add small fade out to cut groups

jsdoc.config.json

@@ -1,7 +1,7 @@
 {
   "source": {
     "includePattern": ".+\\.(js(doc|x)?|mjs)$",
-    "excludePattern": "node_modules|shift-parser|shift-reducer|shift-traverser|dist"
+    "excludePattern": "node_modules|shift-parser|shift-reducer|shift-traverser"
   },
   "plugins": ["plugins/markdown"],
   "opts": {

package.json

@@ -44,6 +44,7 @@
     "c8": "^7.12.0",
     "events": "^3.3.0",
     "gh-pages": "^4.0.0",
+    "happy-dom": "^6.0.4",
     "jsdoc": "^3.6.10",
     "jsdoc-json": "^2.0.2",
     "jsdoc-to-markdown": "^7.1.1",

packages/core/.npmignore

@@ -1 +0,0 @@
-examples

packages/core/cyclist.mjs

@@ -1,87 +0,0 @@
-/*
-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';
-import { logger } from './logger.mjs';
-
-export class Cyclist {
-  worker;
-  pattern;
-  started = false;
-  cps = 1; // TODO
-  getTime;
-  phase = 0;
-  constructor({ interval, onTrigger, onToggle, onError, getTime, latency = 0.1 }) {
-    this.getTime = getTime;
-    this.onToggle = onToggle;
-    this.latency = latency;
-    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
-          haps.forEach((hap) => {
-            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) {
-          logger(`[cyclist] error: ${e.message}`);
-          onError?.(e);
-        }
-      }, // called slightly before each cycle
-      interval, // duration of each cycle
-    );
-  }
-  getPhase() {
-    return this.getTime() - this.origin - this.latency;
-  }
-  setStarted(v) {
-    this.started = v;
-    this.onToggle?.(v);
-  }
-  start() {
-    if (!this.pattern) {
-      throw new Error('Scheduler: no pattern set! call .setPattern first.');
-    }
-    logger('[cyclist] start');
-    this.clock.start();
-    this.setStarted(true);
-  }
-  pause() {
-    logger('[cyclist] pause');
-    this.clock.pause();
-    this.setStarted(false);
-  }
-  stop() {
-    logger('[cyclist] stop');
-    this.clock.stop();
-    this.setStarted(false);
-  }
-  setPattern(pat, autostart = false) {
-    this.pattern = pat;
-    if (autostart && !this.started) {
-      this.start();
-    }
-  }
-  setCps(cps = 1) {
-    this.cps = cps;
-  }
-  log(begin, end, haps) {
-    const onsets = haps.filter((h) => h.hasOnset());
-    console.log(`${begin.toFixed(4)} - ${end.toFixed(4)} ${Array(onsets.length).fill('I').join('')}`);
-  }
-}

packages/core/evaluate.mjs

@@ -1,53 +0,0 @@
-/*
-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 { isPattern, Pattern } from './index.mjs';
-
-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 ${i} could not be loaded:`, result.reason);
-    }
-  });
-  Object.assign(globalThis, ...modules, Pattern.prototype.bootstrap());
-};
-
-function safeEval(str, options = {}) {
-  const { wrapExpression = true, wrapAsync = true } = options;
-  if (wrapExpression) {
-    str = `{${str}}`;
-  }
-  if (wrapAsync) {
-    str = `(async ()=>${str})()`;
-  }
-  const body = `"use strict";return (${str})`;
-  return Function(body)();
-}
-
-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
-  }
-  // if no transpiler is given, we expect a single instruction (!wrapExpression)
-  const options = { wrapExpression: !!transpiler };
-  let evaluated = await safeEval(code, options);
-  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 };
-};

packages/core/examples/repl.html

@@ -1,90 +0,0 @@
-<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()
--->

packages/core/examples/scheduled.html

@@ -1,44 +0,0 @@
-<input
-  type="text"
-  id="text"
-  value="seq('c3','eb3','g3').note().s('sawtooth').out()"
-  style="width: 100%; font-size: 2em; outline: none; margin-bottom: 10px"
-  spellcheck="false"
-/>
-<button id="start">play</button>
-<div id="output"></div>
-<script type="module">
-  const strudel = await import('https://cdn.skypack.dev/@strudel.cycles/core@latest');
-
-  const controls = await import('https://cdn.skypack.dev/@strudel.cycles/core@latest/controls.mjs');
-  const { getAudioContext, Scheduler } = await import('https://cdn.skypack.dev/@strudel.cycles/webaudio@latest');
-  let scheduler;
-
-  const audioContext = getAudioContext();
-  const latency = 0.2;
-
-  Object.assign(window, strudel);
-  Object.assign(window, controls.default);
-  scheduler = new Scheduler({
-    audioContext,
-    interval: 0.1,
-    latency,
-    onEvent: (hap) => {
-      if (!hap.context.onTrigger) {
-        console.warn('no output chosen. use one of .out() .webdirt() .osc()');
-      }
-    },
-  });
-  let started;
-  document.getElementById('start').addEventListener('click', async () => {
-    const code = document.getElementById('text').value;
-    const pattern = eval(code);
-    const events = pattern._firstCycleValues;
-    console.log(code, '->', events);
-    scheduler.setPattern(pattern);
-    if (!started) {
-      scheduler.start();
-      started = true;
-    }
-  });
-</script>

