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Downloads of v 1.18.0:


Last Update:

26 Sep 2023

Package Maintainer(s):

Software Author(s):

  • Johnny Morganz


luau-lsp luau oss language-server roblox foss lsp

Luau Language Server

  • 1
  • 2
  • 3

1.18.0 | Updated: 26 Sep 2023



Downloads of v 1.18.0:



Software Author(s):

  • Johnny Morganz

Luau Language Server 1.18.0

  • 1
  • 2
  • 3

Some Checks Have Failed or Are Not Yet Complete

Not All Tests Have Passed

Validation Testing Passed

Verification Testing Passed


Scan Testing Resulted in Flagged as a Note:

At least one file within this package has greater than 0 detections, but less than 5

Learn More

Deployment Method: Individual Install, Upgrade, & Uninstall

To install Luau Language Server, run the following command from the command line or from PowerShell:


To upgrade Luau Language Server, run the following command from the command line or from PowerShell:


To uninstall Luau Language Server, run the following command from the command line or from PowerShell:


Deployment Method:


This applies to both open source and commercial editions of Chocolatey.

1. Enter Your Internal Repository Url

(this should look similar to

2. Setup Your Environment

1. Ensure you are set for organizational deployment

Please see the organizational deployment guide

2. Get the package into your environment

  • Open Source or Commercial:
    • Proxy Repository - Create a proxy nuget repository on Nexus, Artifactory Pro, or a proxy Chocolatey repository on ProGet. Point your upstream to Packages cache on first access automatically. Make sure your choco clients are using your proxy repository as a source and NOT the default community repository. See source command for more information.
    • You can also just download the package and push it to a repository Download

3. Copy Your Script

choco upgrade luau-lsp -y --source="'INTERNAL REPO URL'" [other options]

See options you can pass to upgrade.

See best practices for scripting.

Add this to a PowerShell script or use a Batch script with tools and in places where you are calling directly to Chocolatey. If you are integrating, keep in mind enhanced exit codes.

If you do use a PowerShell script, use the following to ensure bad exit codes are shown as failures:

choco upgrade luau-lsp -y --source="'INTERNAL REPO URL'" 

Write-Verbose "Exit code was $exitCode"
$validExitCodes = @(0, 1605, 1614, 1641, 3010)
if ($validExitCodes -contains $exitCode) {
  Exit 0

Exit $exitCode

- name: Install luau-lsp
    name: luau-lsp
    version: '1.18.0'
    state: present

See docs at

chocolatey_package 'luau-lsp' do
  action    :install
  source   'INTERNAL REPO URL'
  version  '1.18.0'

See docs at

cChocoPackageInstaller luau-lsp
    Name     = "luau-lsp"
    Version  = "1.18.0"
    Source   = "INTERNAL REPO URL"

Requires cChoco DSC Resource. See docs at

package { 'luau-lsp':
  ensure   => '1.18.0',
  provider => 'chocolatey',
  source   => 'INTERNAL REPO URL',

Requires Puppet Chocolatey Provider module. See docs at

4. If applicable - Chocolatey configuration/installation

See infrastructure management matrix for Chocolatey configuration elements and examples.


There are versions of this package awaiting moderation . See the Version History section below.

Package Approved

This package was approved as a trusted package on 27 Sep 2023.


An implementation of a language server for the Luau programming language.

Getting Started

Install the extension from the VSCode Marketplace or OpenVSX Registry:

Alternatively, checkout Getting Started for Language Server Clients
to setup your own client for a different editor

For General Users

The language server should be immediately usable for general Luau code after installation.
String require support is provided for module paths, using require("module").
There are two options for resolving requires, which can be configured using luau-lsp.require.mode:
relativeToWorkspaceRoot (the default - equivalent to the command-line REPL luau)
or relativeToFile.

Type definitions can be provided by configuring luau-lsp.types.definitionFiles, with corresponding
documentation added using luau-lsp.types.documentationFiles.

If you use Luau in a different environment and are interested in using the language server, or
looking for any specific features, please get in touch!

For Rojo Users

Rojo instance tree and requiring support is provided by default, and the language server should be able to directly emulate Studio.
The extension will automatically populate the latest API types and documentation (which can be disabled by configuring luau-lsp.types.roblox).

