posh-tabcomplete

Blazing fast tab completion for powershell and pwsh.

This video is using the MenuComplete binding in code $PROFILE:

Set-PSReadLineKeyHandler -Key Tab MenuComplete

Features:

Fast startup and execution using nushell/nu-engine
Extendable using .nu files, with built in support for commmon tasks like git and npm run
Supports all platforms. Tested on windows, WSL, mac and linux

By default, completions.nu is used. An alternative .nu file can be specified in the TABCOMPLETE_FILE environment variable.

Installation

There are binaries available in releases, or with one of these commands:

Repository	Instructions
crates.io	`cargo install posh-tabcomplete --locked`

Add this line to your profile, you can edit this by typing code $PROFILE in powershell:

Invoke-Expression (&posh-tabcomplete init | Out-String)

The completions packaged with the binary in completions.nu are:

To run these, run ./benchmark/benchmark_all.ps1

Benchmark	Results
`benchmark/init` - startup time	posh-tabcomplete: 42ms, posh-git: 268ms (6.38x faster)
`benchmark/complete` - tab completion (100 branches)	posh-tabcomplete: 80ms, posh-git: 176ms (2.2x faster)

Functions are supported. For example, the completion of gco in the demo is:

function gco() { git checkout $args }

There is no support for alias completions at this time.