packages/core/examples/vanilla.html

@@ -1,96 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Buildless 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">
-      import { controls, repl, evalScope } from 'https://cdn.skypack.dev/@strudel.cycles/core@0.3.2';
-      import { mini } from 'https://cdn.skypack.dev/@strudel.cycles/mini@0.3.2';
-      import { transpiler } from 'https://cdn.skypack.dev/@strudel.cycles/transpiler@0.3.2';
-      import { getAudioContext, webaudioOutput } from 'https://cdn.skypack.dev/@strudel.cycles/webaudio@0.3.3';
-
-      const ctx = getAudioContext();
-      const input = document.getElementById('text');
-      input.innerHTML = getTune();
-
-      evalScope(
-        controls,
-        import('https://cdn.skypack.dev/@strudel.cycles/core@0.3.2'),
-        import('https://cdn.skypack.dev/@strudel.cycles/mini@0.3.2'),
-        import('https://cdn.skypack.dev/@strudel.cycles/tonal@0.3.3'),
-        import('https://cdn.skypack.dev/@strudel.cycles/webaudio@0.3.3'),
-      );
-
-      const { evaluate } = repl({
-        defaultOutput: webaudioOutput,
-        getTime: () => ctx.currentTime,
-        transpiler,
-      });
-      document.getElementById('start').addEventListener('click', () => {
-        ctx.resume();
-        evaluate(input.value);
-      });
-
-      function getTune() {
-        return `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)>")`;
-      }
-    </script>
-  </body>
-</html>

packages/core/examples/vite-vanilla-repl/.gitignore

@@ -1 +0,0 @@
-!dist

packages/core/examples/vite-vanilla-repl/README.md

@@ -1,10 +0,0 @@
-# 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)

packages/core/examples/vite-vanilla-repl/dist/assets/index.211bbc68.js

@@ -1 +0,0 @@
-import{b as s,h as i,m,a as n,c as p,p as t}from"./index.4cbc0a10.js";export{s as SyntaxError,i as h,m as mini,n as minify,p as parse,t as patternifyAST};

packages/core/examples/vite-vanilla-repl/dist/assets/index.ecddf978.js

@@ -1 +0,0 @@
-import{g as s,f as d,i as t,n as r,l as u,j as o,d as f,k as p,r as g,s as i,w as l,e as m}from"./index.4cbc0a10.js";export{s as getAudioContext,d as getCachedBuffer,t as getLoadedBuffer,r as getLoadedSamples,u as loadBuffer,o as loadGithubSamples,f as panic,p as resetLoadedSamples,g as reverseBuffer,i as samples,l as webaudioOutput,m as webaudioOutputTrigger};

packages/core/examples/vite-vanilla-repl/dist/index.html

@@ -1,36 +0,0 @@
-<!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/use-acorn/packages/core/examples/vite-vanilla-repl/dist/assets/index.4cbc0a10.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>

packages/core/examples/vite-vanilla-repl/index.html

@@ -1,35 +0,0 @@
-<!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>

packages/core/examples/vite-vanilla-repl/main.js

@@ -1,29 +0,0 @@
-import { controls, repl, evalScope, setStringParser } from '@strudel.cycles/core';
-import { mini } from '@strudel.cycles/mini';
-import { getAudioContext, webaudioOutput } from '@strudel.cycles/webaudio';
-// import { transpiler } from '@strudel.cycles/transpiler';
-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'),
-);
-
-setStringParser(mini)
-
-const { evaluate } = repl({
-  defaultOutput: webaudioOutput,
-  getTime: () => ctx.currentTime,
-  // transpiler,
-});
-document.getElementById('start').addEventListener('click', () => {
-  ctx.resume();
-  evaluate(input.value);
-});

