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local M = {}
local _, null_ls = pcall(require, "null-ls")
local utils = require "utils"
local sources = {}
local local_executables = { "prettier", "prettierd", "prettier_d_slim", "eslint_d", "eslint" }
local find_local_exe = function(exe)
vim.cmd "let root_dir = FindRootDirectory()"
local root_dir = vim.api.nvim_get_var "root_dir"
local local_exe = root_dir .. "/node_modules/.bin/" .. exe
return local_exe
end
-- https://github.com/jose-elias-alvarez/null-ls.nvim/blob/9b8458bd1648e84169a7e8638091ba15c2f20fc0/doc/BUILTINS.md#eslint
local get_normalized_exe = function(exe, type)
if type == "diagnostics" and exe == "eslint_d" then
return "eslint"
end
return exe
end
local function setup_ls(exe, type)
if utils.has_value(local_executables, exe) then
local normalized_exe = get_normalized_exe(exe, type)
local smart_executable = null_ls.builtins[type][normalized_exe]
local local_executable = find_local_exe(exe)
if vim.fn.executable(local_executable) == 1 then
smart_executable._opts.command = local_executable
table.insert(sources, smart_executable)
else
if vim.fn.executable(exe) == 1 then
smart_executable._opts.command = exe
table.insert(sources, smart_executable)
end
end
else
if null_ls.builtins[type][exe] and vim.fn.executable(null_ls.builtins[type][exe]._opts.command) then
table.insert(sources, null_ls.builtins[type][exe])
end
end
null_ls.register { sources = sources }
end
-- TODO: for linters and formatters with spaces and '-' replace with '_'
local function setup(filetype, type)
local executables = nil
if type == "diagnostics" then
executables = lvim.lang[filetype].linters
end
if type == "formatting" then
executables = lvim.lang[filetype].formatter.exe
end
if utils.is_table(executables) then
for _, exe in pairs(executables) do
if exe ~= "" then
setup_ls(exe, type)
end
end
end
if utils.is_string(executables) and executables ~= "" then
setup_ls(executables, type)
end
end
-- TODO: return the formatter if one was registered, then turn off the builtin formatter
function M.setup(filetype)
setup(filetype, "formatting")
setup(filetype, "diagnostics")
lvim.sources = sources
return sources
end
return M
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