singleton.ts

import { DefaultKeyboardShortcutsService, KeyboardShortcutsApi } from "@kogito-tooling/microeditor-envelope";
import { ChannelType, getOperatingSystem } from "@kogito-tooling/core-api";

export class EmbeddedEditorKeyboardShortcuts {
  private static instance: KeyboardShortcutsApi;

  public static getInstance(channel: ChannelType): KeyboardShortcutsApi {
    if (!EmbeddedEditorKeyboardShortcuts.instance) {
      console.log("new instance")
      const editorContext = { channel, operatingSystem: getOperatingSystem() };
      EmbeddedEditorKeyboardShortcuts.instance = new DefaultKeyboardShortcutsService(editorContext);
    }
    return EmbeddedEditorKeyboardShortcuts.instance;
  }
}