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Merge pull request #248 from tidalcycles/general-purpose-scheduler

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General purpose scheduler
This commit is contained in:
Felix Roos 2022-11-06 19:03:19 +01:00 • committed by GitHub
commit ef5cd36a37
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60 changed files with 5815 additions and 519 deletions
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@ -12463,7 +12463,40 @@
"license": "AGPL-3.0-or-later", "license": "AGPL-3.0-or-later",
"dependencies": { "dependencies": {
"bjork": "^0.0.1", "bjork": "^0.0.1",
"fraction.js": "^4.2.0" "fraction.js": "^4.2.0",
"react-dom": "^18.2.0"
}
},
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"version": "18.2.0",
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"peer": true,
"dependencies": {
"loose-envify": "^1.1.0"
},
"engines": {
"node": ">=0.10.0"
}
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"dependencies": {
"loose-envify": "^1.1.0",
"scheduler": "^0.23.0"
},
"peerDependencies": {
"react": "^18.2.0"
}
},
"packages/core/node_modules/scheduler": {
"version": "0.23.0",
"resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.0.tgz",
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"dependencies": {
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}, },
"packages/embed": { "packages/embed": {
@ -14584,7 +14617,36 @@
"version": "file:packages/core", "version": "file:packages/core",
"requires": { "requires": {
"bjork": "^0.0.1", "bjork": "^0.0.1",
"fraction.js": "^4.2.0" "fraction.js": "^4.2.0",
"react-dom": "*"
},
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"react": {
"version": "18.2.0",
"resolved": "https://registry.npmjs.org/react/-/react-18.2.0.tgz",
"integrity": "sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==",
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"requires": {
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"version": "18.2.0",
"resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.2.0.tgz",
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"requires": {
"loose-envify": "^1.1.0",
"scheduler": "^0.23.0"
}
},
"scheduler": {
"version": "0.23.0",
"resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.0.tgz",
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"requires": {
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}
}
} }
}, },
"@strudel.cycles/embed": { "@strudel.cycles/embed": {

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/*
cyclist.mjs - <short description TODO>
Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/packages/core/cyclist.mjs>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import createClock from './zyklus.mjs';
export class Cyclist {
worker;
pattern;
started = false;
cps = 1; // TODO
getTime;
phase = 0;
constructor({ interval, onTrigger, onError, getTime, latency = 0.1 }) {
this.getTime = getTime;
const round = (x) => Math.round(x * 1000) / 1000;
this.clock = createClock(
getTime,
(phase, duration, tick) => {
if (tick === 0) {
this.origin = phase;
}
const begin = round(phase - this.origin);
this.phase = begin - latency;
const end = round(begin + duration);
const time = getTime();
try {
const haps = this.pattern.queryArc(begin, end); // get Haps
// console.log('haps', haps.map((hap) => hap.value.n).join(' '));
haps.forEach((hap) => {
// console.log('hap', hap.value.n, hap.part.begin);
if (hap.part.begin.equals(hap.whole.begin)) {
const deadline = hap.whole.begin + this.origin - time + latency;
const duration = hap.duration * 1;
onTrigger?.(hap, deadline, duration);
}
});
} catch (e) {
console.warn('scheduler error', e);
onError?.(e);
}
}, // called slightly before each cycle
interval, // duration of each cycle
);
}
getPhase() {
return this.phase;
}
start() {
if (!this.pattern) {
throw new Error('Scheduler: no pattern set! call .setPattern first.');
}
this.clock.start();
this.started = true;
}
pause() {
this.clock.stop();
delete this.origin;
this.started = false;
}
stop() {
delete this.origin;
this.clock.stop();
this.started = false;
}
setPattern(pat, autostart = false) {
this.pattern = pat;
if (autostart && !this.started) {
this.start();
}
}
setCps(cps = 1) {
this.cps = cps;
}
log(begin, end, haps) {
const onsets = haps.filter((h) => h.hasOnset());
console.log(`${begin.toFixed(4)} - ${end.toFixed(4)} ${Array(onsets.length).fill('I').join('')}`);
}
}

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/*
evaluate.mjs - <short description TODO>
Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/packages/eval/evaluate.mjs>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import * as strudel from '@strudel.cycles/core';
const { isPattern, Pattern } = strudel;
let scoped = false;
export const evalScope = async (...args) => {
if (scoped) {
console.warn('evalScope was called more than once.');
}
scoped = true;
const results = await Promise.allSettled(args);
const modules = results.filter((result) => result.status === 'fulfilled').map((r) => r.value);
results.forEach((result, i) => {
if (result.status === 'rejected') {
console.warn(`evalScope: module with index ${i} could not be loaded:`, result.reason);
}
});
Object.assign(globalThis, ...modules, Pattern.prototype.bootstrap());
};
function safeEval(str) {
return Function('"use strict";return (' + str + ')')();
}
export const evaluate = async (code, transpiler) => {
if (!scoped) {
await evalScope(); // at least scope Pattern.prototype.boostrap
}
if (transpiler) {
code = transpiler(code); // transform syntactically correct js code to semantically usable code
}
let evaluated = await safeEval(code);
if (!isPattern(evaluated)) {
console.log('evaluated', evaluated);
const message = `got "${typeof evaluated}" instead of pattern`;
throw new Error(message + (typeof evaluated === 'function' ? ', did you forget to call a function?' : '.'));
}
return { mode: 'javascript', pattern: evaluated };
};

