dotfiles/nvim/.config/nvim/lua/lsp.lua

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local nvim_lsp = require('lspconfig')
local protocol = require('vim.lsp.protocol')
local signature = require('lsp_signature')
-- Taken from https://www.reddit.com/r/neovim/comments/gyb077/nvimlsp_peek_defination_javascript_ttserver/
function preview_location(location, context, before_context)
-- location may be LocationLink or Location (more useful for the former)
context = context or 10
before_context = before_context or 5
local uri = location.targetUri or location.uri
if uri == nil then
return
end
local bufnr = vim.uri_to_bufnr(uri)
if not vim.api.nvim_buf_is_loaded(bufnr) then
vim.fn.bufload(bufnr)
end
local range = location.targetRange or location.range
local contents =
vim.api.nvim_buf_get_lines(bufnr, range.start.line - before_context, range["end"].line + 1 + context, false)
local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype")
return vim.lsp.util.open_floating_preview(contents, filetype)
end
function preview_location_callback(_, method, result)
local context = 10
if result == nil or vim.tbl_isempty(result) then
print("No location found: " .. method)
return nil
end
if vim.tbl_islist(result) then
floating_buf, floating_win = preview_location(result[1], context)
else
floating_buf, floating_win = preview_location(result, context)
end
end
function peek_definition()
if vim.tbl_contains(vim.api.nvim_list_wins(), floating_win) then
vim.api.nvim_set_current_win(floating_win)
else
local params = vim.lsp.util.make_position_params()
return vim.lsp.buf_request(0, "textDocument/definition", params, preview_location_callback)
end
end
local on_attach = function(client, bufnr)
signature.on_attach({
bind = true,
hint_enable = true,
hint_prefix = "🐼 ",
hint_scheme = "String",
handler_opts = { border = "single" },
decorator = {"`", "`"}
})
vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
if client.config.flags then
client.config.flags.allow_incremental_sync = true
client.config.flags.debounce_text_changes = 100
end
local opts = { noremap=true, silent=true }
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vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
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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', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'ga', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
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vim.api.nvim_buf_set_keymap(bufnr, 'n', '<C-k>', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '1gd', '<cmd>lua vim.lsp.buf.document_symbol()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '1gD', '<cmd>lua vim.lsp.buf.workspace_symbol()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gR', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'pd', '<cmd>lua peek_definition()<CR>', opts)
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vim.api.nvim_buf_set_keymap(bufnr, 'n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev { wrap = false }<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next { wrap = false }<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '[D', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', ']D', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'do', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
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vim.api.nvim_buf_set_keymap(bufnr, 'n', ',d', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
if client.resolved_capabilities.document_formatting then
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gq', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
elseif client.resolved_capabilities.document_range_formatting then
vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gq', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
end
protocol.CompletionItemKind = {
''; -- text
''; -- method
''; -- function
''; -- ctor
''; -- field
''; -- variable
''; -- class
''; -- interface
''; -- module
''; -- property
''; -- unit
''; -- value
''; -- enum
''; -- keyword
''; -- snippet
''; -- color
''; -- file
''; -- reference
''; -- folder
''; -- enum member
''; -- constant
''; -- struct
''; -- event
''; -- operator
''; -- type parameter
}
end
local servers = { 'hls', 'rust_analyzer', 'pyls', 'tsserver' }
for _, lsp in ipairs(servers) do
nvim_lsp[lsp].setup {
on_attach = on_attach,
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}
end