@arg packer {Packer}
*/
-CompressWhite = function (ts, packer, keepWhite)
+const CompressWhite = function (ts, packer, keepWhite)
{
keepWhite = keepWhite || false;
ts.rewind();
var out = '';
var outoff = 0;
- out.length = ts.slen; // prealloc.
+ try { out.length = ts.slen; } catch (e) {} // prealloc.
+
out = '';
var tok;
while (true) {