fix: add extensions for relative imports

src/ReactKonva.ts

@@ -8,4 +8,4 @@
 'use strict';
 
 import 'konva';
-export * from './ReactKonvaCore';
+export * from './ReactKonvaCore.js';

src/ReactKonvaCore.tsx

@@ -8,11 +8,11 @@
 'use strict';
 
 import React from 'react';
-import Konva from 'konva/lib/Core';
+import Konva from 'konva/lib/Core.js';
 import ReactFiberReconciler from 'react-reconciler';
-import { LegacyRoot, ConcurrentRoot } from 'react-reconciler/constants';
-import * as HostConfig from './ReactKonvaHostConfig';
-import { applyNodeProps, toggleStrictMode } from './makeUpdates';
+import { LegacyRoot, ConcurrentRoot } from 'react-reconciler/constants.js';
+import * as HostConfig from './ReactKonvaHostConfig.js';
+import { applyNodeProps, toggleStrictMode } from './makeUpdates.js';
 import { useContextBridge, FiberProvider } from 'its-fine';
 
 function usePrevious(value) {

src/ReactKonvaHostConfig.ts

@@ -1,12 +1,12 @@
-import Konva from 'konva/lib/Core';
-import { applyNodeProps, updatePicture, EVENTS_NAMESPACE } from './makeUpdates';
+import Konva from 'konva/lib/Core.js';
+import { applyNodeProps, updatePicture, EVENTS_NAMESPACE } from './makeUpdates.js';
 
 export {
   unstable_now as now,
   unstable_IdlePriority as idlePriority,
   unstable_runWithPriority as run,
 } from 'scheduler';
-import { DefaultEventPriority } from 'react-reconciler/constants';
+import { DefaultEventPriority } from 'react-reconciler/constants.js';
 
 const NO_CONTEXT = {};
 const UPDATE_SIGNAL = {};

src/makeUpdates.ts

@@ -1,4 +1,4 @@
-import { Konva } from 'konva/lib/Global';
+import { Konva } from 'konva/lib/Global.js';
 
 const propsToSkip = {
   children: true,