add getThis() helper method

See the comment section of HaxeFoundation/haxe@e3a022d

generate.hxml

@@ -3,6 +3,7 @@
 -main js.jquery.ExternGenerator
 -lib mcli
 --macro allowPackage('js')
+--macro exclude('js.html.compat')
 # -cmd neko ExternGenerator.n --api-xml api.xml --output-folder .
 -cmd neko ExternGenerator.n --api-xml api.xml --output-folder . --pack js.jquery --native '$' --use-element --use-haxe-either --use-haxe-rest --no-seperated-static --no-rename-static-field --add-haxe-iterator
 # -cmd neko ExternGenerator.n --api-xml api.xml --output-folder ~/Library/Caches/Homebrew/haxe--git/std --pack js.jquery --native '$' --no-build --use-element --use-haxe-either --use-haxe-rest --no-seperated-static --no-rename-static-field --add-haxe-iterator

js/jquery/Event.hx

@@ -155,4 +155,9 @@ package js.jquery;
 			
 	**/
 	public var view : js.html.Window;
+	/**
+		A convenient method of getting `$(this)`, which is typically the same as `$(evt.currentTarget)`.
+		For detail, refer to https://api.jquery.com/event.currenttarget/.
+	**/
+	inline public function getThis():js.jquery.JQuery return new js.jquery.JQuery(js.Lib.nativeThis);
 }

js/jquery/ExternGenerator.hx

@@ -1160,6 +1160,30 @@ class ExternGenerator #if (mcli && !macro) extends CommandLine #end {
 							}
 							var evtFields:Array<Dynamic> = getFields("js.html.Event");
 							td.fields = td.fields.filter(function(field) return !evtFields.exists(function(f) return f.name == field.name));
+
+							// add getThis() helper method
+							// See the comment section of https://github.com/HaxeFoundation/haxe/commit/e3a022dd4bae85f8456cf3f1683fefd2e0b5d22d
+							{
+								var jq = jqType("JQuery");
+								var JqTPath = switch (jq) {
+									case TPath(tp): tp;
+									case v: throw v;
+								}
+								td.fields.push({
+									name: "getThis",
+									doc: "A convenient method of getting `$(this)`, which is typically the same as `$(evt.currentTarget)`.\n"
+									+ "For detail, refer to https://api.jquery.com/event.currenttarget/.",
+									access: [AInline, APublic],
+									kind: FFun({
+										params: null,
+										args: [],
+										ret: jq,
+										expr: macro return new $JqTPath(js.Lib.nativeThis),
+									}),
+									meta: [],
+									pos: null
+								});
+							}
 						default:
 							//pass
 					}