4 files changed, 55 insertions, 85 deletions
diff --git a/.config/nvim/lua/lsp/null-ls/formatters.lua b/.config/nvim/lua/lsp/null-ls/formatters.lua
index 651d6f1..0d3505f 100644
--- a/.config/nvim/lua/lsp/null-ls/formatters.lua
+++ b/.config/nvim/lua/lsp/null-ls/formatters.lua
@@ -1,29 +1,14 @@
 local M = {}
-local formatters_by_ft = {}
 
 local null_ls = require "null-ls"
 local services = require "lsp.null-ls.services"
-local Log = require("core.log")
-
-local function list_names(formatters, option)
-  option = option or {}
-  local filter = option.filter or "supported"
-
-  return vim.tbl_keys(formatters[filter])
-end
+local Log = require "core.log"
 
 function M.list_supported_names(filetype)
-  if not formatters_by_ft[filetype] then
-    return {}
-  end
-  return list_names(formatters_by_ft[filetype], { filter = "supported" })
-end
-
-function M.list_unsupported_names(filetype)
-  if not formatters_by_ft[filetype] then
-    return {}
-  end
-  return list_names(formatters_by_ft[filetype], { filter = "unsupported" })
+  local null_ls_methods = require "null-ls.methods"
+  local formatter_method = null_ls_methods.internal["FORMATTING"]
+  local registered_providers = services.list_registered_providers_names(filetype)
+  return registered_providers[formatter_method] or {}
 end
 
 function M.list_available(filetype)
@@ -45,15 +30,15 @@ function M.list_configured(formatter_configs)
     local formatter = null_ls.builtins.formatting[fmt_config.exe]
 
     if not formatter then
-      Log:error("Not a valid formatter:" .. fmt_config.exe)
+      Log:error("Not a valid formatter: " .. fmt_config.exe)
       errors[fmt_config.exe] = {} -- Add data here when necessary
     else
       local formatter_cmd = services.find_command(formatter._opts.command)
       if not formatter_cmd then
-        Log:warn("Not found:" .. formatter._opts.command)
+        Log:warn("Not found: " .. formatter._opts.command)
         errors[fmt_config.exe] = {} -- Add data here when necessary
       else
-        Log:debug("Using formatter:" .. formatter_cmd)
+        Log:debug("Using formatter: " .. formatter_cmd)
         formatters[fmt_config.exe] = formatter.with {
           command = formatter_cmd,
           extra_args = fmt_config.args,
@@ -65,12 +50,13 @@ function M.list_configured(formatter_configs)
   return { supported = formatters, unsupported = errors }
 end
 
-function M.setup(filetype, option)
-  if not options.lang[filetype] or (formatters_by_ft[filetype] and not option.force_reload) then
+function M.setup(formatter_configs, filetype)
+  if vim.tbl_isempty(formatter_configs) then
     return
   end
 
-  formatters_by_ft[filetype] = M.list_configured(options.lang[filetype].formatters)
+  local formatters_by_ft = {}
+  formatters_by_ft[filetype] = M.list_configured(formatter_configs)
   null_ls.register { sources = formatters_by_ft[filetype].supported }
 end
 
diff --git a/.config/nvim/lua/lsp/null-ls/init.lua b/.config/nvim/lua/lsp/null-ls/init.lua
index d12b40a..571fb6b 100644
--- a/.config/nvim/lua/lsp/null-ls/init.lua
+++ b/.config/nvim/lua/lsp/null-ls/init.lua
@@ -1,44 +1,26 @@
 local M = {}
 
-function M.list_supported_provider_names(filetype)
-  local names = {}
-
-  local formatters = require "lsp.null-ls.formatters"
-  local linters = require "lsp.null-ls.linters"
-
-  vim.list_extend(names, formatters.list_supported_names(filetype))
-  vim.list_extend(names, linters.list_supported_names(filetype))
-
-  return names
-end
-
-function M.list_unsupported_provider_names(filetype)
-  local names = {}
-
-  local formatters = require "lsp.null-ls.formatters"
-  local linters = require "lsp.null-ls.linters"
-
-  vim.list_extend(names, formatters.list_unsupported_names(filetype))
-  vim.list_extend(names, linters.list_unsupported_names(filetype))
-
-  return names
-end
-
--- TODO: for linters and formatters with spaces and '-' replace with '_'
-function M.setup(filetype, option)
-  option = option or {}
-
-  local ok, _ = pcall(require, "null-ls")
-  if not ok then
-    require("core.log"):error "Missing null-ls dependency"
+local Log = require "core.log"
+local formatters = require "lsp.null-ls.formatters"
+local linters = require "lsp.null-ls.linters"
+
+function M:setup()
+  local status_ok, null_ls = pcall(require, "null-ls")
+  if not status_ok then
+    Log:error "Missing null-ls dependency"
     return
   end
 
