How to build charts by week number of the year on AmCharts?

Question

JavaScript

How to build charts by week number of the year on AmCharts?
The data is in the form
YYYY-WW
"dataProvider":[
{
"category":"2018-10",
"test":"400"
},
{
"category":"2018-11",
"test":"500"
},
{
"category":"2018-12",
"test":"600"
},
],