tsconfig.json

{
  "include": [
    "*.d.ts",
    "src",
    "test"
  ],
  "compilerOptions": {
    /*
     * Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
     *
     * This extension only supports Gnome versions >= 45 which implies that the
     * GJS runtime is at least v1.78 which in turn is based on SpiderMonkey-115
     * which features support for ECMAScript 2022 aka ES13.
     */
    "target": "ES2022",

    /**
     * Specify a set of bundled library declaration files that describe the target runtime environment.
     *
     * Restrict types to what is offered by the JS runtime environment. When not
     * defined explicitly, DOM related APIs (e.g. window, etc.) will wrongfully
     * be available in the project.
     *
     * Additional declarations and globals are specified in gnome-shell.d.ts.
     */
    "lib": ["ES2022"],

    /**
     * Specify what module code is generated.
     *
     * Checks package.json "type" field to determine module output format.
     */
    "module": "Node16",

    /**
     * Specify how TypeScript looks up a file from a given module specifier.
     */
    "moduleResolution": "Node16",

    /* Emit */
    "sourceMap": true,                                   /* Create source map files for emitted JavaScript files. */
    "outDir": "./out",                                   /* Specify an output folder for all emitted files. */
    "removeComments": true,                              /* Disable emitting comments. */

    /* Interop Constraints */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */

    /* Type Checking */
    "strict": true,                                      /* Enable all strict type-checking options. */
    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
  },
}