fish-lsp

<h1 align="center"> <div align="center"> <a href="https://fish-lsp.dev"> <image src="https://raw.githubusercontent.com/ndonfris/fish-lsp.dev/31d3d587ebd00f76ababcc98ed21b5109637e318/public/favicon-centered-bluee.svg" alt="fish-lsp" style="position: flex; text-align: center;" height="23rem"> fish-lsp </a> <div align="center"> <a href="https://github.com/ndonfris/fish-lsp"><img alt="GitHub Actions Workflow Status" src="https://img.shields.io/github/actions/workflow/status/ndonfris/fish-lsp/ci.yml?branch=master&labelColor=%23181939"></a> <a href="https://github.com/ndonfris/fish-lsp/blob/master/LICENSE.md"><img alt="License" src="https://img.shields.io/github/license/ndonfris/fish-lsp?&labelColor=%23181939&color=b88af3"></a> <a href="https://github.com/ndonfris/fish-lsp/commits/master/"><img alt="Github Created At" src="https://img.shields.io/github/created-at/ndonfris/fish-lsp?logo=%234e6cfa&label=created&labelColor=%23181939&color=%236198f5"></a> <a href="https://npmjs.org/fish-lsp"><img alt="NPM Downloads" src="https://img.shields.io/npm/dw/fish-lsp?logoColor=%235f5fd7&labelColor=%23181939&color=%235f5fd7"></a> </div> </div> </h1> ![demo.gif](https://github.com/ndonfris/fish-lsp.dev/blob/ndonfris-patch-1/new_output.gif?raw=true) Introducing the [fish-lsp](https://fish-lsp.dev), a [Language Server Protocol (LSP)](https://lsif.dev/) implementation for the [fish shell language](https://fishshell.com). ## Quick Start Please choose a [method to install](#installation) the language server and [configure a client](#client-configuration-required) to use `fish-lsp` in your editor. A detailed explanation of how a language server connection works is described in the [how it works](#how-does-it-work) section. ## Why? 🐟 - 🦈 __Efficiency__: enhances the shell scripting experience with an extensive suite of intelligent text-editing [features](#features) - 🐡 __Flexibility__: allows for a highly customizable [configuration](#server-configuration-optional) - 🐚 __Guidance__: [friendly hints](https://github.com/ndonfris/fish-lsp/?tab=readme-ov-file#) and [documentation](#installation) to comfortably explore command line tooling - 🐬 __Community__: improved by a [vibrant user base](#contributors), with [supportive and insightful feedback](https://github.com/ndonfris/fish-lsp/discussions) - 🐙 __Compatibility__: integrates with a wide variety of [tooling and language clients](#client-configuration-required) - 🌊 __Reliability__: produces an [editor agnostic developer environment](https://en.wikipedia.org/wiki/Language_Server_Protocol), ensuring __all__ fish user's have access to a consistent set of features ## Features | Feature | Description | Status | | --- | --- | --- | | __Completion__ | Provides completions for commands, variables, and functions | ✅ | | __Hover__ | Shows documentation for commands, variables, and functions. Has special handlers for --flag, commands, functions, and variables | ✅ | | __Signature Help__ | Shows the signature of a command or function | ✅ | | __Goto Definition__ | Jumps to the definition of a command, variable, function or --flag | ✅ | | __Goto Implementation__ | Jumps between symbol definitions and completion definitions | ✅ | | __Find References__ | Shows all references to a command, variable, function, or --flag | ✅ | | __Rename__ | Rename within _matching_ __global__ && __local__ scope | ✅ | | __Document Symbols__ | Shows all commands, variables, and functions in a document | ✅ | | __Workspace Symbols__ | Shows all commands, variables, and functions in a workspace | ✅ | | __Document Formatting__ | Formats a document, _full_ & _selection_ | ✅ | | __On Type Formatting__ | Formats a document while typing | ✅ | | __Document Highlight__ | Highlights all references to a command, variable, or function. | ✅ | | __Command Execution__ | Executes a server command from the client | ✅ | | __Code Action__ | Automate code generation | ✅ | | __Quick fix__ | Auto fix lint issues | ✅ | | __Inlay Hint__ | Shows Virtual Text/Inlay Hints | ✅ | | __Code Lens__ | Shows all available code lenses | ✖ | | __Logger__ | Logs all server activity | ✅ | | __Diagnostic__ | Shows all diagnostics | ✅ | | __Folding Range__ | Toggle ranges to fold text | ✅ | | __Semantic Tokens__ | Server provides extra syntax highlighting | ✖ | | __CLI Interactivity__ | Provides a CLI for server interaction. Built by `fish-lsp complete` | ✅ | | __Client Tree__ | Shows the defined scope as a Tree | ✅ | | __Indexing__ | Indexes all commands, variables, functions, and source files | ✅ | ## Installation Some language clients might support downloading the fish-lsp directly from within the client, but for the most part, you'll typically be required to install the language server manually. Below are a few methods to install the language server, and how to verify that it's working. ### Use a Package Manager Stability across package managers can vary. Consider using another installation method if issues arise. ```bash npm install -g fish-lsp yarn global add fish-lsp pnpm install -g fish-lsp nix-shell -p fish-lsp brew install fish-lsp ``` If you installed the language server using a __node__ based package manager (__i.e. npm/yarn/pnpm__), you can install the completions by running the following command: ```fish fish-lsp complete > ~/.config/fish/completions/fish-lsp.fish ``` ### Build from Source Recommended Dependencies: `yarn@1.22.22` `node@22.14.0` `fish@4.0.2` ```bash git clone https://github.com/ndonfris/fish-lsp && cd fish-lsp yarn install yarn dev # to watch for changes use `yarn dev:watch` ``` Using the `yarn dev:watch` command will automatically rebuild the project when changes are detected. This allows easy testing of new features or bug fixes, if you're interested in contributing. Building the project from source is the most portable method for installing the language server. ### Verifying Installation After installation, verify that `fish-lsp` is working correctly: ```bash fish-lsp --help ``` ![fish-lsp --help](https://github.com/ndonfris/fish-lsp.dev/blob/master/public/help-msg-new.png?raw=true) ## Setup To properly configure [fish-lsp](https://fish-lsp.dev), you need to define a client configuration after installing the language server. Configuring a client should be relatively straightforward. Typically, you're only required to translate the shell command `fish-lsp start` for `fish` files, in the [client's configuration](#client-configuration-required). However, further configuration can be specified as a [server configuration](#server-configuration-optional). Some clients may also allow specifying the server configuration directly in the client configuration. ### Client Configuration <ins>(Required)</ins><a href="client-configuration" /> Theoretically, the language-server should generally be compatible with almost any text-editor or IDE you prefer using. Feel free to setup the project in any [fish-lsp-client](https://github.com/ndonfris/fish-lsp/wiki/Client-Configurations) of your choice, or [submit a PR](https://github.com/ndonfris/fish-lsp-language-clients/pulls) for new configurations. <details> <summary>neovim (v0.8)</summary> Full table of options available in the [neovim documentation](https://neovim.io/doc/user/lsp.html) ```lua vim.api.nvim_create_autocmd('FileType', { pattern = 'fish', callback = function() vim.lsp.start({ name = 'fish-lsp', cmd = { 'fish-lsp', 'start' }, }) end, }) ``` Alternatively, you can also see official documentation for [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig/blob/master/doc/configs.md#fish_lsp), or use your client of choice below. > There is also a useful configuration for testing out the language server in `nvim@v0.11.1` included in the [fish-lsp-language-clients](https://github.com/ndonfris/fish-lsp-language-clients/tree/packer) repository. </details> <details> <summary>mason.nvim</summary> Install the `fish-lsp` using [mason.nvim](https://github.com/mason-org/mason-registry/pull/8609#event-18154473712) ```vimscript :MasonInstall fish-lsp ``` </details> <details> <summary>coc.nvim</summary> [Neovim](https://neovim.io) client using [coc.nvim](https://github.com/neoclide/coc.nvim) configuration, located inside [coc-settings.json](https://github.com/neoclide/coc.nvim/wiki/Language-servers#register-custom-language-servers) `"languageserver"` key ```json { "fish-lsp": { "command": "fish-lsp", "filetypes": ["fish"], "args": ["start"] } } ``` </details> <details> <summary>YouCompleteMe</summary> [YouCompleteMe](https://github.com/ycm-core/YouCompleteMe) configuration for vim/neovim ```vim let g:ycm_language_server = \ [ \ { \ 'name': 'fish', \ 'cmdline': [ 'fish-lsp', 'start' ], \ 'filetypes': [ 'fish' ], \ } \ ] ``` </details> <details> <summary>vim-lsp</summary> Configuration of [prabirshrestha/vim-lsp](https://github.com/prabirshrestha/vim-lsp) in your `init.vim` or `init.lua` file ```vim if executable('fish-lsp') au User lsp_setup call lsp#register_server({ \ 'name': 'fish-lsp', \ 'cmd': {server_info->['fish-lsp', 'start']}, \ 'allowlist': ['fish'], \ }) endif ``` </details> <details> <summary>helix</summary> In config file `~/.config/helix/languages.toml` ```toml [[language]] name = "fish" language-servers = [ "fish-lsp" ] [language-server.fish-lsp] command = "fish-lsp" args= ["start"] environment = { "fish_lsp_show_client_popups" = "false" } ``` </details> <details> <summary>kakoune</summary> Configuration for [kakoune-lsp](https://github.com/kakoune-lsp/kakoune-lsp), located in `~/.config/kak-lsp/kak-lsp.toml` ```toml [language.fish] filetypes = ["fish"] command = "fish-lsp" args = ["start"] ``` Or in your `~/.config/kak/lsp.kak` file ```kak hook -group lsp-filetype-fish global BufSetOption filetype=fish %{ set-option buffer lsp_servers %{ [fish-lsp] root_globs = [ "*.fish", "config.fish", ".git", ".hg" ] args = [ "start" ] } } ``` </details> <details> <summary>kate</summary> Configuration for [kate](https://kate-editor.org/) ```json { "servers": { "fish": { "command": ["fish-lsp", "start"], "url": "https://github.com/ndonfris/fish-lsp", "highlightingModeRegex": "^fish$" } } } ``` </details> <details> <summary>emacs</summary> Configuration using [eglot](https://github.com/joaotavora/eglot) (Built into Emacs 29+) ```elisp ;; Add to your init.el or .emacs (require 'eglot) (add-to-list 'eglot-server-programs '(fish-mode . ("fish-lsp" "start"))) ;; Optional: auto-start eglot for fish files (add-hook 'fish-mode-hook 'eglot-ensure) ``` or place in your `languages/fish.el` file ```elisp (use-package fish-mode) (with-eval-after-load 'eglot (add-to-list 'eglot-server-programs '(fish-mode . ("fish-lsp" "start")))) ```  Configuration using [lsp-mode](https://github.com/emacs-lsp/lsp-mode) ```elisp ;; Add to your init.el or .emacs (require 'lsp-mode) (lsp-register-client (make-lsp-client :new-connection (lsp-stdio-connection '("fish-lsp" "start")) :activation-fn (lsp-activate-on "fish") :server-id 'fish-lsp)) ;; Optional: auto-start lsp for fish files (add-hook 'fish-mode-hook #'lsp) ``` Full example configuration using [doom-emacs](https://github.com/doomemacs/doomemacs/tree/master) can be found in the [fish-lsp language clients repo](https://github.com/ndonfris/fish-lsp-language-clients/). </details> <details> <summary>VSCode</summary> > To download the extension, visit the [fish-lsp extension on the VSCode Marketplace](https://marketplace.visualstudio.com/items?itemName=ndonfris.fish-lsp). > > VSCode configuration does not require a client configuration. The server will automatically start when a `.fish` file is opened. > > A server configuration can still be specified to control the server's behavior. ([see below](#server-configuration-optional)) </details> <details> <summary>BBEdit</summary> > To install the fish-lsp in [BBEdit](https://www.barebones.com/products/bbedit/), please follow the instructions in the repository [fish-lsp-language-clients](https://github.com/ndonfris/fish-lsp-language-clients/blob/bbedit/BBEdit%20Install.md). > > This configuration includes a [Fish.plist](https://github.com/ndonfris/fish-lsp-language-clients/blob/bbedit/Lanugage%20Modules/Fish.plist) file that provides syntax highlighting and other features for the fish shell. </details> ### Server Configuration <ins>(Optional)</ins> Specific functionality for the server can be set independently from the client. The server allows for both [environment variables](#environment-variables) and [command flags](#command-flags) to customize how specific server processes are started. #### Environment variables > Generated by `fish-lsp env --create` ```fish # $fish_lsp_enabled_handlers <ARRAY> # Enables the fish-lsp handlers. By default, all handlers are enabled. # (Options: 'complete', 'hover', 'rename', 'definition', 'implementation', # 'reference', 'logger', 'formatting', 'formatRange', # 'typeFormatting', 'codeAction', 'codeLens', 'folding', # 'signature', 'executeCommand', 'inlayHint', 'highlight', # 'diagnostic', 'popups') # (Default: []) set -gx fish_lsp_enabled_handlers # $fish_lsp_disabled_handlers <ARRAY> # Disables the fish-lsp handlers. By default, no handlers are disabled. # (Options: 'complete', 'hover', 'rename', 'definition', 'implementation', # 'reference', 'logger', 'formatting', 'formatRange', # 'typeFormatting', 'codeAction', 'codeLens', 'folding', # 'signature', 'executeCommand', 'inlayHint', 'highlight', # 'diagnostic', 'popups') # (Default: []) set -gx fish_lsp_disabled_handlers # $fish_lsp_commit_characters <ARRAY> # Array of the completion expansion characters. # Single letter values only. # Commit characters are used to select completion items, as shortcuts. # (Example Options: '.', ',', ';', ':', '(', ')', '[', ']', '{', '}', '<', # '>', ''', '"', '=', '+', '-', '/', '\', '|', '&', '%', # '$', '#', '@', '!', '?', '*', '^', '`', '~', '\t', ' ') # (Default: ['\t', ';', ' ']) set -gx fish_lsp_commit_characters # $fish_lsp_log_file <STRING> # A path to the fish-lsp's logging file. Empty string disables logging. # (Example Options: '/tmp/fish_lsp.logs', '~/path/to/fish_lsp/logs.txt') # (Default: '') set -gx fish_lsp_log_file # $fish_lsp_log_level <STRING> # The logging severity level for displaying messages in the log file. # (Options: 'debug', 'info', 'warning', 'error', 'log') # (Default: '') set -gx fish_lsp_log_level # $fish_lsp_all_indexed_paths <ARRAY> # The fish file paths to include in the fish-lsp's startup indexing, as workspaces. # Order matters (usually place `$__fish_config_dir` before `$__fish_data_dir`). # (Example Options: '$HOME/.config/fish', '/usr/share/fish', # '$__fish_config_dir', '$__fish_data_dir') # (Default: ['$__fish_config_dir', '$__fish_data_dir']) set -gx fish_lsp_all_indexed_paths # $fish_lsp_modifiable_paths <ARRAY> # The fish file paths, for workspaces where global symbols can be renamed by the user. # (Example Options: '/usr/share/fish', '$HOME/.config/fish', # '$__fish_data_dir', '$__fish_config_dir') # (Default: ['$__fish_config_dir']) set -gx fish_lsp_modifiable_paths # $fish_lsp_diagnostic_disable_error_codes <ARRAY> # The diagnostics error codes to disable from the fish-lsp's diagnostics. # (Options: 1001, 1002, 1003, 1004, 1005, 2001, 2002, 2003, 3001, 3002, 3003, # 4001, 4002, 4003, 4004, 4005, 4006, 4007, 5001, 5555, 6001, 8001, 9999) # (Default: []) set -gx fish_lsp_diagnostic_disable_error_codes # $fish_lsp_enable_experimental_diagnostics <BOOLEAN> # Enables the experimental diagnostics feature, using `fish --no-execute`. # This feature will enable the diagnostic error code 9999 (disabled by default). # (Options: 'true', 'false') # (Default: 'false') set -gx fish_lsp_enable_experimental_diagnostics # $fish_lsp_max_background_files <NUMBER> # The maximum number of background files to read into buffer on startup. # (Example Options: 100, 250, 500, 1000, 5000, 10000) # (Default: 10000) set -gx