Experiment to rebuild Diffuse using web applets.
refactor: Easier reactive state + some other improvements
+27
-39
+1
-1
src/pages/engines/audio/index.astro
src/pages/engine/audio/index.astro
+1
-1
src/pages/engines/audio/index.astro
src/pages/engine/audio/index.astro
···
2
2
import Applet from "../../../layouts/applet.astro";
3
3
---
4
4
5
-
<Applet title="Diffuse engines/audio applet">
5
+
<Applet title="Diffuse engine/audio applet">
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6
<div id="container">
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7
<audio
8
8
src="https://archive.org/download/lp_moonlight-sonata_ludwig-van-beethoven-frdric-chopin-alexand/disc1%2F01.02.%20Moonlight%20Sonata%20Op.%2027%2C%20No.%202%20In%20C%20Sharp%20Minor%3A%20Allegretto.mp3?tunnel=1"
+1
-1
src/pages/engines/audio/manifest.json.ts
src/pages/engine/audio/manifest.json.ts
+1
-1
src/pages/engines/audio/manifest.json.ts
src/pages/engine/audio/manifest.json.ts
+23
-35
src/pages/index.astro
+23
-35
src/pages/index.astro
···
3
3
---
4
4
5
5
<Page title="Diffuse Applets Usage Example">
6
-
<iframe src="engines/audio/" frameborder="0" height="0" width="0"></iframe>
7
-
<iframe src="interface/audio/" frameborder="0" style="width: 100%"></iframe>
6
+
<iframe src="engine/audio/" frameborder="0" height="0" width="0"></iframe>
7
+
<iframe src="ui/audio/" frameborder="0" style="width: 100%"></iframe>
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8
</Page>
9
9
10
10
<style>
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11
body {
12
-
background: darkgray;
12
+
background: darkgrey;
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13
}
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</style>
15
15
···
18
18
import { effect, signal } from "spellcaster/spellcaster.js";
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19
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20
////////////////////////////////////////////
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-
// 🗂️ Applet index
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+
// 🗂️ Applets
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////////////////////////////////////////////
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-
const index = {
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-
engines: {
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-
audio: await applet("engines/audio"),
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-
},
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-
interface: {
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-
audio: await applet("interface/audio", { setHeight: true }),
29
-
},
23
+
const engine = {
24
+
audio: await applet("engine/audio"),
25
+
};
26
+
27
+
const ui = {
28
+
audio: await applet("ui/audio", { setHeight: true }),
30
29
};
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30
32
31
////////////////////////////////////////////
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// ⚡ Connect applets
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////////////////////////////////////////////
35
-
index.interface.audio.ondata = (event) => {
36
-
if (event.data.isPlaying) {
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-
index.engines.audio.sendAction("play", null);
38
-
} else {
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-
index.engines.audio.sendAction("pause", null);
40
-
}
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-
};
42
-
43
-
reactive(index.engines.audio, "isPlaying", (isPlaying: boolean) =>
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-
index.interface.audio.sendAction("set_is_playing", isPlaying),
34
+
reactive(ui.audio, (isPlaying: boolean) =>
35
+
engine.audio.sendAction(isPlaying ? "play" : "pause", null),
45
36
);
46
37
47
-
reactive(index.engines.audio, "progress", (progress: number) =>
48
-
index.interface.audio.sendAction("set_progress", progress),
49
-
);
38
+
reactive(engine.audio, (isPlaying: boolean) => ui.audio.sendAction("set_is_playing", isPlaying));
39
+
reactive(engine.audio, (progress: number) => ui.audio.sendAction("set_progress", progress));
50
40
51
41
////////////////////////////////////////////
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42
// 🪟 Applet initialiser
···
56
46
`[src="${src}${src.endsWith("/") ? "" : "/"}"]`,
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47
);
58
48
59
-
if (opts.setHeight) {
60
-
frame.addEventListener(
61
-
"load",
62
-
() => {
63
-
frame.height = frame.contentWindow.document.body.scrollHeight + "px";
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-
},
65
-
{ once: true },
66
-
);
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-
}
49
+
const applet = await applets.connect(frame.contentWindow);
50
+
if (opts.setHeight) applet.onresize = () => (frame.height = `${applet.height}px`);
68
51
69
-
return await applets.connect(frame.contentWindow);
52
+
return applet;
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53
}
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54
72
55
////////////////////////////////////////////
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56
// 🔮 Reactive state management
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57
////////////////////////////////////////////
75
-
function reactive<P extends string, T>(applet: Applet, property: P, effectFn: (t: T) => void) {
58
+
function reactive<P extends string, T>(applet: Applet, effectFn: (t: T) => void) {
59
+
const property = effectFn
60
+
.toString()
61
+
.slice(1)
62
+
.match(/([^(\)|,|\s)]+)/)[1];
63
+
76
64
const [getter, setter] = signal(applet.data[property] as T);
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65
78
66
effect(() => effectFn(getter()));
+1
-1
src/pages/interface/audio/index.astro
src/pages/ui/audio/index.astro
+1
-1
src/pages/interface/audio/index.astro
src/pages/ui/audio/index.astro
+1
-1
src/pages/interface/audio/manifest.json.ts
src/pages/ui/audio/manifest.json.ts
+1
-1
src/pages/interface/audio/manifest.json.ts
src/pages/ui/audio/manifest.json.ts