feat: allow to use callback for command completion

haxelib.json

@@ -7,7 +7,7 @@
     "externs"
   ],
   "description": "Create neovim plugins using Haxe",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "classPath": "src/",
   "releasenote": "properly working as a lib",
   "contributors": [

src/Main.hx

@@ -39,6 +39,23 @@ function main() {
     }
   );
 
+  vim.Api.nvim_create_user_command_complete_cb("HaxeCmdCompletion", (args) -> {
+    Vim.print(args);
+    final spellRes = Spell.check("Hello bru! Hau are you?");
+    Vim.print(spellRes[1].first());
+    vim.Ui.select(t(["a"]), {prompt: "Pick one sexy option"}, (choice, _) -> Vim.print(choice));
+  }, {
+    desc: "Testing from haxe for completion callback",
+    force: true,
+    bang: true,
+    nargs: ExactlyOne,
+    range: WholeFile,
+    complete: (lead:String, full:String, x:Int) -> {
+      Vim.print(lead, full, x);
+      return t(["afa", "bea", lead + "bro"]);
+    }
+  });
+
   Vimx.autocmd('HaxeEvent', [BufWritePost], "*.hx", "Created from haxe", () -> {
     var filename = Vim.expand(ExpandString.plus(CurentFile, FullPath));
     Vim.print('Hello from axe', filename);
@@ -95,7 +112,12 @@ function runGh(args):Null< lua.Table< Int, String > > {
 function openInGh(?line) {
   final currentFile = vim.Fn.expand(CurentFile);
   final curentBranch = get_branch();
-  runGh(["browse", currentFile + line, "--branch", curentBranch[1]]);
+  runGh([
+    "browse",
+    currentFile + line,
+    "--branch",
+    curentBranch[1]
+  ]);
 }
 
 function get_branch() {
@@ -126,7 +148,13 @@ function nexTab() {
 function copyGhUrl(?line) {
   final currentFile = vim.Fn.expand(new ExpandString(CurentFile) + RelativePath);
   final curentBranch = get_branch();
-  var lines = runGh(["browse", currentFile + line, "--no-browser", "--branch", curentBranch[1]]);
+  var lines = runGh([
+    "browse",
+    currentFile + line,
+    "--no-browser",
+    "--branch",
+    curentBranch[1]
+  ]);
   switch (lines) {
     case null:
       Vim.print("No URL");

src/vim/Api.hx

@@ -72,6 +72,31 @@ extern class Api {
       ?range:CmdRange,
     } >
   ):Void;
+
+  /**
+    Same as create user command, but this is specifically typed
+    for completion callbacks.
+    Completion callback should take the following arguments:
+      ArgLead, CmdLine, CursorPos
+      Where:
+      ArgLead: The current value of the argument being completed
+      CmdLine: The full command line text
+      CursorPos: The current cursor position in the command line
+   */
+  @:native('nvim_create_user_command')
+  static function nvim_create_user_command_complete_cb(
+    command_name:String,
+    command:LuaObj< CommandCallbackArgs > -> Void,
+    opts:TableWrapper< {
+      desc:String,
+      force:Bool,
+      complete:(String, String, Int) -> lua.Table< Int, String >,
+      nargs:Nargs,
+      ?bang:Bool,
+      ?range:CmdRange,
+    } >
+  ):Void;
+
   static inline function create_user_command_completion(
     command_name:String,
     command:LuaObj< CommandCallbackArgs > -> Void,