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<div style="position: absolute; bottom: 0; right: 0; padding: 4px; width: 100vw; display: flex">
<button id="start" style="font-size: 2em">start</button>
<button id="stop" style="font-size: 2em">stop</button>
<button id="slower" style="font-size: 2em">slower</button>
<button id="faster" style="font-size: 2em">faster</button>
</div>
<textarea
style="font-size: 2em; background: #052b49; color: #fff; height: 100%; width: 100%; outline: none; border: 0"
id="text"
spellcheck="false"
>
Loading...</textarea
>
<script type="module">
document.body.style = 'margin: 0';
import * as strudel from '@strudel.cycles/core';
const { cat, State, TimeSpan, Scheduler, getPlayableNoteValue, getFreq } = strudel;
Object.assign(window, strudel); // add strudel to eval scope
const ctx = new AudioContext();
const scheduler = new Scheduler({
// audioContext: getAudioContext(),
interval: 0.1,
onTrigger: (hap, time, duration) => {
const freq = getFrequency(hap);
const osc = ctx.createOscillator();
const gain = 0.2;
osc.frequency.value = freq;
osc.type = 'triangle';
const onset = ctx.currentTime + time;
const offset = onset + duration;
const attack = 0.05;
const release = 0.05;
osc.start(onset);
osc.stop(offset + release);
const g = ctx.createGain();
g.gain.setValueAtTime(gain, onset);
g.gain.linearRampToValueAtTime(gain, onset + attack);
g.gain.setValueAtTime(gain, offset - release);
g.gain.linearRampToValueAtTime(0, offset);
osc.connect(g);
g.connect(ctx.destination);
},
});
let initialCode = `stack('c4','e4',cat('g4','a4','b4','a4'))
.add(cat(0,1,2,3,4,3,2,1).slow(8))
.fast(2)
.cps(tri.range(1,8).slow(32))`;
try {
const base64 = decodeURIComponent(window.location.href.split('#')[1]);
initialCode = atob(base64);
} catch (err) {
console.warn('failed to decode', err);
}
const input = document.getElementById('text');
input.value = initialCode;
const evaluate = () => {
try {
const pattern = eval(input.value);
scheduler.setPattern(pattern);
window.location.hash = '#' + encodeURIComponent(btoa(input.value)); // update url hash
} catch (err) {
console.warn(err);
}
};
evaluate();
input.addEventListener('input', () => evaluate());
document.getElementById('start').addEventListener('click', async () => {
await ctx.resume();
scheduler.start();
});
document.getElementById('stop').addEventListener('click', () => scheduler.stop());
document.getElementById('slower').addEventListener('click', () => scheduler.setCps(scheduler.cps - 0.1));
document.getElementById('faster').addEventListener('click', () => scheduler.setCps(scheduler.cps + 0.1));
</script>
<!--
sequence(1,2).mul(55/2) // frequencies
.mul(slowcat(1,2))
.mul(slowcat(1,3/2,4/3,5/3).slow(8))
.fast(3)
.freq()
.velocity(.5)
.s('sawtooth')
.cutoff(800)
.out()
-->

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!dist

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# vite-vanilla-repl
This folder demonstrates how to set up a strudel repl using vite and vanilla JS. Run it using:
```sh
npm i
npm run dev
```
or view it [live on githack](https://rawcdn.githack.com/tidalcycles/strudel/5fb36acb046ead7cd6ad3cd10f532e7f585f536a/packages/core/examples/vite-vanilla-repl/dist/index.html)

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import{g as s,b as d,e as t,j as u,l as o,f as r,p as f,i as p,d as g,h as i,w as l,a as m}from"./index.f88145a1.js";export{s as getAudioContext,d as getCachedBuffer,t as getLoadedBuffer,u as getLoadedSamples,o as loadBuffer,r as loadGithubSamples,f as panic,p as resetLoadedSamples,g as reverseBuffer,i as samples,l as webaudioOutput,m as webaudioOutputTrigger};

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite Vanilla Strudel REPL</title>
<script type="module" crossorigin src="/tidalcycles/strudel/general-purpose-scheduler/packages/core/examples/vite-vanilla-repl/dist/assets/index.f88145a1.js"></script>
</head>
<body style="margin: 0; background: #222">
<div style="display: grid; height: 100vh">
<textarea
id="text"
style="font-size: 2em; border: 0; color: white; background: transparent; outline: none; padding: 20px"
spellcheck="false"
></textarea>
</div>
<button
id="start"
style="
position: absolute;
border-radius: 10px;
top: 20px;
right: 20px;
padding: 20px;
border: 2px solid white;
background: transparent;
color: white;
cursor: pointer;
"
>
evaluate
</button>
<div id="output"></div>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite Vanilla Strudel REPL</title>
</head>
<body style="margin: 0; background: #222">
<div style="display: grid; height: 100vh">
<textarea
id="text"
style="font-size: 2em; border: 0; color: white; background: transparent; outline: none; padding: 20px"
spellcheck="false"
></textarea>
</div>
<button
id="start"
style="
position: absolute;
border-radius: 10px;
top: 20px;
right: 20px;
padding: 20px;
border: 2px solid white;
background: transparent;
color: white;
cursor: pointer;
"
>
evaluate
</button>
<div id="output"></div>
<script type="module" src="./main.js"></script>
</body>
</html>

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import { controls, repl, evalScope } from '@strudel.cycles/core';
import { getAudioContext, webaudioOutput } from '@strudel.cycles/webaudio';
import shapeshifter from '@strudel.cycles/eval/shapeshifter.mjs';
import tune from './tune.mjs';
const ctx = getAudioContext();
const input = document.getElementById('text');
input.innerHTML = tune;
evalScope(
controls,
import('@strudel.cycles/core'),
import('@strudel.cycles/mini'),
import('@strudel.cycles/webaudio'),
import('@strudel.cycles/tonal'),
);
const { evaluate } = repl({
defaultOutput: webaudioOutput,
getTime: () => ctx.currentTime,
transpiler: shapeshifter,
});
document.getElementById('start').addEventListener('click', () => {
ctx.resume();
evaluate(input.value);
});

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14
packages/core/examples/vite-vanilla-repl/package.json Normal file
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@ -0,0 +1,14 @@
{
"name": "vite-vanilla-repl",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build --base /tidalcycles/strudel/general-purpose-scheduler/packages/core/examples/vite-vanilla-repl/dist/",
"preview": "vite preview"
},
"devDependencies": {
"vite": "^3.2.0"
}
}

31
packages/core/examples/vite-vanilla-repl/tune.mjs Normal file
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@ -0,0 +1,31 @@
export default `await samples('github:tidalcycles/Dirt-Samples/master')
stack(
// amen
n("0 1 2 3 4 5 6 7")
.sometimes(x=>x.ply(2))
.rarely(x=>x.speed("2 | -2"))
.sometimesBy(.4, x=>x.delay(".5"))
.s("amencutup")
.slow(2)
.room(.5)
,
// bass
sine.add(saw.slow(4)).range(0,7).segment(8)
.superimpose(x=>x.add(.1))
.scale('G0 minor').note()
.s("sawtooth").decay(.1).sustain(0)
.gain(.4).cutoff(perlin.range(300,3000).slow(8)).resonance(10)
.degradeBy("0 0.1 .5 .1")
.rarely(add(note("12")))
,
// chord
note("Bb3,D4".superimpose(x=>x.add(.2)))
.s('sawtooth').cutoff(1000).struct("<~@3 [~ x]>")
.decay(.05).sustain(.0).delay(.8).delaytime(.125).room(.8)
,
// alien
s("breath").room(1).shape(.6).chop(16).rev().mask("<x ~@7>")
,
n("0 1").s("east").delay(.5).degradeBy(.8).speed(rand.range(.5,1.5))
).reset("<x@7 x(5,8)>")`;

