tsconfig.json

{
    "compilerOptions": {
        /* Basic Options */
        // "incremental": true /* Enable incremental compilation */,
        "target": "ES2019" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. -- https://node.green/#ES2019 */,
        "module": "ESNext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
        "removeComments": true /* Do not emit comments to output. */,
        "importHelpers": true /* Import emit helpers from 'tslib'. */,
        "downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */,
        "isolatedModules": true /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */,
        "experimentalDecorators": true,
        "sourceMap": true,
        "jsx": "preserve",

        /* Strict Type-Checking Options */
        "strict": true /* Enable all strict type-checking options. */,
        "resolveJsonModule": true,
        "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
        "strictNullChecks": true /* Enable strict null checks. */,
        "strictFunctionTypes": true /* Enable strict checking of function types. */,
        "strictBindCallApply": true /* Enable strict 'bind', 'call', and 'apply' methods on functions. */,
        "strictPropertyInitialization": true /* Enable strict checking of property initialization in classes. */,
        "noImplicitThis": true /* Raise error on 'this' expressions with an implied 'any' type. */,
        "alwaysStrict": true /* Parse in strict mode and emit "use strict" for each source file. */,

        /* Additional Checks */
        "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
        "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,

        /* Module Resolution Options */
        "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
        "baseUrl": "." /* Base directory to resolve non-absolute module names. */,
        "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
        "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
        "paths": {
            "@/*": ["src/*"]
        },
        "lib": ["esnext", "dom", "dom.iterable", "scripthost"]
    },
    "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue", "tests/**/*.ts", "tests/**/*.tsx"],
    "exclude": ["node_modules"]
}