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