2
packages/core/index.mjs
View file

@ -15,6 +15,8 @@ export * from './state.mjs';
export * from './timespan.mjs'; export * from './timespan.mjs';
export * from './util.mjs'; export * from './util.mjs';
export * from './speak.mjs'; export * from './speak.mjs';
export * from './evaluate.mjs';
export * from './repl.mjs';
export { default as drawLine } from './drawLine.mjs'; export { default as drawLine } from './drawLine.mjs';
export { default as gist } from './gist.js'; export { default as gist } from './gist.js';
// below won't work with runtime.mjs (json import fails) // below won't work with runtime.mjs (json import fails)

23
packages/core/repl.mjs Normal file
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@ -0,0 +1,23 @@
import { Cyclist } from './cyclist.mjs';
import { evaluate as _evaluate } from './evaluate.mjs';
export function repl({ interval, defaultOutput, onSchedulerError, onEvalError, onEval, getTime, transpiler }) {
const scheduler = new Cyclist({ interval, onTrigger: defaultOutput, onError: onSchedulerError, getTime });
const evaluate = async (code) => {
if (!code) {
throw new Error('no code to evaluate');
}
try {
const { pattern } = await _evaluate(code, transpiler);
scheduler.setPattern(pattern, true);
onEval?.({
pattern,
code,
});
} catch (err) {
console.warn(`eval error: ${err.message}`);
onEvalError?.(err);
}
};
return { scheduler, evaluate };
}

7
packages/core/util.mjs
View file

@ -73,8 +73,11 @@ export const getPlayableNoteValue = (hap) => {
export const getFrequency = (hap) => { export const getFrequency = (hap) => {
let { value, context } = hap; let { value, context } = hap;
// if value is number => interpret as midi number as long as its not marked as frequency // if value is number => interpret as midi number as long as its not marked as frequency
if (typeof value === 'object' && value.freq) { if (typeof value === 'object') {
return value.freq; if (value.freq) {
return value.freq;
}
return getFreq(value.note || value.n || value.value);
} }
if (typeof value === 'number' && context.type !== 'frequency') { if (typeof value === 'number' && context.type !== 'frequency') {
value = fromMidi(hap.value); value = fromMidi(hap.value);

48
packages/core/zyklus.mjs Normal file
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@ -0,0 +1,48 @@
// will move to https://github.com/felixroos/zyklus
// TODO: started flag
function createClock(
getTime,
callback, // called slightly before each cycle
duration = 0.05, // duration of each cycle
interval = 0.1, // interval between callbacks
overlap = 0.1, // overlap between callbacks
) {
let tick = 0; // counts callbacks
let phase = 0; // next callback time
let precision = 10 ** 4; // used to round phase
let minLatency = 0.01;
const setDuration = (setter) => (duration = setter(duration));
overlap = overlap || interval / 2;
const onTick = () => {
const t = getTime();
const lookahead = t + interval + overlap; // the time window for this tick
if (phase === 0) {
phase = t + minLatency;
}
// callback as long as we're inside the lookahead
while (phase < lookahead) {
phase = Math.round(phase * precision) / precision;
phase >= t && callback(phase, duration, tick);
phase < t && console.log('TOO LATE', phase); // what if latency is added from outside?
phase += duration; // increment phase by duration
tick++;
}
};
let intervalID;
const start = () => {
onTick();
intervalID = setInterval(onTick, interval * 1000);
};
const clear = () => clearInterval(intervalID);
const pause = () => clear();
const stop = () => {
tick = 0;
phase = 0;
clear();
};
const getPhase = () => phase;
// setCallback
return { setDuration, start, stop, pause, duration, getPhase };
}
export default createClock;

5
packages/eval/README.md
View file

@ -11,10 +11,9 @@ npm i @strudel.cycles/eval --save
## Example ## Example
<!-- TODO: -extend +evalScope -->
```js ```js
import { evaluate, extend } from '@strudel.cycles/eval'; import { evalScope } from '@strudel.cycles/core';
import { evaluate } from '@strudel.cycles/eval';
evalScope( evalScope(
import('@strudel.cycles/core'), import('@strudel.cycles/core'),

41
packages/eval/evaluate.mjs
View file

@ -4,46 +4,9 @@ Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/st
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
import { evaluate as _evaluate } from '@strudel.cycles/core';
import shapeshifter from './shapeshifter.mjs'; import shapeshifter from './shapeshifter.mjs';
import * as strudel from '@strudel.cycles/core';
const { isPattern, Pattern } = strudel;
export const extend = (...args) => {
console.warn('@strudel.cycles/eval extend is deprecated, please use evalScope instead');
Object.assign(globalThis, ...args);
};
let scoped = false;
export const evalScope = async (...args) => {
if (scoped) {
console.warn('@strudel.cycles/eval evalScope was called more than once.');
}
scoped = true;
const results = await Promise.allSettled(args);
const modules = results.filter((result) => result.status === 'fulfilled').map((r) => r.value);
results.forEach((result, i) => {
if (result.status === 'rejected') {
console.warn(`evalScope: module with index ${i} could not be loaded:`, result.reason);
}
});
Object.assign(globalThis, ...modules, Pattern.prototype.bootstrap());
};
function safeEval(str) {
return Function('"use strict";return (' + str + ')')();
}
export const evaluate = async (code) => { export const evaluate = async (code) => {
if (!scoped) { return _evaluate(code, shapeshifter);
await evalScope(); // at least scope Pattern.prototype.boostrap
}
const shapeshifted = shapeshifter(code); // transform syntactically correct js code to semantically usable code
let evaluated = await safeEval(shapeshifted);
if (!isPattern(evaluated)) {
console.log('evaluated', evaluated);
const message = `got "${typeof evaluated}" instead of pattern`;
throw new Error(message + (typeof evaluated === 'function' ? ', did you forget to call a function?' : '.'));
}
return { mode: 'javascript', pattern: evaluated };
}; };

4
packages/eval/test/evaluate.test.mjs
View file

@ -6,10 +6,10 @@ This program is free software: you can redistribute it and/or modify it under th
import { expect, describe, it } from 'vitest'; import { expect, describe, it } from 'vitest';
import { evaluate, evalScope } from '../evaluate.mjs'; import { evaluate } from '../evaluate.mjs';
import { mini } from '@strudel.cycles/mini'; import { mini } from '@strudel.cycles/mini';
import * as strudel from '@strudel.cycles/core'; import * as strudel from '@strudel.cycles/core';
const { fastcat } = strudel; const { fastcat, evalScope } = strudel;
describe('evaluate', async () => { describe('evaluate', async () => {
await evalScope({ mini }, strudel); await evalScope({ mini }, strudel);

3
packages/react/README.md
View file

@ -13,9 +13,8 @@ npm i @strudel.cycles/react
Here is a minimal example of how to set up a MiniRepl: Here is a minimal example of how to set up a MiniRepl:
```jsx ```jsx
import { evalScope } from '@strudel.cycles/eval'; import { evalScope, controls } from '@strudel.cycles/core';
import { MiniRepl } from '@strudel.cycles/react'; import { MiniRepl } from '@strudel.cycles/react';
import controls from '@strudel.cycles/core/controls.mjs';
import { prebake } from '../repl/src/prebake.mjs'; import { prebake } from '../repl/src/prebake.mjs';
evalScope( evalScope(

