function keyCommandPlainBackspace()

in src/component/handlers/edit/commands/keyCommandPlainBackspace.js [25:52]

• 26 lines of code
• 4 McCabe index (conditional complexity)

function keyCommandPlainBackspace(editorState: EditorState): EditorState {
  const afterRemoval = removeTextWithStrategy(
    editorState,
    strategyState => {
      const selection = strategyState.getSelection();
      const content = strategyState.getCurrentContent();
      const key = selection.getAnchorKey();
      const offset = selection.getAnchorOffset();
      const charBehind = content.getBlockForKey(key).getText()[offset - 1];
      return moveSelectionBackward(
        strategyState,
        charBehind ? UnicodeUtils.getUTF16Length(charBehind, 0) : 1,
      );
    },
    'backward',
  );

  if (afterRemoval === editorState.getCurrentContent()) {
    return editorState;
  }

  const selection = editorState.getSelection();
  return EditorState.push(
    editorState,
    afterRemoval.setSelectionBefore(selection),
    selection.isCollapsed() ? 'backspace-character' : 'remove-range',
  );
}