DefinitelyTyped/types/tryer/tryer-tests.ts

import * as tryer from "tryer";

tryer(); // $ExpectError

// $ExpectError
tryer({
    action: null
});

// $ExpectError
tryer({
    fail: null
});

// $ExpectError
tryer({
    fail: null
});

// $ExpectError
tryer({
    interval: null
});

// $ExpectError
tryer({
    limit: null
});

// $ExpectError
tryer({
    pass: null
});

// $ExpectError
tryer({
    until: null
});

// $ExpectError
tryer({
    when: null
});

// $ExpectError
tryer({
    when: () => 1
});

// $ExpectError
tryer({
    until: () => 1
});

// $ExpectError
tryer({
    limit: "notNumber"
});

// $ExpectError
tryer({
    interval: "notNumber"
});

tryer({});

tryer({
    action: done => {
        done();
    },
    fail: error => {
        error.message;
        error.name;
    },
    interval: 1,
    until: () => true,
    when: () => false,
    limit: 1,
    pass: () => {}
});