4
packages/react/dist/index.cjs.js vendored
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File diff suppressed because one or more lines are too long

593
packages/react/dist/index.es.js vendored
View file

@ -1,17 +1,17 @@
import d, { useCallback as C, useState as b, useEffect as S, useMemo as L, useRef as X, useLayoutEffect as Y } from "react"; import y, { useCallback as T, useState as w, useEffect as q, useMemo as R, useRef as I, useLayoutEffect as j } from "react";
import Z from "@uiw/react-codemirror"; import Y from "@uiw/react-codemirror";
import { Decoration as x, EditorView as j } from "@codemirror/view"; import { Decoration as A, EditorView as K } from "@codemirror/view";
import { StateEffect as K, StateField as Q } from "@codemirror/state"; import { StateEffect as U, StateField as Q } from "@codemirror/state";
import { javascript as ee } from "@codemirror/lang-javascript"; import { javascript as Z } from "@codemirror/lang-javascript";
import { tags as i } from "@lezer/highlight"; import { tags as m } from "@lezer/highlight";
import { createTheme as te } from "@uiw/codemirror-themes"; import { createTheme as ee } from "@uiw/codemirror-themes";
import { useInView as oe } from "react-hook-inview"; import { useInView as te } from "react-hook-inview";
import { evaluate as ne } from "@strudel.cycles/eval"; import { evaluate as G } from "@strudel.cycles/eval";
import { Tone as h } from "@strudel.cycles/tone"; import { Tone as M } from "@strudel.cycles/tone";
import { TimeSpan as re, State as ae } from "@strudel.cycles/core"; import { TimeSpan as oe, State as re } from "@strudel.cycles/core";
import { webaudioOutputTrigger as se } from "@strudel.cycles/webaudio"; import { webaudioOutputTrigger as ne } from "@strudel.cycles/webaudio";
import { WebMidi as k, enableWebMidi as ce } from "@strudel.cycles/midi"; import { WebMidi as N, enableWebMidi as se } from "@strudel.cycles/midi";
const ie = te({ const ae = ee({
theme: "dark", theme: "dark",
settings: { settings: {
background: "#222", background: "#222",
@ -24,344 +24,445 @@ const ie = te({
gutterForeground: "#676e95" gutterForeground: "#676e95"
}, },
styles: [ styles: [
{ tag: i.keyword, color: "#c792ea" }, { tag: m.keyword, color: "#c792ea" },
{ tag: i.operator, color: "#89ddff" }, { tag: m.operator, color: "#89ddff" },
{ tag: i.special(i.variableName), color: "#eeffff" }, { tag: m.special(m.variableName), color: "#eeffff" },
{ tag: i.typeName, color: "#f07178" }, { tag: m.typeName, color: "#f07178" },
{ tag: i.atom, color: "#f78c6c" }, { tag: m.atom, color: "#f78c6c" },
{ tag: i.number, color: "#ff5370" }, { tag: m.number, color: "#ff5370" },
{ tag: i.definition(i.variableName), color: "#82aaff" }, { tag: m.definition(m.variableName), color: "#82aaff" },
{ tag: i.string, color: "#c3e88d" }, { tag: m.string, color: "#c3e88d" },
{ tag: i.special(i.string), color: "#f07178" }, { tag: m.special(m.string), color: "#f07178" },
{ tag: i.comment, color: "#7d8799" }, { tag: m.comment, color: "#7d8799" },
{ tag: i.variableName, color: "#f07178" }, { tag: m.variableName, color: "#f07178" },
{ tag: i.tagName, color: "#ff5370" }, { tag: m.tagName, color: "#ff5370" },
{ tag: i.bracket, color: "#a2a1a4" }, { tag: m.bracket, color: "#a2a1a4" },
{ tag: i.meta, color: "#ffcb6b" }, { tag: m.meta, color: "#ffcb6b" },
{ tag: i.attributeName, color: "#c792ea" }, { tag: m.attributeName, color: "#c792ea" },
{ tag: i.propertyName, color: "#c792ea" }, { tag: m.propertyName, color: "#c792ea" },
{ tag: i.className, color: "#decb6b" }, { tag: m.className, color: "#decb6b" },
{ tag: i.invalid, color: "#ffffff" } { tag: m.invalid, color: "#ffffff" }
] ]
}); });
const P = K.define(), le = Q.define({ const z = U.define(), ce = Q.define({
create() { create() {
return x.none; return A.none;
}, },
update(e, n) { update(e, o) {
try { try {
for (let r of n.effects) for (let r of o.effects)
if (r.is(P)) if (r.is(z))
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}
try {
const { pattern: h } = await G(n);
f(n), g?.setPattern(h), d(h), l();
} catch (h) {
l(h), console.warn("eval error", h);
}
}, [n, g]), v = I();
return q(() => {
!v.current && s && (v.current = !0, C());
}, [C, s]), { schedulerError: i, scheduler: g, evalError: t, evaluate: C, activeCode: c, isDirty: k, pattern: p };
}
const $e = (e) => j(() => (window.addEventListener("keydown", e, !0), () => window.removeEventListener("keydown", e, !0)), [e]);
function We(e) {
const { ready: o, connected: r, disconnected: n } = e, [s, i] = w(!0), [a, t] = w(N?.outputs || []);
return q(() => {
se().then(() => {
N.addListener("connected", (c) => {
t([...N.outputs]), r?.(N, c);
}), N.addListener("disconnected", (c) => {
t([...N.outputs]), n?.(N, c);
}), o?.(N), i(!1);
}).catch((c) => {
if (c) {
console.error(c), console.warn("Web Midi could not be enabled..");
return; return;
} }
}); });
}, [n, r, c, m]), { loading: l, outputs: m, outputByName: (o) => k.getOutputByName(o) }; }, [o, r, n, a]), { loading: s, outputs: a, outputByName: (c) => N.getOutputByName(c) };
} }
export { export {
me as CodeMirror, de as CodeMirror,
Ve as MiniRepl, Be as MiniRepl,
W as cx, $ as cx,
de as flash, ie as flash,
ge as useCycle, fe as useCycle,
we as useHighlighting, ye as useHighlighting,
pe as usePostMessage, $e as useKeydown,
ye as useRepl, ge as usePostMessage,
Ie as useWebMidi pe as useRepl,
Ve as useStrudel,
We as useWebMidi
}; };

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
!dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?

