How to read Gml File in Angular

Question

I don't know how I can read the values of a gml file in angular.

I don't know if there is any library that I can use to read a gml file in angular or a tutorial that explain how to use?

I found this library cytoscape but I don't understand how to use it.

<gml:Polygon>
        <gml:outerBoundaryIs>
                 <gml:LinearRing>
                         <gml:coordinates>0,0 100,0 100,100 0,100 0,0</gml:coordinates>
                 </gml:LinearRing>
        </gml:outerBoundaryIs>
</gml:Polygon>

<gml:Point>
        <gml:coordinates>100,200</gml:coordinates>
</gml:Point>

<gml:LineString>
        <gml:coordinates>100,200 150,300</gml:coordinates>
</gml:LineString>

Thank you very much!!!