Function getAndUpdateModeHandler

extensionBase.ts:30–69

(
  forceSyncAndUpdate = false,
)

}

export async function getAndUpdateModeHandler(
  forceSyncAndUpdate = false,
): Promise<ModeHandler | undefined> {
  const activeTextEditor = vscode.window.activeTextEditor;
  if (activeTextEditor === undefined || activeTextEditor.document.isClosed) {
    return undefined;
  }

  const [curHandler, isNew] = await ModeHandlerMap.getOrCreate(activeTextEditor);
  if (isNew) {
    extensionContext.subscriptions.push(curHandler);
  }

  curHandler.vimState.editor = activeTextEditor;

  if (
    forceSyncAndUpdate ||
    !previousActiveEditorUri ||
    previousActiveEditorUri !== activeTextEditor.document.uri
  ) {
    // We sync the cursors here because ModeHandler is specific to a document, not an editor, so we
    // need to update our representation of the cursors when switching between editors for the same document.
    // This will be unnecessary once #4889 is fixed.
    curHandler.syncCursors();
    curHandler.updateView({ drawSelection: false, revealRange: false });
  }

  previousActiveEditorUri = activeTextEditor.document.uri;

  if (curHandler.focusChanged) {
    curHandler.focusChanged = false;

    if (previousActiveEditorUri) {
      const prevHandler = ModeHandlerMap.get(previousActiveEditorUri);
      prevHandler!.focusChanged = true;
    }
  }

  return curHandler;
}

/**
 * Loads and validates the user's configuration