fish_lsp_max_background_files # $fish_lsp_show_client_popups <BOOLEAN> # Should the client receive pop-up window notification requests from the fish-lsp server? # (Options: 'true', 'false') # (Default: 'false') set -gx fish_lsp_show_client_popups # $fish_lsp_single_workspace_support <BOOLEAN> # Try to limit the fish-lsp's workspace searching to only the current workspace open. # (Options: 'true', 'false') # (Default: 'false') set -gx fish_lsp_single_workspace_support ``` If you're interested in disabling specific diagnostic messages, the [wiki](https://github.com/ndonfris/fish-lsp/wiki) includes a table of [error codes](https://github.com/ndonfris/fish-lsp/wiki/Diagnostic-Error-Codes) that should be helpful. Diagnostics are a newer feature so [PRs](https://github.com/ndonfris/fish-lsp/blob/master/docs/CONTRIBUTING.md#getting-started-rocket) are welcome to improve their support. Alternatively, you can now __use comments__ to disable diagnostics.  <div align="center"> ![`# @fish-lsp-disable`](https://github.com/ndonfris/fish-lsp.dev/blob/master/public/comment.svg?raw=true) </div>               #### Command Flags Both the flags `--enable` and `--disable` are provided on the `fish-lsp start` subcommand. __By default, all handlers will be enabled__. ```fish # displays what handlers are enabled. Removing the dump flag will run the server. fish-lsp start --disable complete signature --dump ``` #### Further Server Configuration Any [flags](#command-flags) will overwrite their corresponding [environment variables](#environment-variables), if both are seen for the `fish-lsp` process. For this reason, it is encouraged to wrap any non-standard behavior of the `fish-lsp` in [functions](https://fishshell.com/docs/current/language.html#functions) or [aliases](https://fishshell.com/docs/current/language.html#defining-aliases). Custom server configurations can also be [set interactively](https://github.com/ndonfris/fish-lsp/wiki/Diagnostic-Error-Codes#using-the-fish_lsp_diagnostic_disable_error_codes-env-variable), or in a fish function (i.e., [`edit_command_buffer`](https://github.com/ndonfris/fish-lsp/wiki/Diagnostic-Error-Codes#disabling-diagnostics-for-edit_command_buffer)).                      Due to the vast possibilities this project aims to support in the fish shell, [sharing useful configurations is highly encouraged](https://github.com/ndonfris/fish-lsp/discussions). ## How does it work? If you're new to the concept of the [Language Server Protocol (LSP)](https://lsif.dev), this section should be useful to help you grasp its core purpose and benefits. > 📸 Check out [this insightful video](https://youtu.be/LaS32vctfOY?si=MISP8tL_HU06-_z-) by TJ DeVries for an introduction to the subject. The LSP is designed to create a uniform approach for supporting a programming language across various development tools, moving beyond the confines of specific Text-Editor/IDE ecosystems. This standardization enhances a language's appeal by allowing developers to maintain consistent tooling support without needing to switch developer environments. The core of this system is the interaction between a _'language server'_, which provides language services, and a _'language client'_, which consumes these services. The protocol facilitates this interaction, ensuring that any _language client_ can leverage a well-defined set of features provided by the _server_. <details> <summary>Show a diagram to <ins>visualize</ins> a hypothetical <code>fish-lsp</code> process</summary> ![graph](https://github.com/ndonfris/fish-lsp.dev/blob/master/public/mermaid-diagram.png?raw=true) </details>             ## Additional Resources - [Contributing](./docs/CONTRIBUTING.md) - documentation describing how to contribute to the fish-lsp project. - [Roadmap](./docs/ROADMAP.md) - goals for future project releases. - [Wiki](https://github.com/ndonfris/fish-lsp/wiki) - further documentation and knowledge relevant to the project - [Discussions](https://github.com/ndonfris/fish-lsp/discussions) - interact with maintainers - [Site](https://fish-lsp.dev/) - website homepage - [Client Examples](https://github.com/ndonfris/fish-lsp/wiki/Client-Configurations) - testable language client configurations - [Sources](https://github.com/ndonfris/fish-lsp/wiki/Sources) - major influences for the project ## Contributors Special thanks to anyone who contributed to the project! Contributions of any kind are welcome!    <table> <tbody> <tr> <td align="center" valign="top" width="14.28%"><a href="https://github.com/ndonfris"><img src="https://avatars.githubusercontent.com/u/49458459?v=4?s=50" width="50px;" alt="nick"/> nick</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=ndonfris" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/mimikun"><img src="https://avatars.githubusercontent.com/u/13450321?v=4?s=50" width="50px;" alt="mimikun"/> mimikun</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=mimikun" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/jpaju"><img src="https://avatars.githubusercontent.com/u/36770267?v=4?s=50" width="50px;" alt="Jaakko Paju"/> Jaakko Paju</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=jpaju" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/shaleh"><img src="https://avatars.githubusercontent.com/u/1377996?v=4?s=50" width="50px;" alt="Sean Perry"/> Sean Perry</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=shaleh" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://mastodon.online/@cova"><img src="https://avatars.githubusercontent.com/u/385249?v=4?s=50" width="50px;" alt="Fabio Coatti"/> Fabio Coatti</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=cova-fe" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/PeterCardenas"><img src="https://avatars.githubusercontent.com/u/16930781?v=4?s=50" width="50px;" alt="Peter Cardenas"/> Peter Cardenas</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=PeterCardenas" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/petertriho"><img src="https://avatars.githubusercontent.com/u/7420227?v=4?s=50" width="50px;" alt="Peter Tri Ho"/> Peter Tri Ho</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=petertriho" title="Code">💻</a></td> </tr> <tr> <td align="center" valign="top" width="14.28%"><a href="https://github.com/bnwa"><img src="https://avatars.githubusercontent.com/u/74591246?v=4?s=50" width="50px;" alt="bnwa"/> bnwa</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=bnwa" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/branchvincent"><img src="https://avatars.githubusercontent.com/u/19800529?v=4?s=50" width="50px;" alt="Branch Vincent"/> Branch Vincent</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=branchvincent" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/devsunb"><img src="https://avatars.githubusercontent.com/u/23169202?v=4?s=50" width="50px;" alt="Jaeseok Lee"/> Jaeseok Lee</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=devsunb" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/ClanEver"><img src="https://avatars.githubusercontent.com/u/73160783?v=4?s=50" width="50px;" alt="ClanEver"/> ClanEver</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=ClanEver" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://degruchy.org/"><img src="https://avatars.githubusercontent.com/u/52262673?v=4?s=50" width="50px;" alt="Nathan DeGruchy"/> Nathan DeGruchy</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=ndegruchy" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://teddyhuang-00.github.io/"><img src="https://avatars.githubusercontent.com/u/64199650?v=4?s=50" width="50px;" alt="Nan Huang"/> Nan Huang</a> <a href="https://github.com/ndonfris/fish-lsp/commits?author=TeddyHuang-00" title="Code">💻</a></td> </tr> </tbody> </table>         This project follows the [all-contributors](https://allcontributors.org) specification. ## License [MIT](https://github.com/ndonfris/fish-lsp/blob/master/LICENSE.md)