feat: added use_diagnostics option to populate diagnostics list (#50)

* feat: added use_diagnostics option to populate diagnostics list as well as quickfix list

* fix: edited diagnostics for matching infos from error

README.md

@@ -81,6 +81,7 @@ By default, the plugin uses the default `tsc` command with the `--noEmit` flag t
   auto_focus_qflist = false,
   auto_start_watch_mode = false,
   use_trouble_qflist = false,
+  use_diagnostics = false,
   run_as_monorepo = false,
   bin_path = utils.find_tsc_bin(),
   enable_progress_notifications = true,
@@ -162,6 +163,14 @@ require('tsc').setup({
 
 This will use Trouble for the quickfix list. This will work with all other options such as `auto_open_qflist`, `auto_close_qflist`, `auto_focus_qflist`.
 
+### Can it show the error list directly in my file explorer (like nvim-tree)
+
+Yes. As file explorers uses LSP diagnostics, you can use the `use_diagnostics` option in order to populate the diagnostics list as well as the quickfix list
+
+```
+use_diagnostics = true
+```
+
 ## Contributing
 
 Feel free to open issues or submit pull requests if you encounter any bugs or have suggestions for improvements. Your contributions are welcome!

lua/tsc/init.lua

@@ -15,6 +15,7 @@ end
 --- @field auto_focus_qflist boolean - (false) When true the quick fix list will automatically focus when errors are found
 --- @field auto_start_watch_mode boolean - (false) When true the `tsc` process will be started in watch mode when a typescript buffer is opened
 --- @field use_trouble_qflist boolean - (false) When true the quick fix list will be opened in Trouble if it is installed
+--- @field use_diagnostics boolean - (false) When true the errors will be set as diagnostics
 --- @field run_as_monorepo boolean - (false) When true the `tsc` process will be started mode for each tsconfig in the current working directory
 --- @field bin_path string - Path to the tsc binary if it is not in the projects node_modules or globally
 --- @field enable_progress_notifications boolean - (true) When false progress notifications will not be shown
@@ -29,6 +30,7 @@ local DEFAULT_CONFIG = {
   auto_focus_qflist = false,
   auto_start_watch_mode = false,
   use_trouble_qflist = false,
+  use_diagnostics = false,
   bin_path = utils.find_tsc_bin(),
   enable_progress_notifications = true,
   run_as_monorepo = false,
@@ -177,6 +179,28 @@ M.run = function()
       use_trouble = config.use_trouble_qflist,
     })
 
+    if config.use_diagnostics then
+      local namespace_id = vim.api.nvim_create_namespace("tsc_diagnostics")
+      vim.diagnostic.reset(namespace_id)
+
+      for _, error in ipairs(errors) do
+        local bufnr = vim.fn.bufnr(error.filename)
+        if bufnr == -1 then
+          vim.notify("Buffer not found for " .. error.filename, vim.log.levels.ERROR, get_notify_options())
+          return
+        end
+        local diagnostic = {
+          bufnr = bufnr,
+          lnum = error.lnum - 1,
+          col = error.col - 1,
+          severity = vim.diagnostic.severity.ERROR,
+          message = error.text,
+          source = "tsc",
+        }
+        vim.diagnostic.set(namespace_id, bufnr, { diagnostic }, {})
+      end
+    end
+
     if not config.enable_progress_notifications then
       return
     end