wonka
Version:
A fast push & pull stream library for Reason, loosely following the [callbag spec](https://github.com/callbag/callbag)
74 lines (68 loc) • 3.1 kB
JavaScript
import * as Block from "bs-platform/lib/es6/block.js";
import * as Curry from "bs-platform/lib/es6/curry.js";
import * as Wonka_helpers from "../wonka_helpers.js";
function skipUntil(notifier) {
return (function (source) {
return (function (sink) {
var state = /* record */[
/* skip */true,
/* ended */false,
/* gotSignal */false,
/* sourceTalkback */Wonka_helpers.talkbackPlaceholder,
/* notifierTalkback */Wonka_helpers.talkbackPlaceholder
];
Curry._1(source, (function (signal) {
if (typeof signal === "number") {
if (state[/* skip */0]) {
state[/* notifierTalkback */4](/* Close */1);
}
state[/* ended */1] = true;
return sink(/* End */0);
} else if (signal.tag) {
if (state[/* skip */0] && !state[/* ended */1]) {
return state[/* sourceTalkback */3](/* Pull */0);
} else if (state[/* ended */1]) {
return /* () */0;
} else {
state[/* gotSignal */2] = false;
return sink(signal);
}
} else {
var tb = signal[0];
state[/* sourceTalkback */3] = tb;
return Curry._1(notifier, (function (signal) {
if (typeof signal === "number") {
return /* () */0;
} else if (signal.tag) {
state[/* skip */0] = false;
return state[/* notifierTalkback */4](/* Close */1);
} else {
var innerTb = signal[0];
state[/* notifierTalkback */4] = innerTb;
innerTb(/* Pull */0);
return tb(/* Pull */0);
}
}));
}
}));
return sink(/* Start */Block.__(0, [(function (signal) {
if (signal) {
if (state[/* skip */0]) {
state[/* notifierTalkback */4](/* Close */1);
}
state[/* ended */1] = true;
return state[/* sourceTalkback */3](/* Close */1);
} else if (!state[/* gotSignal */2] && !state[/* ended */1]) {
state[/* gotSignal */2] = true;
return state[/* sourceTalkback */3](/* Pull */0);
} else {
return /* () */0;
}
})]));
});
});
}
export {
skipUntil ,
}
/* No side effect */