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local M = {}
local tbl = require "lvim.utils.table"
local Log = require "lvim.core.log"
function M.is_client_active(name)
local clients = vim.lsp.get_active_clients()
return tbl.find_first(clients, function(client)
return client.name == name
end)
end
function M.get_active_clients_by_ft(filetype)
local matches = {}
local clients = vim.lsp.get_active_clients()
for _, client in pairs(clients) do
local supported_filetypes = client.config.filetypes or {}
if client.name ~= "null-ls" and vim.tbl_contains(supported_filetypes, filetype) then
table.insert(matches, client)
end
end
return matches
end
function M.get_client_capabilities(client_id)
local client = vim.lsp.get_client_by_id(tonumber(client_id))
if not client then
Log:warn("Unable to determine client from client_id: " .. client_id)
return
end
local enabled_caps = {}
for capability, status in pairs(client.server_capabilities) do
if status == true then
table.insert(enabled_caps, capability)
end
end
return enabled_caps
end
---Get supported filetypes per server
---@param server_name string can be any server supported by nvim-lsp-installer
---@return string[] supported filestypes as a list of strings
function M.get_supported_filetypes(server_name)
local status_ok, config = pcall(require, ("lspconfig.server_configurations.%s"):format(server_name))
if not status_ok then
return {}
end
return config.default_config.filetypes or {}
end
---Get supported servers per filetype
---@param filter { filetype: string | string[] }?: (optional) Used to filter the list of server names.
---@return string[] list of names of supported servers
function M.get_supported_servers(filter)
local _, supported_servers = pcall(function()
return require("mason-lspconfig").get_available_servers(filter)
end)
return supported_servers or {}
end
---Get all supported filetypes by nvim-lsp-installer
---@return string[] supported filestypes as a list of strings
function M.get_all_supported_filetypes()
local status_ok, filetype_server_map = pcall(require, "mason-lspconfig.mappings.filetype")
if not status_ok then
return {}
end
return vim.tbl_keys(filetype_server_map or {})
end
function M.setup_document_highlight(client, bufnr)
if lvim.builtin.illuminate.active then
Log:debug "skipping setup for document_highlight, illuminate already active"
return
end
local status_ok, highlight_supported = pcall(function()
return client.supports_method "textDocument/documentHighlight"
end)
if not status_ok or not highlight_supported then
return
end
local group = "lsp_document_highlight"
local hl_events = { "CursorHold", "CursorHoldI" }
local ok, hl_autocmds = pcall(vim.api.nvim_get_autocmds, {
group = group,
buffer = bufnr,
event = hl_events,
})
if ok and #hl_autocmds > 0 then
return
end
vim.api.nvim_create_augroup(group, { clear = false })
vim.api.nvim_create_autocmd(hl_events, {
group = group,
buffer = bufnr,
callback = vim.lsp.buf.document_highlight,
})
vim.api.nvim_create_autocmd("CursorMoved", {
group = group,
buffer = bufnr,
callback = vim.lsp.buf.clear_references,
})
end
function M.setup_document_symbols(client, bufnr)
vim.g.navic_silence = false -- can be set to true to suppress error
local symbols_supported = client.supports_method "textDocument/documentSymbol"
if not symbols_supported then
Log:debug("skipping setup for document_symbols, method not supported by " .. client.name)
return
end
local status_ok, navic = pcall(require, "nvim-navic")
if status_ok then
navic.attach(client, bufnr)
end
end
function M.setup_codelens_refresh(client, bufnr)
local status_ok, codelens_supported = pcall(function()
return client.supports_method "textDocument/codeLens"
end)
if not status_ok or not codelens_supported then
return
end
local group = "lsp_code_lens_refresh"
local cl_events = { "BufEnter", "InsertLeave" }
local ok, cl_autocmds = pcall(vim.api.nvim_get_autocmds, {
group = group,
buffer = bufnr,
event = cl_events,
})
if ok and #cl_autocmds > 0 then
return
end
vim.api.nvim_create_augroup(group, { clear = false })
vim.api.nvim_create_autocmd(cl_events, {
group = group,
buffer = bufnr,
callback = vim.lsp.codelens.refresh,
})
end
---filter passed to vim.lsp.buf.format
---always selects null-ls if it's available and caches the value per buffer
---@param client table client attached to a buffer
---@return boolean if client matches
function M.format_filter(client)
local filetype = vim.bo.filetype
local n = require "null-ls"
local s = require "null-ls.sources"
local method = n.methods.FORMATTING
local available_formatters = s.get_available(filetype, method)
if #available_formatters > 0 then
return client.name == "null-ls"
elseif client.supports_method "textDocument/formatting" then
return true
else
return false
end
end
---Simple wrapper for vim.lsp.buf.format() to provide defaults
---@param opts table|nil
function M.format(opts)
opts = opts or {}
opts.filter = opts.filter or M.format_filter
return vim.lsp.buf.format(opts)
end
return M
|
