Method join

src/diff/base.ts:295–301

(chars: TokenT[])

  }

  join(chars: TokenT[]): ValueT {
    // Assumes ValueT is string, which is the case for most subclasses.
    // When it's false, e.g. in diffArrays, this method needs to be overridden (e.g. with a no-op)
    // Yes, the casts are verbose and ugly, because this pattern - of having the base class SORT OF
    // assume tokens and values are strings, but not completely - is weird and janky.
    return (chars as string[]).join('') as unknown as ValueT;
  }

  postProcess(
    changeObjects: ChangeObject<ValueT>[],