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.cm-editor{background-color:transparent!important;height:100%;z-index:11;font-size:16px}.cm-theme-light{width:100%}.cm-line>*{background:#00000095}*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji"}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input:-ms-input-placeholder,textarea:-ms-input-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]{display:none}*,:before,:after{--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }.fixed{position:fixed}.absolute{position:absolute}.bottom-0{bottom:0px}.z-\[12\]{z-index:12}.flex{display:flex}.w-full{width:100%}.justify-center{justify-content:center}.space-x-2>:not([hidden])~:not([hidden]){--tw-space-x-reverse: 0;margin-right:calc(.5rem * var(--tw-space-x-reverse));margin-left:calc(.5rem * calc(1 - var(--tw-space-x-reverse)))}.rounded-t-md{border-top-left-radius:.375rem;border-top-right-radius:.375rem}.bg-slate-500{--tw-bg-opacity: 1;background-color:rgb(100 116 139 / var(--tw-bg-opacity))}.px-2{padding-left:.5rem;padding-right:.5rem}body{background:#123}

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import{f as s,i as t,h as o,j as d,q as f,l as p,k as u,p as i,o as l,n as r,w as g}from"./index.ec9f9930.js";export{s as getAudioContext,t as getCachedBuffer,o as getDestination,d as getLoadedBuffer,f as getLoadedSamples,p as loadBuffer,u as loadGithubSamples,i as panic,l as resetLoadedSamples,r as samples,g as webaudioOutput};

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import{P as w}from"./index.ec9f9930.js";var i,f=!1;async function b(a=38400){if(!f){if(f=!0,i)return i;if("serial"in navigator){const r=await navigator.serial.requestPort();await r.open({baudRate:a});const o=new TextEncoderStream;o.readable.pipeTo(r.writable);const s=o.writable.getWriter();i=function(e){s.write(e)}}else throw"Webserial is not available in this browser."}}const g=.1;w.prototype.serial=function(...a){return this._withHap(r=>{i||b(...a);const o=(s,e,u)=>{var t="";if(typeof e.value=="object")if("action"in e.value){t+=e.value.action+"(";var c=!0;for(const[n,l]of Object.entries(e.value))n!=="action"&&(c?c=!1:t+=",",t+=`${n}:${l}`);t+=")"}else for(const[n,l]of Object.entries(e.value))t+=`${n}:${l};`;else t=e.value;const v=(s-u+g)*1e3;window.setTimeout(i,v,t)};return r.setContext({...r.context,onTrigger:o})})};export{b as getWriter};

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Strudel Nano REPL</title>
<script type="module" crossorigin src="./assets/index.ec9f9930.js"></script>
<link rel="stylesheet" href="./assets/index.75f8960b.css">
</head>
<body>
<div id="root"></div>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Strudel Nano REPL</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>

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{
"name": "nano-repl",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview"
},
"dependencies": {
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
"devDependencies": {
"@types/react": "^18.0.17",
"@types/react-dom": "^18.0.6",
"@vitejs/plugin-react": "^2.0.1",
"autoprefixer": "^10.4.8",
"postcss": "^8.4.16",
"tailwindcss": "^3.1.8",
"vite": "^3.0.7"
}
}

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import { evalScope, controls } from '@strudel.cycles/core';
import { getAudioContext, panic, webaudioOutput } from '@strudel.cycles/webaudio';
import { useCallback, useState } from 'react';
import CodeMirror, { flash } from '../../../src/components/CodeMirror6';
import useKeydown from '../../../src/hooks/useKeydown.mjs';
import useStrudel from '../../../src/hooks/useStrudel';
import useHighlighting from '../../../src/hooks/useHighlighting';
import './style.css';
// import { prebake } from '../../../../../repl/src/prebake.mjs';
// TODO: only import stuff when play is pressed?
evalScope(
controls,
import('@strudel.cycles/core'),
// import('@strudel.cycles/tone'),
// import('@strudel.cycles/midi'), // TODO: find out why midi loads tone.js
import('@strudel.cycles/tonal'),
import('@strudel.cycles/mini'),
import('@strudel.cycles/xen'),
import('@strudel.cycles/webaudio'),
import('@strudel.cycles/osc'),
import('@strudel.cycles/webdirt'),
import('@strudel.cycles/serial'),
import('@strudel.cycles/soundfonts'),
);
const defaultTune = `samples({
bd: ['bd/BT0AADA.wav','bd/BT0AAD0.wav','bd/BT0A0DA.wav','bd/BT0A0D3.wav','bd/BT0A0D0.wav','bd/BT0A0A7.wav'],
sd: ['sd/rytm-01-classic.wav','sd/rytm-00-hard.wav'],
hh: ['hh27/000_hh27closedhh.wav','hh/000_hh3closedhh.wav'],
}, 'github:tidalcycles/Dirt-Samples/master/');
stack(
s("bd,[~ <sd!3 sd(3,4,2)>],hh(3,4)") // drums
.speed(perlin.range(.7,.9)) // random sample speed variation
//.hush()
,"<a1 b1*2 a1(3,8) e2>" // bassline
.off(1/8,x=>x.add(12).degradeBy(.5)) // random octave jumps
.add(perlin.range(0,.5)) // random pitch variation
.superimpose(add(.05)) // add second, slightly detuned voice
.n() // wrap in "n"
.decay(.15).sustain(0) // make each note of equal length
.s('sawtooth') // waveform
.gain(.4) // turn down
.cutoff(sine.slow(7).range(300,5000)) // automate cutoff
//.hush()
,"<Am7!3 <Em7 E7b13 Em7 Ebm7b5>>".voicings() // chords
.superimpose(x=>x.add(.04)) // add second, slightly detuned voice
.add(perlin.range(0,.5)) // random pitch variation
.n() // wrap in "n"
.s('square') // waveform
.gain(.16) // turn down
.cutoff(500) // fixed cutoff
.attack(1) // slowly fade in
//.hush()
,"a4 c5 <e6 a6>".struct("x(5,8)")
.superimpose(x=>x.add(.04)) // add second, slightly detuned voice
.add(perlin.range(0,.5)) // random pitch variation
.n() // wrap in "n"
.decay(.1).sustain(0) // make notes short
.s('triangle') // waveform
.degradeBy(perlin.range(0,.5)) // randomly controlled random removal :)
.echoWith(4,.125,(x,n)=>x.gain(.15*1/(n+1))) // echo notes
//.hush()
)
.fast(2/3)`;
// await prebake();
const ctx = getAudioContext();
const getTime = () => ctx.currentTime;
function App() {
const [code, setCode] = useState(defaultTune);
const [view, setView] = useState();
// const [code, setCode] = useState(`"c3".note().slow(2)`);
const { scheduler, evaluate, schedulerError, evalError, isDirty, activeCode, pattern } = useStrudel({
code,
defaultOutput: webaudioOutput,
getTime,
});
useHighlighting({
view,
pattern,
active: !activeCode?.includes('strudel disable-highlighting'),
getTime: () => scheduler.phase,
});
const error = evalError || schedulerError;
useKeydown(
useCallback(
async (e) => {
if (e.ctrlKey || e.altKey) {
if (e.code === 'Enter') {
e.preventDefault();
flash(view);
await evaluate(code);
if (e.shiftKey) {
panic();
scheduler.stop();
scheduler.start();
}
if (!scheduler.started) {
scheduler.start();
}
} else if (e.code === 'Period') {
scheduler.pause();
panic();
e.preventDefault();
}
}
},
[scheduler, evaluate, view],
),
);
return (
<div>
{/* <textarea value={code} onChange={(e) => setCode(e.target.value)} cols="64" rows="30" /> */}
<nav className="z-[12] w-full flex justify-center absolute bottom-0">
<div className="bg-slate-500 space-x-2 px-2 rounded-t-md">
<button
onClick={async () => {
await evaluate(code);
await getAudioContext().resume();
scheduler.start();
}}
>
start
</button>
<button onClick={() => scheduler.stop()}>stop</button>
{isDirty && <button onClick={() => evaluate(code)}>eval</button>}
</div>
{error && <p>error {error.message}</p>}
</nav>
<CodeMirror value={code} onChange={setCode} onViewChanged={setView} />
</div>
);
}
export default App;

