state-switch/dist/esm/tests/from-event-type.spec.js

State Switch is a Change Monitor/Guarder for Async Actions.

#!/usr/bin/env -S node --no-warnings --loader ts-node/esm
import { test } from 'tstest';
import { expectType, } from 'tsd';
import { fromEvent as rxFromEvent, firstValueFrom, } from 'rxjs';
import { StateSwitch, } from '../src/mod.js';
const fromEvent = rxFromEvent;
test('RxJS: fromEvent type inference', async (t) => {
    const state = new StateSwitch();
    const event$ = fromEvent(state, 'active');
    expectType(event$);
    const future = firstValueFrom(event$);
    state.active('pending');
    const result = await future;
    expectType(result);
    t.pass('RxJS typing ok');
    t.equal(result, 'pending', 'should get "pending" result');
});
test('RxJS: fromEvent stream for the second value', async (t) => {
    const state = new StateSwitch();
    const event$ = fromEvent(state, 'inactive');
    state.inactive('pending');
    const future = firstValueFrom(event$);
    state.inactive(true);
    const result = await future;
    t.equal(result, true, 'should get "true" result');
});
test('RxJS: fromEvent with StateSwitchInterface', async (t) => {
    const state = new StateSwitch();
    const event$ = fromEvent(state, 'active');
    state.active('pending');
    const future = firstValueFrom(event$);
    state.active(true);
    const result = await future;
    t.equal(result, true, 'should get "true" result');
});
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