tsconfig.json

{
  "files": [
    "./x-element.js",
    "./x-parser.js",
    "./x-template.js"
  ],
  "compilerOptions": {
    "target": "ESNext",
    // Beyond just organization, a “bug” in how JSDocs works causes a cyclic
    //  import to be detected by TypeScript when letting generated “*.d.ts”
    //  sit next to files.
    "outDir": "types",
    "allowJs": true,
    "checkJs": true,
    "declaration": true,
    "emitDeclarationOnly": true,
    // Even though the docs suggest that “declarationMap” is a way to go from
    //  generated-js back to ts… it also seems to be the case that it will help
    //  IDEs get to the right _js_ when using types. See
    //  https://www.typescriptlang.org/docs/handbook/declaration-files/dts-from-js.html
    "declarationMap": true,
    "noEmitOnError": true,
    "module": "NodeNext", // Approximates browser target.
    // TODO: #357: Fix implicit any types.
    "noImplicitAny": false
  }
}