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|
--- @brief
---
--- https://github.com/hrsh7th/vscode-langservers-extracted
---
--- `vscode-eslint-language-server` is a linting engine for JavaScript / Typescript.
--- It can be installed via `npm`:
---
--- ```sh
--- npm i -g vscode-langservers-extracted
--- ```
---
--- `vscode-eslint-language-server` provides an `EslintFixAll` command that can be used to format a document on save:
--- ```lua
--- vim.lsp.config('eslint', {
--- --- ...
--- on_attach = function(client, bufnr)
--- vim.api.nvim_create_autocmd("BufWritePre", {
--- buffer = bufnr,
--- command = "EslintFixAll",
--- })
--- end,
--- })
--- ```
---
--- See [vscode-eslint](https://github.com/microsoft/vscode-eslint/blob/55871979d7af184bf09af491b6ea35ebd56822cf/server/src/eslintServer.ts#L216-L229) for configuration options.
---
--- Messages handled in lspconfig: `eslint/openDoc`, `eslint/confirmESLintExecution`, `eslint/probeFailed`, `eslint/noLibrary`
---
--- Additional messages you can handle: `eslint/noConfig`
local util = require 'lspconfig.util'
local lsp = vim.lsp
return {
cmd = { 'vscode-eslint-language-server', '--stdio' },
filetypes = {
'javascript',
'javascriptreact',
'javascript.jsx',
'typescript',
'typescriptreact',
'typescript.tsx',
'vue',
'svelte',
'astro',
},
on_attach = function(client)
vim.api.nvim_buf_create_user_command(0, 'LspEslintFixAll', function()
local bufnr = vim.api.nvim_get_current_buf()
client:exec_cmd({
title = 'Fix all Eslint errors for current buffer',
command = 'eslint.applyAllFixes',
arguments = {
{
uri = vim.uri_from_bufnr(bufnr),
version = lsp.util.buf_versions[bufnr],
},
},
}, { bufnr = bufnr })
end, {})
end,
-- https://eslint.org/docs/user-guide/configuring/configuration-files#configuration-file-formats
root_dir = function(bufnr, on_dir)
local root_file_patterns = {
'.eslintrc',
'.eslintrc.js',
'.eslintrc.cjs',
'.eslintrc.yaml',
'.eslintrc.yml',
'.eslintrc.json',
'eslint.config.js',
'eslint.config.mjs',
'eslint.config.cjs',
'eslint.config.ts',
'eslint.config.mts',
'eslint.config.cts',
}
local fname = vim.api.nvim_buf_get_name(bufnr)
root_file_patterns = util.insert_package_json(root_file_patterns, 'eslintConfig', fname)
local root_dir = vim.fs.dirname(vim.fs.find(root_file_patterns, { path = fname, upward = true })[1])
on_dir(root_dir)
end,
-- Refer to https://github.com/Microsoft/vscode-eslint#settings-options for documentation.
settings = {
validate = 'on',
packageManager = nil,
useESLintClass = false,
experimental = {
useFlatConfig = false,
},
codeActionOnSave = {
enable = false,
mode = 'all',
},
format = true,
quiet = false,
onIgnoredFiles = 'off',
rulesCustomizations = {},
run = 'onType',
problems = {
shortenToSingleLine = false,
},
-- nodePath configures the directory in which the eslint server should start its node_modules resolution.
-- This path is relative to the workspace folder (root dir) of the server instance.
nodePath = '',
-- use the workspace folder location or the file location (if no workspace folder is open) as the working directory
workingDirectory = { mode = 'location' },
codeAction = {
disableRuleComment = {
enable = true,
location = 'separateLine',
},
showDocumentation = {
enable = true,
},
},
},
before_init = function(_, config)
-- The "workspaceFolder" is a VSCode concept. It limits how far the
-- server will traverse the file system when locating the ESLint config
-- file (e.g., .eslintrc).
local root_dir = config.root_dir
if root_dir then
config.settings = config.settings or {}
config.settings.workspaceFolder = {
uri = root_dir,
name = vim.fn.fnamemodify(root_dir, ':t'),
}
-- Support flat config
local flat_config_files = {
'eslint.config.js',
'eslint.config.mjs',
'eslint.config.cjs',
'eslint.config.ts',
'eslint.config.mts',
'eslint.config.cts',
}
for _, file in ipairs(flat_config_files) do
if vim.fn.filereadable(root_dir .. '/' .. file) == 1 then
config.settings.experimental = config.settings.experimental or {}
config.settings.experimental.useFlatConfig = true
break
end
end
-- Support Yarn2 (PnP) projects
local pnp_cjs = root_dir .. '/.pnp.cjs'
local pnp_js = root_dir .. '/.pnp.js'
if vim.uv.fs_stat(pnp_cjs) or vim.uv.fs_stat(pnp_js) then
local cmd = config.cmd
config.cmd = vim.list_extend({ 'yarn', 'exec' }, cmd)
end
end
end,
handlers = {
['eslint/openDoc'] = function(_, result)
if result then
vim.ui.open(result.url)
end
return {}
end,
['eslint/confirmESLintExecution'] = function(_, result)
if not result then
return
end
return 4 -- approved
end,
['eslint/probeFailed'] = function()
vim.notify('[lspconfig] ESLint probe failed.', vim.log.levels.WARN)
return {}
end,
['eslint/noLibrary'] = function()
vim.notify('[lspconfig] Unable to find ESLint library.', vim.log.levels.WARN)
return {}
end,
},
}
|
