Moon

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Time

The time driver provides the current time and allows scheduling application functions to run after specific times.

Input

The time driver provides the current time as the number of milliseconds passed since January 1, 1970 00:00:00 UTC (the output of Date.now()).

Try in playgroundMoon.use({
    time: Moon.time.driver
});

Moon.run(({ time }) => {
    console.log(time);
    return {};
});

Output

The time driver accepts a map from timeouts in milliseconds to application functions. It will run each application function after the specified time has elapsed.

Try in playgroundMoon.use({
    time: Moon.time.driver
});

Moon.run(() => ({
    time: {
        1000: () => ({}), // Runs after one second
        2000: () => ({}), // Runs after two seconds
        3000: () => ({}) // Runs after three seconds
    }
}));

This can be useful to update a view, for example:

Try in playgroundconst p = Moon.view.m.p;

const main = ({ time }) => ({
    view:
        <p>
            The time is {new Date(time).toLocaleTimeString()}.
        </p>,
    time: { 1000: main } // Recurse after one second.
});

Moon.use({
    view: Moon.view.driver("#root"),
    time: Moon.time.driver
});

Moon.run(main);