when given bindto element doesn't exist, will append node internally, but generating treemap data will throw parent.ownerDocument error. Fix waraping treemap data in array.
coverage: 93.731% (+0.01%) from 93.717%
when pulling 0150086ce34a0c09e5161e51bf9afb77eb000315 on netil:treemap#3777
into 7f5d5b08e4753aa1ea5df1cb6ca4f42b8a9d28d9 on naver:master.
Issue
3777
Details
when given bindto element doesn't exist, will append node internally, but generating treemap data will throw
parent.ownerDocument
error. Fix waraping treemap data in array.