tsconfig.json

{
    "extends": "@tsconfig/node10/tsconfig.json",
    "compilerOptions": {
        "declaration": true, /* Generates corresponding '.d.ts' file. */
        "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
        "sourceMap": true, /* Generates corresponding '.map' file. */
        "outDir": "./dist", /* Redirect output structure to the directory. */
        "rootDir": "./src", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
        "strict": true, /* Enable all strict type-checking options. */
        "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. */
        "noUnusedLocals": true, /* Report errors on unused locals. */
        "noUnusedParameters": true, /* Report errors on unused parameters. */
        "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
        "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */
        "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an 'override' modifier. */
        "noPropertyAccessFromIndexSignature": true, /* Require undeclared properties from index signatures to use element accesses. */
    }
}