59 lines
No EOL
1.8 KiB
JavaScript
59 lines
No EOL
1.8 KiB
JavaScript
Elm.Time = function() {
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function timeNow() { return (new window.Date).getTime(); }
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var now = function(t) {
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var clock = Elm.Signal.constant(timeNow());
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function tellTime() { Dispatcher.notify(clock.id, timeNow()); }
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setInterval(tellTime, t);
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return clock;
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};
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function fps(desiredFPS) {
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var msPerFrame = 1000 / desiredFPS;
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var ticker = Elm.Signal.constant(timeNow());
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function tick() { Dispatcher.notify(ticker.id, timeNow()); }
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function f(t) { setTimeout(tick, msPerFrame); return t; }
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return Elm.Signal.lift(f)(ticker);
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}
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var every = function(t) {
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t *= 1000;
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var clock = Elm.Signal.constant(0);
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var time = 0;
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setInterval(function() {
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time += t;
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Dispatcher.notify(clock.id, time/1000);
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}, t);
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return clock;
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};
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var after = function(t) {
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t *= 1000;
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var thread = Elm.Signal.constant(false);
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setTimeout(function() { Dispatcher.notify(thread.id, true); }, t);
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return thread;
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};
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var before = function(t) {
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t *= 1000;
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var thread = Elm.Signal.constant(true);
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setTimeout(function() { Dispatcher.notify(thread.id, false); }, t);
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return thread;
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};
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function read(s) {
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var t = window.Date.parse(s);
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return isNaN(t) ? ["Nothing"] : ["Just",t];
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}
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return {now:now,
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fps:fps,
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every:every,
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after:after,
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before:before,
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hours : function(n) { return n * 3600000; },
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minutes : function(n) { return n * 60000; },
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seconds : function(n) { return n * 1000; },
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millis : function(n) { return n; },
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inHours : function(t) { return ~~(t / 3600000); },
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inMinutes : function(t) { return ~~(t / 60000); },
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inSeconds : function(t) { return ~~(t / 1000); },
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inMillis : function(t) { return t; },
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toDate : function(t) { return new window.Date(t); },
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read : read
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};
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}(); |