function:tabexpansion2 -replace 'End\r\n{','End { if ($null -ne $options) { $options += $global:options} else {$options = $global:options}'
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