os/modules/terminal-life/nvim/lsp.vim

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" Set completeopt to have a better completion experience
" :help completeopt
" menuone: popup even when there's only one match
" noinsert: Do not insert text until a selection is made
" noselect: Do not select, force user to select one from the menu
set completeopt=menuone,noinsert,noselect
" Avoid showing extra messages when using completion
set shortmess+=c
function AddTemplate(tmpl_file)
exe "0read " . a:tmpl_file
set nomodified
6
endfunction
autocmd BufNewFile shell.nix call AddTemplate("$XDG_DATA_HOME/nvim/templates/shell.nix.tmpl")
" Configure neovim 0.6+ experimental LSPs
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" https://github.com/neovim/nvim-lspconfig
" https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
" https://github.com/neovim/nvim-lspconfig/wiki/UI-Customization
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" https://gitlab.com/Iron_E/dotfiles/-/blob/master/.config/nvim/lua/_config/plugin/nvim_lsp.lua
lua <<EOF
local nvim_lsp = require('lspconfig')
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-- Mappings (global)
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
local opts = { noremap=true, silent=true }
vim.api.nvim_set_keymap('n', '<leader>e', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
vim.api.nvim_set_keymap('n', 'g[', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
vim.api.nvim_set_keymap('n', 'g]', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
vim.api.nvim_set_keymap('n', '<leader>dq', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)
vim.api.nvim_set_keymap('n', '<leader>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
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-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
-- Enable completion triggered by <c-x><c-o>
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vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
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-- Mappings (available if LSP is configured and attached to buffer)
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-- See `:help vim.lsp.*` for documentation on any of the below functions
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vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
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-- Show diagnostic popup on cursor hold
vim.api.nvim_create_autocmd("CursorHold", {
buffer = bufnr,
callback = function()
local opts = {
focusable = false,
close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
border = 'rounded',
source = 'always',
prefix = ' ',
scope = 'cursor',
}
vim.diagnostic.open_float(nil, opts)
end
})
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end
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-- Add additional capabilities supported by nvim-cmp
local capabilities = require('cmp_nvim_lsp').default_capabilities()
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-- vscode HTML lsp needs this https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#html
capabilities.textDocument.completion.completionItem.snippetSupport = true
local use_denols_for_typescript = not(os.getenv('NVIM_USE_DENOLS') == nil)
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for lsp_key, lsp_settings in pairs({
'bashls', ------------------------------- Bash
'ccls', --------------------------------- C / C++ / Objective-C
'cssls', -------------------------------- CSS / SCSS / LESS
'dockerls', ----------------------------- Docker
['gopls'] = { --------------------------- Go
['settings'] = {
['gopls'] = {
['analyses'] = {
['unusedparams'] = true,
},
['staticcheck'] = true
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},
},
},
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'html', --------------------------------- HTML
['jdtls'] = { --------------------------- Java
['root_dir'] = nvim_lsp.util.root_pattern('.git', 'pom.xml', 'build.xml'),
['init_options'] = {
['jvm_args'] = {['java.format.settings.url'] = vim.fn.stdpath('config')..'/eclipse-formatter.xml'},
['workspace'] = vim.fn.stdpath('cache')..'/java-workspaces'
}
},
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['jsonls'] = { -------------------------- JSON
['settings'] = {
['json'] = {
['schemas' ] = vim.list_extend(
{
{
['description'] = 'JSON schema for Caddy v2',
['fileMatch'] = { '*caddy*.json' },
['name'] = 'caddy_schema.json',
['url'] = vim.fn.stdpath('data')..'/json-schemas/caddy_schema.json',
},
},
require('schemastore').json.schemas()
),
['validate'] = { ['enable'] = true }
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}
}
},
'phpactor', ----------------------------- PHP
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'pylsp', -------------------------------- Python
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'rnix', --------------------------------- Nix
'solargraph', --------------------------- Ruby
'rust_analyzer', ------------------------ Rust
['sqlls'] = {
['cmd'] = {vim.fn.stdpath('data')..'/nvm/versions/node/v12.19.0/bin/sql-language-server', 'up', '--method', 'stdio'}
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},
['terraformls'] = { --------------------- Terraform
['filetypes'] = { 'terraform', 'hcl', 'tf' }
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},
-- The TS/JS server is chosen depending on an environment variable,
-- since denols is nicer for Deno based projects
------------------------ Deno TS/JS
------------------------------------ Typescript / JavaScript
(use_denols_for_typescript and 'denols' or 'tsserver'),
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'vuels', -------------------------------- Vue
'svelte', ------------------------------- Svelte
['yamlls'] = { -------------------------- YAML
['settings'] = {
['yaml'] = {
['schemas'] = {
['https://json.schemastore.org/github-workflow'] = '.github/workflows/*.{yml,yaml}',
['https://json.schemastore.org/github-action'] = '.github/action.{yml,yaml}',
['https://json.schemastore.org/ansible-stable-2.9'] = 'roles/tasks/*.{yml,yaml}',
['https://json.schemastore.org/drone'] = '*.drone.{yml,yaml}',
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['https://json.schemastore.org/swagger-2.0'] = 'swagger.{yml,yaml}',
}
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}
}
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}
}) do -- Setup all of the language servers. †
if type(lsp_key) == 'number' then -- Enable the LSP with defaults.
-- The `lsp` is an index in this case.
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nvim_lsp[lsp_settings].setup{
on_attach = on_attach,
flags = {
debounce_text_changes = 150,
},
capabilities = capabilities,
}
else -- Use the LSP's configuration.
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lsp_settings.on_attach = on_attach
lsp_settings.capabilities = capabilities
nvim_lsp[lsp_key].setup(lsp_settings)
end
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end --
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-- Set completeopt to have a better completion experience
vim.o.completeopt = 'menuone,noselect'
-- luasnip setup
local luasnip = require 'luasnip'
-- nvim-cmp setup
local cmp = require 'cmp'
cmp.setup {
snippet = {
expand = function(args)
require('luasnip').lsp_expand(args.body)
end,
},
mapping = {
['<C-p>'] = cmp.mapping.select_prev_item(),
['<C-n>'] = cmp.mapping.select_next_item(),
['<C-d>'] = cmp.mapping.scroll_docs(-4),
['<C-f>'] = cmp.mapping.scroll_docs(4),
['<C-Space>'] = cmp.mapping.complete(),
['<C-e>'] = cmp.mapping.close(),
['<CR>'] = cmp.mapping.confirm {
behavior = cmp.ConfirmBehavior.Replace,
select = true,
},
['<Tab>'] = function(fallback)
if cmp.visible() then
cmp.select_next_item()
elseif luasnip.expand_or_jumpable() then
luasnip.expand_or_jump()
else
fallback()
end
end,
['<S-Tab>'] = function(fallback)
if cmp.visible() then
cmp.select_prev_item()
elseif luasnip.jumpable(-1) then
luasnip.jump(-1)
else
fallback()
end
end,
},
sources = {
{ name = 'nvim_lsp' },
{ name = 'luasnip' },
},
}
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-- https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#denols
vim.g.markdown_fenced_languages = {
"ts=typescript"
}
-- Configure diagnostics
vim.diagnostic.config({
virtual_text = false,
signs = true,
underline = true,
update_in_insert = false,
severity_sort = false,
})
-- Change diagnostic symbols in the sign column (gutter)
local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
for type, icon in pairs(signs) do
local hl = "DiagnosticSign" .. type
vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end
EOF
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" have a fixed column for the diagnostics to appear in
" this removes the jitter when warnings/errors flow in
set signcolumn=yes:2