How to support Arabic text wrapping in Treemap

[mrashad2017]

When add Arabic text in Treemap like using "index.html" in the following link :
https://bl.ocks.org/mbostock/b4c0f143db88a9eb01a315a1063c1d77
We get the following:

Which there is an issue in wrapping Arabic text.
After some investigation we can remove "white-space" from .node-labe to be as following :
.node-label {
padding: 4px;
line-height: 1em;
}
The text will be as following: