Published
Edited
Nov 17, 2020
rxTimer = rx.timer(0, 1000)
rxContent = rxTimer.pipe(
rx.operators.map(val => md`This cell was reloaded ${val} seconds ago.`)
)
rx2gen(rxContent)
rxValue = gen2rx(Generators.input(viewof value))
{
var content = rxValue.pipe(
rx.operators.map(val => md`Slider value is ${val}`)
);
return rx2gen(content);
}
async function* agTimer() {
let i = 0;
while (true) {
await Promises.delay(1000);
yield ++i;
}
}
agTimer()
rx2gen(
asyncgen2rx(agTimer()).pipe(
rx.operators.map(val => md`This cell was last reloaded ${val} seconds ago`)
)
)
function rx2gen(observable) {
return Generators.observe(change => {
observable.subscribe(next => change(next));
});
}
function gen2rx(generator) {
return rx.Observable.create(subscriber => {
function update() {
var { done, value } = generator.next();
if (done) {
subscriber.complete();
} else {
value.then(
val => {
subscriber.next(val);
update();
},
err => {
subscriber.error(err);
}
);
}
}
update();
});
}
function asyncgen2rx(generator) {
return rx.Observable.create(subscriber => {
function update() {
generator.next().then(
({ done, value }) => {
if (done) {
subscriber.complete();
} else {
subscriber.next(value);
update();
}
},
err => {
subscriber.error(err);
}
);
}
update();
});
}
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