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import React from 'react';
import ReactDOM from 'react-dom/client';
import App from './App';
ReactDOM.createRoot(document.getElementById('root')).render(
<React.StrictMode>
<App />
</React.StrictMode>,
);

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@ -0,0 +1,7 @@
@tailwind base;
@tailwind components;
@tailwind utilities;
body {
background: #123;
}

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/*
tailwind.config.js - <short description TODO>
Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/tailwind.config.js>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
module.exports = {
// TODO: find out if leaving out tutorial path works now
content: ['./src/**/*.{js,jsx,ts,tsx}'],
theme: {
extend: {},
},
plugins: [],
};

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@ -0,0 +1,7 @@
import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
// https://vitejs.dev/config/
export default defineConfig({
plugins: [react()]
})

3
packages/react/src/App.jsx
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@ -1,8 +1,7 @@
import React from 'react'; import React from 'react';
import { MiniRepl } from './components/MiniRepl'; import { MiniRepl } from './components/MiniRepl';
import 'tailwindcss/tailwind.css'; import 'tailwindcss/tailwind.css';
import { evalScope } from '@strudel.cycles/eval'; import { controls, evalScope } from '@strudel.cycles/core';
import { controls } from '@strudel.cycles/core';
evalScope( evalScope(
controls, controls,

8
packages/react/src/components/MiniRepl.jsx
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@ -8,6 +8,7 @@ import 'tailwindcss/tailwind.css';
import './style.css'; import './style.css';
import styles from './MiniRepl.module.css'; import styles from './MiniRepl.module.css';
import { Icon } from './Icon'; import { Icon } from './Icon';
import { Tone } from '@strudel.cycles/tone';
export function MiniRepl({ tune, hideOutsideView = false, init, onEvent, enableKeyboard }) { export function MiniRepl({ tune, hideOutsideView = false, init, onEvent, enableKeyboard }) {
const { code, setCode, pattern, activeCode, activateCode, evaluateOnly, error, cycle, dirty, togglePlay, stop } = const { code, setCode, pattern, activeCode, activateCode, evaluateOnly, error, cycle, dirty, togglePlay, stop } =
@ -30,7 +31,12 @@ export function MiniRepl({ tune, hideOutsideView = false, init, onEvent, enableK
} }
return isVisible || wasVisible.current; return isVisible || wasVisible.current;
}, [isVisible, hideOutsideView]); }, [isVisible, hideOutsideView]);
useHighlighting({ view, pattern, active: cycle.started && !activeCode?.includes('strudel disable-highlighting') }); useHighlighting({
view,
pattern,
active: cycle.started && !activeCode?.includes('strudel disable-highlighting'),
getTime: () => Tone.getTransport().seconds,
});
// set active pattern on ctrl+enter // set active pattern on ctrl+enter
useLayoutEffect(() => { useLayoutEffect(() => {

24
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@ -1,11 +1,9 @@
import { useEffect } from 'react'; import { useEffect, useRef } from 'react';
import { setHighlights } from '../components/CodeMirror6'; import { setHighlights } from '../components/CodeMirror6';
import { Tone } from '@strudel.cycles/tone';
let highlights = []; // actively highlighted events function useHighlighting({ view, pattern, active, getTime }) {
let lastEnd; const highlights = useRef([]);
const lastEnd = useRef();
function useHighlighting({ view, pattern, active }) {
useEffect(() => { useEffect(() => {
if (view) { if (view) {
if (pattern && active) { if (pattern && active) {
@ -13,16 +11,16 @@ function useHighlighting({ view, pattern, active }) {
function updateHighlights() { function updateHighlights() {
try { try {
const audioTime = Tone.getTransport().seconds; const audioTime = getTime();
// force min framerate of 10 fps => fixes crash on tab refocus, where lastEnd could be far away // force min framerate of 10 fps => fixes crash on tab refocus, where lastEnd could be far away
// see https://github.com/tidalcycles/strudel/issues/108 // see https://github.com/tidalcycles/strudel/issues/108
const begin = Math.max(lastEnd || audioTime, audioTime - 1 / 10); const begin = Math.max(lastEnd.current || audioTime, audioTime - 1 / 10);
const span = [begin, audioTime + 1 / 60]; const span = [begin, audioTime + 1 / 60];
lastEnd = audioTime + 1 / 60; lastEnd.current = audioTime + 1 / 60;
highlights = highlights.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active highlights.current = highlights.current.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active
const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset()); const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset());
highlights = highlights.concat(haps); // add potential new onsets highlights.current = highlights.current.concat(haps); // add potential new onsets
view.dispatch({ effects: setHighlights.of(highlights) }); // highlight all still active + new active haps view.dispatch({ effects: setHighlights.of(highlights.current) }); // highlight all still active + new active haps
} catch (err) { } catch (err) {
// console.log('error in updateHighlights', err); // console.log('error in updateHighlights', err);
view.dispatch({ effects: setHighlights.of([]) }); view.dispatch({ effects: setHighlights.of([]) });
@ -34,7 +32,7 @@ function useHighlighting({ view, pattern, active }) {
cancelAnimationFrame(frame); cancelAnimationFrame(frame);
}; };
} else { } else {
highlights = []; highlights.current = [];
view.dispatch({ effects: setHighlights.of([]) }); view.dispatch({ effects: setHighlights.of([]) });
} }
} }

