feat: add an independent lvim namespace (#1699)

1 files changed, 66 insertions, 0 deletions

diff --git a/lua/lvim/lsp/null-ls/linters.lua b/lua/lvim/lsp/null-ls/linters.lua
new file mode 100644
index 00000000..9ea2d55b
--- /dev/null
+++ b/lua/lvim/lsp/null-ls/linters.lua
@@ -0,0 +1,66 @@
+local M = {}
+
+local null_ls = require "null-ls"
+local services = require "lvim.lsp.null-ls.services"
+local Log = require "lvim.core.log"
+
+function M.list_supported_names(filetype)
+  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)
+  local linters = {}
+  local tbl = require "lvim.utils.table"
+  for _, provider in pairs(null_ls.builtins.diagnostics) do
+    if tbl.contains(provider.filetypes or {}, function(ft)
+      return ft == "*" or ft == filetype
+    end) then
+      table.insert(linters, provider.name)
+    end
+  end
+
+  return linters
+end
+
+function M.list_configured(linter_configs)
+  local linters, errors = {}, {}
+
+  for _, lnt_config in pairs(linter_configs) do
+    local linter_name = lnt_config.exe:gsub("-", "_")
+    local linter = null_ls.builtins.diagnostics[linter_name]
+
+    if not linter then
+      Log:error("Not a valid linter: " .. lnt_config.exe)
+      errors[lnt_config.exe] = {} -- Add data here when necessary
+    else
+      local linter_cmd = services.find_command(linter._opts.command)
+      if not linter_cmd then
+        Log:warn("Not found: " .. linter._opts.command)
+        errors[lnt_config.exe] = {} -- Add data here when necessary
+      else
+        Log:debug("Using linter: " .. linter_cmd)
+        linters[lnt_config.exe] = linter.with {
+          command = linter_cmd,
+          extra_args = lnt_config.args,
+          filetypes = lnt_config.filetypes,
+        }
+      end
+    end
+  end
+
+  return { supported = linters, unsupported = errors }
+end
+
+function M.setup(linter_configs)
+  if vim.tbl_isempty(linter_configs) then
+    return
+  end
+
+  local linters = M.list_configured(linter_configs)
+  null_ls.register { sources = linters.supported }
+end
+
+return M