feat: update import paths in ESM tests and configure esbuild alias in karma

Author: xdan

test/tests/acceptance/esm.test.esm.js

@@ -1,7 +1,6 @@
-import '../../../build/esm/plugins/all.js';
-
-import { Jodit } from '../../../build/esm/index.js';
+import 'base/build/esm/plugins/all.js';
 
+import { Jodit } from 'base/build/esm/index.js';
 import { expect } from 'chai';
 
 describe('ESM build', () => {

tools/karma.conf.ts

@@ -166,9 +166,14 @@ module.exports = function (cnf: Config): void {
 		],
 
 		preprocessors: { './**/*.test.esm.js': ['esbuild'] },
+		// @ts-expect-error karma-esbuild does not have types
+		esbuild: {
+			alias: {
+				base: argv.cwd
+			}
+		},
 
 		proxies: {
-			'/build/esm/plugins/all.js': '/base/build/esm/plugins/all.js',
 			'/app.css': '/base/public/app.css',
 			'/public/app.css': '/base/public/app.css',
 			'/tests/artio.jpg': '/base/test/tests/artio.jpg',