message: fix(sector): remove unnecessary condition.
diff: @@ -120,7 +120,7 @@ function normalizeCornerRadius(
  arr = [cr, cr, cr, cr];
  }
  // use `r - r0` if the sector is annular
  - const dr = r && r0 ? r - r0 : r;
  + const dr = r0 ? r - r0 : r;
  return map(arr, cr => parsePercent(cr, dr));
  }
  