-  local formatters = require "lsp.null-ls.formatters"
-  local linters = require "lsp.null-ls.linters"
-
-  formatters.setup(filetype, option)
-  linters.setup(filetype, option)
+  null_ls.config()
+  require("lspconfig")["null-ls"].setup(options.lsp.null_ls.setup)
+  for _, filetype in pairs(options.lang) do
+    if filetype.formatters then
+      formatters.setup(filetype.formatters, filetype)
+    end
+    if filetype.linters then
+      linters.setup(filetype.linters, filetype)
+    end
+  end
 end
 
 return M
diff --git a/.config/nvim/lua/lsp/null-ls/linters.lua b/.config/nvim/lua/lsp/null-ls/linters.lua
index 0f6cbc1..e9e92e9 100644
--- a/.config/nvim/lua/lsp/null-ls/linters.lua
+++ b/.config/nvim/lua/lsp/null-ls/linters.lua
@@ -1,29 +1,14 @@
 local M = {}
-local linters_by_ft = {}
 
 local null_ls = require "null-ls"
 local services = require "lsp.null-ls.services"
-local Log = require("core.log")
-
-local function list_names(linters, option)
-  option = option or {}
-  local filter = option.filter or "supported"
-
-  return vim.tbl_keys(linters[filter])
-end
+local Log = require "core.log"
 
 function M.list_supported_names(filetype)
-  if not linters_by_ft[filetype] then
-    return {}
-  end
-  return list_names(linters_by_ft[filetype], { filter = "supported" })
-end
-
-function M.list_unsupported_names(filetype)
-  if not linters_by_ft[filetype] then
-    return {}
-  end
-  return list_names(linters_by_ft[filetype], { filter = "unsupported" })
+  local null_ls_methods = require "null-ls.methods"
+  local linter_method = null_ls_methods.internal["DIAGNOSTICS"]
+  local registered_providers = services.list_registered_providers_names(filetype)
+  return registered_providers[linter_method] or {}
 end
 
 function M.list_available(filetype)
@@ -65,12 +50,13 @@ function M.list_configured(linter_configs)
   return { supported = linters, unsupported = errors }
 end
 
-function M.setup(filetype, option)
-  if not options.lang[filetype] or (linters_by_ft[filetype] and not option.force_reload) then
+function M.setup(linter_configs, filetype)
+  if vim.tbl_isempty(linter_configs) then
     return
   end
 
-  linters_by_ft[filetype] = M.list_configured(options.lang[filetype].linters)
+  local linters_by_ft = {}
+  linters_by_ft[filetype] = M.list_configured(linter_configs)
   null_ls.register { sources = linters_by_ft[filetype].supported }
 end
 
diff --git a/.config/nvim/lua/lsp/null-ls/services.lua b/.config/nvim/lua/lsp/null-ls/services.lua
index a1e3a06..c62fc70 100644
--- a/.config/nvim/lua/lsp/null-ls/services.lua
+++ b/.config/nvim/lua/lsp/null-ls/services.lua
@@ -28,6 +28,7 @@ local local_providers = {
   prettier_d_slim = { find = from_node_modules },
   eslint_d = { find = from_node_modules },
   eslint = { find = from_node_modules },
+  stylelint = { find = from_node_modules },
 }
 
 function M.find_command(command)
@@ -44,4 +45,19 @@ function M.find_command(command)
   return nil
 end
 
+function M.list_registered_providers_names(filetype)
+  local u = require "null-ls.utils"
+  local c = require "null-ls.config"
+  local registered = {}
+  for method, source in pairs(c.get()._methods) do
+    for name, filetypes in pairs(source) do
+      if u.filetype_matches(filetypes, filetype) then
+        registered[method] = registered[method] or {}
+        table.insert(registered[method], name)
+      end
+    end
+  end
+  return registered
+end
+
 return M