changed to plain javaScript

dcc-viewer/.idea/.gitignore

dcc-viewer/.idea/dcc-viewer.iml

dcc-viewer/.idea/inspectionProfiles/Project_Default.xml

dcc-viewer/.idea/modules.xml

dcc-viewer/.idea/vcs.xml

dcc-viewer/public/index.html

dcc-viewer/src/components/BaseViewer.js

dcc-viewer/src/components/BaseViewer.ts

dcc-viewer/src/components/JSONTreeViewer.js

dcc-viewer/src/globalData.js

dcc-viewer/src/globalData.ts

dcc-viewer/src/globalOptions.js

dcc-viewer/src/idRegistry.js

dcc-viewer/src/idRegistry.ts

dcc-viewer/src/main.js

dcc-viewer/src/ui/languageSelector.js

dcc-viewer/src/ui/themeSwitcher.js

dcc-viewer/src/utils.js

dcc-viewer/src/viewerRegistry.js

dcc-viewer/src/viewerRegistry.ts