function moveCursor()

in app/assets/javascripts/lib/utils/text_markdown.js [72:122]

• 47 lines of code
• 15 McCabe index (conditional complexity)

function moveCursor({
  textArea,
  tag,
  cursorOffset,
  positionBetweenTags,
  removedLastNewLine,
  select,
  editor,
  editorSelectionStart,
  editorSelectionEnd,
}) {
  var pos;
  if (textArea && !textArea.setSelectionRange) {
    return;
  }
  if (select && select.length > 0) {
    if (textArea) {
      // calculate the part of the text to be selected
      const startPosition = textArea.selectionStart - (tag.length - tag.indexOf(select));
      const endPosition = startPosition + select.length;
      return textArea.setSelectionRange(startPosition, endPosition);
    } else if (editor) {
      editor.navigateLeft(tag.length - tag.indexOf(select));
      editor.getSelection().selectAWord();
      return;
    }
  }
  if (textArea) {
    if (textArea.selectionStart === textArea.selectionEnd) {
      if (positionBetweenTags) {
        pos = textArea.selectionStart - tag.length;
      } else {
        pos = textArea.selectionStart;
      }

      if (removedLastNewLine) {
        pos -= 1;
      }

      if (cursorOffset) {
        pos -= cursorOffset;
      }

      return textArea.setSelectionRange(pos, pos);
    }
  } else if (editor && editorSelectionStart.row === editorSelectionEnd.row) {
    if (positionBetweenTags) {
      editor.navigateLeft(tag.length);
    }
  }
}