To resolve your instance tree and provide module resolution, the language server uses Rojo-style sourcemaps.
The language server will automatically create a sourcemap.json in your workspace root on startup and whenever files are added/created/renamed.

It does this by running the rojo sourcemap command, hence Rojo 7.1.0+ must be available to execute in your workspace root.
It is recommend to .gitignore the sourcemap.json file. In future, the language server will generate the file internally.

Note, if you are using the VSCode extension on macOS, you need to configure the location of the Rojo binary at luau-lsp.sourcemap.rojoPath.

By default we generate a sourcemap for a default.project.json project file. The name can be changed in extension settings, as well as whether non-script instances are included in the sourcemap (included by default). Autogeneration of sourcemaps can also be toggled completely on/off in settings - the server will instead just listen to manual changes to sourcemap.json files.

If you do not use Rojo, you can still use the Luau Language Server, you just need to manually generate a sourcemap.json
file for your particular project layout.

> Note: in the diagnostics type checker, the types for DataModel (DM) instances will resolve to any. This is a current limitation to reduce false positives.
> However, autocomplete and hover intellisense will correctly resolve the DM type.
> To enable this mode for diagnostics, set luau-lsp.diagnostics.strictDatamodelTypes (off by default).
> Read more.

A companion Studio plugin is available to provide DataModel information for Instances which are not part of your Rojo build / filetree: Plugin Marketplace


The tool can run standalone, similar to luau-analyze, to provide type and lint warnings in CI, with full Rojo resolution and API types support.
The entry point for the analysis tool is luau-lsp analyze.

Install the binary and run luau-lsp --help for more information.



MIT License

Copyright (c) 2022 JohnnyMorganz

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

Verification is intended to assist the Chocolatey moderators and community
in verifying that this package's contents are trustworthy.

Package can be verified like this:

1. Go to, and download from there.


   to download the ZIP archive and extract the executables. You may wish to rename one of the files.

2. You can use one of the following methods to obtain the SHA512 checksum:
   - Use powershell function 'Get-FileHash'
   - Use Chocolatey utility 'checksum.exe'

   checksum-x86_64: ab781f323bdb9043d5ae879e07097cd2bf3e30ca7e4c312b87c903b18b096aa50134f069444b6cc0a08cfe8fa1052c156da71aa09951608cc5cfc15fc6bbc73f

File 'LICENSE.txt' obtained from:
md5: B1E7926C563578DBDAF42B92769A3046 | sha1: DBD2EA1178708853EDD8D3D932D836FF73C97A26 | sha256: 62B03F50EB28C1C3D41E954DC2CBC980531C37EBB0492AF1C5EBB8C20B7FDC36 | sha512: 00AE01B7A1000F6AA4048A91FC94E395B5F3075BA88CF26C8AD74C1F679C6EF27B7375C4BA2037F3DC2A77849BDB9263ACFA28942ADD0450B4AD7633D2464317

Log in or click on link to see number of positives.

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.

