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https://github.com/creativenull/efmls-configs-nvim

An unofficial collection of linters and formatters configured for efm-langserver for neovim.
https://github.com/creativenull/efmls-configs-nvim

efm-langserver formatters linters lua neovim nvim-lsp nvim-plugin

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An unofficial collection of linters and formatters configured for efm-langserver for neovim.

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# efmls-configs-nvim





  Configs on dotfyle




An unofficial collection of linters and formatters configured for [efm-langserver][efm-langserver] for neovim.



## Supported linters and formatters



[doc/SUPPORTED_LIST.md](./doc/SUPPORTED_LIST.md)



## Features



- Out-of-box configurations for 90+ tools (linters and formatters)

- Intelligently detect tools installed project-wide or system-wide - works only for node/npm, php/composer and

  ruby/bundler (additional support for other build tools coming soon, welcome any contributions)

- `:checkhealth` integration for status check



## Documentation



Documentation can be accessed via [`:help efmls-configs`](./doc/efmls-configs.txt) or [further below](#setup).



## Requirements



- [Neovim >= 0.7][neovim]

- [efm-langserver][efm-langserver] installed globally. If using [mason.nvim](https://github.com/williamboman/mason.nvim)

  then install with `:MasonInstall efm`.



## Installation



Install with your favorite plugin manager or just use builtin packages.



### lazy.nvim



```lua

{

  'creativenull/efmls-configs-nvim',

  version = 'v1.x.x', -- version is optional, but recommended

  dependencies = { 'neovim/nvim-lspconfig' },

}

```



### packer.nvim



```lua

use {

  'creativenull/efmls-configs-nvim',

  tag = 'v1.*', -- tag is optional, but recommended

  requires = { 'neovim/nvim-lspconfig' },

}

```



### vim-plug



```vim

Plug 'neovim/nvim-lspconfig'

Plug 'creativenull/efmls-configs-nvim', { 'tag': 'v1.*' } " tag is optional, but recommended

```



## Setup



See also `:help efmls-configs-setup` to view docs inside neovim.



To get started, make a `languages` table that will define configurations for the language of your choice. Or use the

defaults provided by this plugin.



```lua

-- Register linters and formatters per language

local eslint = require('efmls-configs.linters.eslint')

local prettier = require('efmls-configs.formatters.prettier')

local stylua = require('efmls-configs.formatters.stylua')

local languages = {

  typescript = { eslint, prettier },

  lua = { stylua },

}



-- Or use the defaults provided by this plugin

-- check doc/SUPPORTED_LIST.md for the supported languages

--

-- local languages = require('efmls-configs.defaults').languages()



local efmls_config = {

  filetypes = vim.tbl_keys(languages),

  settings = {

    rootMarkers = { '.git/' },

    languages = languages,

  },

  init_options = {

    documentFormatting = true,

    documentRangeFormatting = true,

  },

}



require('lspconfig').efm.setup(vim.tbl_extend('force', efmls_config, {

  -- Pass your custom lsp config below like on_attach and capabilities

  --

  -- on_attach = on_attach,

  -- capabilities = capabilities,

}))

```



### Default Configurations



See also `:help efmls-configs-defaults` to view docs inside neovim.



Default configurations are an opt-in feature. To see all the configurations provided by default go to

[`doc/SUPPORTED_LIST.md`](./doc/SUPPORTED_LIST.md).



You can use a list of defaults provided by this plugin, in-case you don't want to specify configuration

for each language.



```lua

local languages = require('efmls-configs.defaults').languages()

```



To add additional tools which are not provided by default you can extend via `vim.tbl_extend()`. This can also be used

as a way to override defaults.



```lua

local languages = require('efmls-configs.defaults').languages()

languages = vim.tbl_extend('force', languages, {

  -- Custom languages, or override existing ones

  html = {

    require('efmls-configs.formatters.prettier'),

  },

})

```



### Tips and Tricks



#### Format on save



There are couple ways you can format your code on save.



1. Register an autocmd to run format on save:



```lua

local lsp_fmt_group = vim.api.nvim_create_augroup('LspFormattingGroup', {})

vim.api.nvim_create_autocmd('BufWritePost', {

  group = lsp_fmt_group,

  callback = function(ev)

    local efm = vim.lsp.get_active_clients({ name = 'efm', bufnr = ev.buf })



    if vim.tbl_isempty(efm) then

      return

    end



    vim.lsp.buf.format({ name = 'efm' })

  end,

})

```



2. If you do not want to write and maintain the code above, then you can rely on a plugin like

[lukas-reineke/lsp-format.nvim][lsp-format] which makes it easier to format on save.



## Troubleshooting



See also `:help efmls-configs-issues` to view docs inside neovim.



Always run `:checkhealth` to see if there are any issue, when you get no response from the linter or formatter

as you expected.



If you get "no executable found" issues in `:checkhealth`, this means that the linter or formatter was not found in the

provided filepath. Ensure that it is installed globally or in a valid filepath.



For nodejs/npm, php/composer, ruby/bundler: check if the linter or formatter is installed in your node_modules (npm),

vendor (composer/bundler) project folder, or installed globally.



### Mason setup issue (`:help efmls-configs-mason`)



If you use mason, then you don't need to add anything extra for efmls-configs for it to work. But if you are having

problems setting up then check the following:



1. Make sure you call mason `setup()` before efm `setup()`

2. Run `:!which ` to check if the path is provided by mason



## Alternatives



- ALE - [https://github.com/dense-analysis/ale](https://github.com/dense-analysis/ale)

- diagnostic-languageserver - [https://github.com/iamcco/diagnostic-languageserver](https://github.com/iamcco/diagnostic-languageserver)

- guard.nvim - [https://github.com/nvimdev/guard.nvim](https://github.com/nvimdev/guard.nvim)

- nvim-lint - [https://github.com/mfussenegger/nvim-lint](https://github.com/mfussenegger/nvim-lint)

- formatter.nvim - [https://github.com/mhartington/formatter.nvim](https://github.com/mhartington/formatter.nvim)



## Credits



Credits goes to the following projects for inspiration:



- [efm-langserver][efm-langserver] for this awesome language server to provide an interface to run linters/formatters

  through a LSP protocol

- [ALE][ale] for a huge list of linters/formatters to look through and add them in here



[efm-langserver]: https://github.com/mattn/efm-langserver

[schema-file]: https://github.com/mattn/efm-langserver/blob/master/schema.json

[ale]: https://github.com/dense-analysis/ale

[nvim-lsp]: https://neovim.io/doc/user/lsp.html

[neovim]: https://github.com/neovim/neovim

[lspconfig]: https://github.com/neovim/nvim-lspconfig

[lsp-format]: https://github.com/lukas-reineke/lsp-format.nvim