WARNING in ./node_modules/vis/dist/img/network/zoomExtends.png

[scenaristeur]

WARNING in ./node_modules/vis/dist/img/network/zoomExtends.png
(Emitted value instead of an instance of Error) DEPRECATED. Configure mozjpeg's progressive option in its own options. (mozjpeg.progressive)
@ ./node_modules/css-loader!./node_modules/vis/dist/vis-network.min.css 7:14765-14805
@ ./node_modules/vis/dist/vis-network.min.css
@ ./src/app.js
@ multi (webpack)-dev-server/client?http://localhost:8080 ./app.js

so i follow this issue :
tcoopman/image-webpack-loader#68 & change

 query: {
            progressive: true,
            pngquant: {
              quality: '65-90',
              speed: 4
            }
          }