webstorm-xo-codestyle.xml

<code_scheme name="XO">
  <JSCodeStyleSettings>
    <option name="USE_DOUBLE_QUOTES" value="false" />
    <option name="FORCE_QUOTE_STYlE" value="true" />
    <option name="ENFORCE_TRAILING_COMMA" value="Remove" />
  </JSCodeStyleSettings>
  <codeStyleSettings language="JavaScript">
    <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
    <option name="BLANK_LINES_AROUND_FIELD" value="1" />
    <indentOptions>
      <option name="INDENT_SIZE" value="2" />
      <option name="CONTINUATION_INDENT_SIZE" value="2" />
      <option name="TAB_SIZE" value="2" />
      <option name="USE_TAB_CHARACTER" value="true" />
    </indentOptions>
  </codeStyleSettings>
</code_scheme>