mathjs/types/tsconfig.json

{
  "compilerOptions": {
    "baseUrl": ".",
    "paths": {
      "mathjs": ["./index.d.ts"]
    },
    "typeRoots": [],
    "types": [],
    "lib": ["ES6", "DOM"],
    "module": "commonjs",
    "noEmit": true,
    "noImplicitAny": true,
    "noImplicitThis": true,
    "strictNullChecks": false,
    "strictFunctionTypes": true,
    "forceConsistentCasingInFileNames": true
  }
}