gojs/extensionsJSM/tsconfig.json

Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams

{
  "compilerOptions": {
    "target": "es6",
    "strict": true,
    "noImplicitOverride": true,
    "noUnusedLocals": true
  }
}