clap/clap_complete/tests/snapshots/feature_sample.ps1
Andrew Shu fdcee9313f feat(complete): Add completion for help subcommands
Adds parser flags to toggle whether to run the
expensive clone logic for completions case.

Help completion will only suggest subcommands, not args.

clap_complete generator sets the flag.
2022-08-25 13:58:08 -07:00

59 lines
3.1 KiB
PowerShell

using namespace System.Management.Automation
using namespace System.Management.Automation.Language
Register-ArgumentCompleter -Native -CommandName 'my-app' -ScriptBlock {
param($wordToComplete, $commandAst, $cursorPosition)
$commandElements = $commandAst.CommandElements
$command = @(
'my-app'
for ($i = 1; $i -lt $commandElements.Count; $i++) {
$element = $commandElements[$i]
if ($element -isnot [StringConstantExpressionAst] -or
$element.StringConstantType -ne [StringConstantType]::BareWord -or
$element.Value.StartsWith('-') -or
$element.Value -eq $wordToComplete) {
break
}
$element.Value
}) -join ';'
$completions = @(switch ($command) {
'my-app' {
[CompletionResult]::new('-c', 'c', [CompletionResultType]::ParameterName, 'some config file')
[CompletionResult]::new('-C', 'C', [CompletionResultType]::ParameterName, 'some config file')
[CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'some config file')
[CompletionResult]::new('--conf', 'conf', [CompletionResultType]::ParameterName, 'some config file')
[CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information')
[CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information')
[CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Print version information')
[CompletionResult]::new('--version', 'version', [CompletionResultType]::ParameterName, 'Print version information')
[CompletionResult]::new('test', 'test', [CompletionResultType]::ParameterValue, 'tests things')
[CompletionResult]::new('help', 'help', [CompletionResultType]::ParameterValue, 'Print this message or the help of the given subcommand(s)')
break
}
'my-app;test' {
[CompletionResult]::new('--case', 'case', [CompletionResultType]::ParameterName, 'the case to test')
[CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information')
[CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information')
[CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Print version information')
[CompletionResult]::new('--version', 'version', [CompletionResultType]::ParameterName, 'Print version information')
break
}
'my-app;help' {
[CompletionResult]::new('test', 'test', [CompletionResultType]::ParameterValue, 'tests things')
[CompletionResult]::new('help', 'help', [CompletionResultType]::ParameterValue, 'Print this message or the help of the given subcommand(s)')
break
}
'my-app;help;test' {
break
}
'my-app;help;help' {
break
}
})
$completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
Sort-Object -Property ListItemText
}