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@ -0,0 +1,10 @@
import { useLayoutEffect } from 'react';
// set active pattern on ctrl+enter
const useKeydown = (callback) =>
useLayoutEffect(() => {
window.addEventListener('keydown', callback, true);
return () => window.removeEventListener('keydown', callback, true);
}, [callback]);
export default useKeydown;

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@ -0,0 +1,44 @@
// import { Scheduler } from '@strudel.cycles/core';
import { useRef, useCallback, useEffect, useMemo, useState } from 'react';
import shapeshifter from '@strudel.cycles/eval/shapeshifter.mjs';
import { repl } from '@strudel.cycles/core/repl.mjs';
function useStrudel({ defaultOutput, interval, getTime, code, evalOnMount = false }) {
// scheduler
const [schedulerError, setSchedulerError] = useState();
const [evalError, setEvalError] = useState();
const [activeCode, setActiveCode] = useState(code);
const [pattern, setPattern] = useState();
const isDirty = code !== activeCode;
const { scheduler, evaluate: _evaluate } = useMemo(
() =>
repl({
interval,
defaultOutput,
onSchedulerError: setSchedulerError,
onEvalError: setEvalError,
getTime,
transpiler: shapeshifter,
onEval: ({ pattern: _pattern, code }) => {
setActiveCode(code);
setPattern(_pattern);
setEvalError();
},
onEvalError: setEvalError,
}),
[defaultOutput, interval, getTime],
);
const evaluate = useCallback(() => _evaluate(code), [_evaluate, code]);
const inited = useRef();
useEffect(() => {
if (!inited.current && evalOnMount && code) {
inited.current = true;
evaluate();
}
}, [evaluate, evalOnMount, code]);
return { schedulerError, scheduler, evalError, evaluate, activeCode, isDirty, pattern };
}
export default useStrudel;

2
packages/react/src/index.js
View file

@ -6,5 +6,7 @@ export { default as useCycle } from './hooks/useCycle';
export { default as useHighlighting } from './hooks/useHighlighting'; export { default as useHighlighting } from './hooks/useHighlighting';
export { default as usePostMessage } from './hooks/usePostMessage'; export { default as usePostMessage } from './hooks/usePostMessage';
export { default as useRepl } from './hooks/useRepl'; export { default as useRepl } from './hooks/useRepl';
export { default as useStrudel } from './hooks/useStrudel';
export { default as useKeydown } from './hooks/useKeydown';
export { default as cx } from './cx'; export { default as cx } from './cx';
export { useWebMidi } from './hooks/useWebMidi'; export { useWebMidi } from './hooks/useWebMidi';

71
packages/webaudio/clockworker.mjs
View file

@ -1,71 +0,0 @@
/*
clockworker.mjs - <short description TODO>
Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/packages/webaudio/clockworker.mjs>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
// helpers to create a worker dynamically without needing a server / extra file
const stringifyFunction = (func) => '(' + func + ')();';
const urlifyFunction = (func) => URL.createObjectURL(new Blob([stringifyFunction(func)], { type: 'text/javascript' }));
const createWorker = (func) => new Worker(urlifyFunction(func));
// this is just a setInterval with a counter, running in a worker
export class ClockWorker {
worker;
interval = 0.1; // query span
tick = 0;
constructor(callback, interval = this.interval) {
this.interval = interval;
this.worker = createWorker(() => {
// we cannot use closures here!
let interval;
let timerID = null; // this is clock #1 (the sloppy js clock)
const clear = () => {
if (timerID) {
clearInterval(timerID);
timerID = null;
}
};
const start = () => {
clear();
if (!interval) {
throw new Error('no interval set! call worker.postMessage({interval}) before starting.');
}
postMessage('tick');
timerID = setInterval(() => postMessage('tick'), interval * 1000);
};
self.onmessage = function (e) {
if (e.data == 'start') {
start();
} else if (e.data.interval) {
interval = e.data.interval;
if (timerID) {
start();
}
} else if (e.data == 'stop') {
clear();
}
};
});
this.worker.postMessage({ interval });
// const round = (n, d) => Math.round(n * d) / d;
this.worker.onmessage = (e) => {
if (e.data === 'tick') {
// callback with query span, using clock #2 (the audio clock)
callback(this.tick++, this.interval);
}
};
}
start() {
// console.log('start...');
this.worker.postMessage('start');
}
stop() {
// console.log('stop...');
this.worker.postMessage('stop');
this.tick = 0;
}
setInterval(interval) {
this.worker.postMessage({ interval });
}
}

67
packages/webaudio/examples/repl.html
View file

@ -1,67 +0,0 @@
<div style="position: absolute; top: 0; right: 0; padding: 4px">
<button id="start" style="margin-bottom: 4px; font-size: 2em">start</button><br />
<button id="stop" style="margin-bottom: 4px; font-size: 2em">stop</button><br />
<button id="slower" style="font-size: 2em">-</button>
<button id="faster" style="font-size: 2em">+</button>
</div>
<textarea
style="font-size: 2em; background: #052b49; color: #fff; height: 100%; width: 100%; outline: none; border: 0"
id="text"
spellcheck="false"
>
Loading...</textarea
>
<script type="module">
document.body.style = 'margin: 0';
import * as strudel from '@strudel.cycles/core';
import * as util from '@strudel.cycles/core/util.mjs';
import '@strudel.cycles/core/euclid.mjs';
import { Scheduler, getAudioContext } from '../index.mjs';
const { cat, State, TimeSpan } = strudel;
Object.assign(window, strudel); // add strudel to eval scope
const scheduler = new Scheduler({
audioContext: getAudioContext(),
interval: 0.1,
onEvent: (e) => {
e.context?.createAudioNode?.(e);
},
});
let initialCode = `sequence(1,2).mul(55/2) // frequencies
.mul(slowcat(1,2))
.mul(slowcat(1,3/2,4/3,5/3).slow(8))
.fast(3)
.freq()
.velocity(.5)
.s('sawtooth')
.cutoff(800)
.out()
`;
try {
const base64 = decodeURIComponent(window.location.href.split('#')[1]);
initialCode = atob(base64);
} catch (err) {
console.warn('failed to decode', err);
}
const input = document.getElementById('text');
input.value = initialCode;
const evaluate = () => {
try {
const pattern = eval(input.value);
scheduler.setPattern(pattern);
window.location.hash = '#' + encodeURIComponent(btoa(input.value)); // update url hash
} catch (err) {
console.warn(err);
}
};
evaluate();
input.addEventListener('input', () => evaluate());
document.getElementById('start').addEventListener('click', () => scheduler.start());
document.getElementById('stop').addEventListener('click', () => scheduler.stop());
document.getElementById('slower').addEventListener('click', () => scheduler.setCps(scheduler.cps - 0.1));
document.getElementById('faster').addEventListener('click', () => scheduler.setCps(scheduler.cps + 0.1));
</script>

