gojs/projects/bpmn/tsconfig.json

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

{
  "compilerOptions": {
    "module": "umd",
    "target": "es5",
    "strict": true
  }
  // For ES6 modules you may wish to use a configuration like this instead:
  // "compilerOptions": {
  //   "target": "es6",
  //   "strict": true
  // }
}