Add to Builder Version Downloads Last Updated Status
Luau Language Server 1.17.1 10 Monday, September 25, 2023 Approved
Luau Language Server 1.17.0 11 Sunday, September 24, 2023 Approved
Luau Language Server 1.16.4 12 Saturday, September 23, 2023 Approved
Luau Language Server 1.16.3 12 Friday, September 22, 2023 Approved
Luau Language Server 1.16.2 15 Monday, September 18, 2023 Approved
Luau Language Server 1.16.1 13 Monday, September 18, 2023 Approved
Luau Language Server 1.16.0 13 Saturday, September 16, 2023 Approved
Luau Language Server 1.15.0 13 Friday, September 15, 2023 Approved
Luau Language Server 1.14.3 14 Wednesday, September 13, 2023 Approved
Luau Language Server 1.14.2 13 Tuesday, September 12, 2023 Approved
Luau Language Server 1.14.1 13 Monday, September 11, 2023 Approved
Luau Language Server 1.14.0 17 Friday, September 8, 2023 Approved
Luau Language Server 1.13.1 13 Thursday, September 7, 2023 Approved
Luau Language Server 1.13.0 17 Thursday, September 7, 2023 Approved
Luau Language Server 1.12.1 19 Monday, September 4, 2023 Approved
Luau Language Server 1.12.0 15 Sunday, September 3, 2023 Approved
Luau Language Server 1.11.2 14 Saturday, September 2, 2023 Ready
Luau Language Server 1.11.1 17 Friday, September 1, 2023 Approved
Luau Language Server 1.11.0 16 Friday, September 1, 2023 Approved
Luau Language Server 1.10.1 19 Thursday, August 31, 2023 Approved
Luau Language Server 1.10.0 17 Sunday, August 27, 2023 Approved
Luau Language Server 1.9.2 20 Friday, August 25, 2023 Approved
Luau Language Server 1.9.1 15 Thursday, August 24, 2023 Approved
Luau Language Server 1.9.0 15 Monday, August 21, 2023 Approved
Luau Language Server 1.8.1 18 Monday, August 21, 2023 Approved
Luau Language Server 1.8.0 15 Saturday, August 19, 2023 Approved
Luau Language Server 1.7.1 19 Wednesday, August 16, 2023 Approved
Luau Language Server 1.7.0 17 Wednesday, August 9, 2023 Approved
Luau Language Server 1.6.0 17 Saturday, August 5, 2023 Approved
Luau Language Server 1.5.2 14 Friday, August 4, 2023 Approved
Luau Language Server 1.5.1 17 Wednesday, August 2, 2023 Approved
Luau Language Server 1.5.0 16 Tuesday, August 1, 2023 Approved
Luau Language Server 1.4.0 16 Monday, July 31, 2023 Approved
Luau Language Server 1.3.0 38 Monday, June 5, 2023 Approved
Luau Language Server 1.2.0 23 Wednesday, May 31, 2023 Approved
Luau Language Server 1.1.0 16 Wednesday, July 19, 2023 Approved
Luau Language Server 1.0.0 11 Saturday, June 24, 2023 Approved
Luau Language Server 0.4.1 19 Monday, May 29, 2023 Approved
Luau Language Server 0.4.0 20 Sunday, May 28, 2023 Approved
Luau Language Server 0.3.0 18 Saturday, May 27, 2023 Approved
Luau Language Server 0.2.0 16 Saturday, May 27, 2023 Approved
Luau Language Server 0.1.2 19 Thursday, May 25, 2023 Approved
Luau Language Server 0.1.1 20 Tuesday, May 23, 2023 Approved
Luau Language Server 0.1.0 19 Wednesday, May 17, 2023 Approved

[1.18.0] - 2023-03-20


  • Added support for changing Color3 colors using the color picker

  • Added support for automatic require imports (currently only for Roblox mode). If you start typing the name of a module in your code, you can autocomplete the require statement automatically. This feature is enabled by setting luau-lsp.completion.suggestImports. (Thanks @HawDevelopment!)


  • Sync to upstream Luau 0.568.

    In particular, this provide improvements to control flow analysis refinements. This allows the type checker to recognise type

    options that are unreachable after a conditional/unconditional code block. e.g.:

local function x(x: string?)

    if not x then return end

    -- x is 'string' here


To enable this feature, the FFlag LuauTinyControlFlowAnalysis must currently be enabled.

  • The language server will only be enabled on "file" and "untitled" schemes. This means it will be disabled in diff mode

    and live share. This is because we cannot yet provide sufficient information in these contexts.

This package has no dependencies.

Discussion for the Luau Language Server Package

Ground Rules:

  • This discussion is only about Luau Language Server and the Luau Language Server package. If you have feedback for Chocolatey, please contact the Google Group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
  • The maintainers of this Chocolatey Package will be notified about new comments that are posted to this Disqus thread, however, it is NOT a guarantee that you will get a response. If you do not hear back from the maintainers after posting a message below, please follow up by using the link on the left side of this page or follow this link to contact maintainers. If you still hear nothing back, please follow the package triage process.
  • Tell us what you love about the package or Luau Language Server, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
  • If you use a url, the comment will be flagged for moderation until you've been whitelisted. Disqus moderated comments are approved on a weekly schedule if not sooner. It could take between 1-5 days for your comment to show up.
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