2
packages/webaudio/index.mjs
View file

@ -4,7 +4,5 @@ Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/st
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
export * from './clockworker.mjs';
export * from './scheduler.mjs';
export * from './webaudio.mjs'; export * from './webaudio.mjs';
export * from './sampler.mjs'; export * from './sampler.mjs';

56
packages/webaudio/scheduler.mjs
View file

@ -1,56 +0,0 @@
/*
scheduler.mjs - <short description TODO>
Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/packages/webaudio/scheduler.mjs>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { ClockWorker } from './clockworker.mjs';
export class Scheduler {
worker;
pattern;
phase;
audioContext;
cps = 1;
constructor({ audioContext, interval = 0.1, onEvent, latency = 0.1 }) {
this.audioContext = audioContext;
this.worker = new ClockWorker((tick, interval) => {
const begin = this.phase;
const end = this.phase + interval * this.cps;
this.phase = end;
const haps = this.pattern.queryArc(begin, end);
haps.forEach((e) => {
if (typeof e.value?.cps === 'number') {
this.setCps(e.value?.cps);
}
if (!e.part.begin.equals(e.whole.begin)) {
return;
}
if (e.context.onTrigger) {
const ctxTime = (e.whole.begin - begin) / this.cps + this.audioContext.currentTime + latency;
e.context.onTrigger(ctxTime, e, this.audioContext.currentTime, this.cps);
}
if (onEvent) {
onEvent?.(e);
}
});
}, interval);
}
start() {
if (!this.pattern) {
throw new Error('Scheduler: no pattern set! call .setPattern first.');
}
this.audioContext.resume();
this.phase = 0;
this.worker.start();
}
stop() {
this.worker.stop();
}
setPattern(pat) {
this.pattern = pat;
}
setCps(cps = 1) {
this.cps = cps;
}
}

1
repl/package.json
View file

@ -2,7 +2,6 @@
"name": "@strudel.cycles/repl", "name": "@strudel.cycles/repl",
"private": true, "private": true,
"version": "0.0.0", "version": "0.0.0",
"type": "module",
"scripts": { "scripts": {
"dev": "vite --host", "dev": "vite --host",
"start": "vite", "start": "vite",

15
repl/src/App.jsx
View file

@ -4,7 +4,7 @@ Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/st
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/ */
import { evalScope, evaluate } from '@strudel.cycles/eval'; import { evaluate } from '@strudel.cycles/eval';
import { CodeMirror, cx, flash, useHighlighting, useRepl, useWebMidi } from '@strudel.cycles/react'; import { CodeMirror, cx, flash, useHighlighting, useRepl, useWebMidi } from '@strudel.cycles/react';
import { cleanupDraw, cleanupUi, Tone } from '@strudel.cycles/tone'; import { cleanupDraw, cleanupUi, Tone } from '@strudel.cycles/tone';
import React, { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react'; import React, { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react';
@ -14,7 +14,7 @@ import * as tunes from './tunes.mjs';
import { prebake } from './prebake.mjs'; import { prebake } from './prebake.mjs';
import * as WebDirt from 'WebDirt'; import * as WebDirt from 'WebDirt';
import { resetLoadedSamples, getAudioContext } from '@strudel.cycles/webaudio'; import { resetLoadedSamples, getAudioContext } from '@strudel.cycles/webaudio';
import { controls } from '@strudel.cycles/core'; import { controls, evalScope } from '@strudel.cycles/core';
import { createClient } from '@supabase/supabase-js'; import { createClient } from '@supabase/supabase-js';
import { nanoid } from 'nanoid'; import { nanoid } from 'nanoid';
@ -135,7 +135,12 @@ function App() {
return () => window.removeEventListener('keydown', handleKeyPress, true); return () => window.removeEventListener('keydown', handleKeyPress, true);
}, [pattern, code, activateCode, cycle, view]); }, [pattern, code, activateCode, cycle, view]);
useHighlighting({ view, pattern, active: cycle.started && !activeCode?.includes('strudel disable-highlighting') }); useHighlighting({
view,
pattern,
active: cycle.started && !activeCode?.includes('strudel disable-highlighting'),
getTime: () => Tone.getTransport().seconds,
});
useWebMidi({ useWebMidi({
ready: useCallback( ready: useCallback(
@ -174,8 +179,8 @@ function App() {
</div> </div>
<div className="flex"> <div className="flex">
<button <button
onClick={() => { onClick={async () => {
getAudioContext().resume(); // fixes no sound in ios webkit await getAudioContext().resume(); // fixes no sound in ios webkit
togglePlay(); togglePlay();
}} }}
className={cx('hover:bg-gray-300', !isEmbedded ? 'p-2' : 'px-2')} className={cx('hover:bg-gray-300', !isEmbedded ? 'p-2' : 'px-2')}

2
repl/src/runtime.mjs
View file

@ -4,7 +4,7 @@
// import * as tunes from './tunes.mjs'; // import * as tunes from './tunes.mjs';
import { evaluate } from '@strudel.cycles/eval'; import { evaluate } from '@strudel.cycles/eval';
import { evalScope } from '@strudel.cycles/eval'; import { evalScope } from '@strudel.cycles/core';
import * as strudel from '@strudel.cycles/core'; import * as strudel from '@strudel.cycles/core';
import * as webaudio from '@strudel.cycles/webaudio'; import * as webaudio from '@strudel.cycles/webaudio';
import controls from '@strudel.cycles/core/controls.mjs'; import controls from '@strudel.cycles/core/controls.mjs';

3
tutorial/MiniRepl.jsx
View file

@ -1,6 +1,5 @@
import { evalScope } from '@strudel.cycles/eval'; import { evalScope, controls } from '@strudel.cycles/core';
import { MiniRepl as _MiniRepl } from '@strudel.cycles/react'; import { MiniRepl as _MiniRepl } from '@strudel.cycles/react';
import controls from '@strudel.cycles/core/controls.mjs';
import { samples } from '@strudel.cycles/webaudio'; import { samples } from '@strudel.cycles/webaudio';
import { prebake } from '../repl/src/prebake.mjs'; import { prebake } from '../repl/src/prebake.mjs';