packages/core/examples/vite-vanilla-repl/package-lock.json

@@ -1,885 +0,0 @@
-{
-  "name": "vite-vanilla-repl",
-  "version": "0.0.0",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "vite-vanilla-repl",
-      "version": "0.0.0",
-      "devDependencies": {
-        "vite": "^3.2.0"
-      }
-    },
-    "node_modules/@esbuild/android-arm": {
-      "version": "0.15.13",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.15.13.tgz",
-      "integrity": "sha512-RY2fVI8O0iFUNvZirXaQ1vMvK0xhCcl0gqRj74Z6yEiO1zAUa7hbsdwZM1kzqbxHK7LFyMizipfXT3JME+12Hw==",
-      "cpu": [
-        "arm"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@esbuild/linux-loong64": {
-      "version": "0.15.13",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.15.13.tgz",
-      "integrity": "sha512-+BoyIm4I8uJmH/QDIH0fu7MG0AEx9OXEDXnqptXCwKOlOqZiS4iraH1Nr7/ObLMokW3sOCeBNyD68ATcV9b9Ag==",
-      "cpu": [
-        "loong64"
-      ],
-      "dev": true,
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/esbuild": {
-      "version": "0.15.13",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.15.13.tgz",
-      "integrity": "sha512-Cu3SC84oyzzhrK/YyN4iEVy2jZu5t2fz66HEOShHURcjSkOSAVL8C/gfUT+lDJxkVHpg8GZ10DD0rMHRPqMFaQ==",
-      "dev": true,
-      "hasInstallScript": true,
-      "bin": {
-        "esbuild": "bin/esbuild"
-      },
-      "engines": {
-        "node": ">=12"
-      },
-      "optionalDependencies": {
-        "@esbuild/android-arm": "0.15.13",
-        "@esbuild/linux-loong64": "0.15.13",
-        "esbuild-android-64": "0.15.13",
-        "esbuild-android-arm64": "0.15.13",
-        "esbuild-darwin-64": "0.15.13",
-        "esbuild-darwin-arm64": "0.15.13",
-        "esbuild-freebsd-64": "0.15.13",
-        "esbuild-freebsd-arm64": "0.15.13",
-        "esbuild-linux-32": "0.15.13",
-        "esbuild-linux-64": "0.15.13",
-        "esbuild-linux-arm": "0.15.13",
-        "esbuild-linux-arm64": "0.15.13",
-        "esbuild-linux-mips64le": "0.15.13",
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packages/core/examples/vite-vanilla-repl/package.json

@@ -1,15 +0,0 @@
-{
-  "name": "vite-vanilla-repl",
-  "private": true,
-  "version": "0.0.0",
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build-githack": "vite build --base /tidalcycles/strudel/use-acorn/packages/core/examples/vite-vanilla-repl/dist/",
-    "build": "vite build",
-    "preview": "vite preview"
-  },
-  "devDependencies": {
-    "vite": "^3.2.0"
-  }
-}

packages/core/examples/vite-vanilla-repl/tune.mjs

@@ -1,39 +0,0 @@
-/* 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)>")`;
- */
-
-export default `stack(
-  n("c3 [eb3,g3]")
-  .delay("<0 .5>")
-  .delaytime(".16 | .33")
-  .delayfeedback(".6 | .8")
-).sometimes(x=>x.speed("-1"))`;

packages/core/fraction.mjs

@@ -55,8 +55,7 @@ Fraction.prototype.min = function (other) {
   return this.lt(other) ? this : other;
 };
 
-Fraction.prototype.show = function (/* excludeWhole = false */) {
-  // return this.toFraction(excludeWhole);
+Fraction.prototype.show = function () {
   return this.s * this.n + '/' + this.d;
 };
 

packages/core/hap.mjs

@@ -85,13 +85,9 @@ export class Hap {
     );
   }
 
-  showWhole(compact = false) {
+  showWhole() {
     return `${this.whole == undefined ? '~' : this.whole.show()}: ${
-      typeof this.value === 'object'
-        ? compact
-          ? JSON.stringify(this.value).slice(1, -1).replaceAll('"', '').replaceAll(',', ' ')
-          : JSON.stringify(this.value)
-        : this.value
+      typeof this.value === 'object' ? JSON.stringify(this.value) : this.value
     }`;
   }
 

packages/core/index.mjs

@@ -7,7 +7,6 @@ This program is free software: you can redistribute it and/or modify it under th
 import controls from './controls.mjs';
 export * from './euclid.mjs';
 import Fraction from './fraction.mjs';
-import { logger } from './logger.mjs';
 export { Fraction, controls };
 export * from './hap.mjs';
 export * from './pattern.mjs';
@@ -16,19 +15,15 @@ export * from './state.mjs';
 export * from './timespan.mjs';
 export * from './util.mjs';
 export * from './speak.mjs';
-export * from './evaluate.mjs';
-export * from './repl.mjs';
-export * from './logger.mjs';
-export * from './time.mjs';
-export * from './draw.mjs';
-export * from './pianoroll.mjs';
-export * from './ui.mjs';
 export { default as drawLine } from './drawLine.mjs';
 export { default as gist } from './gist.js';
 // below won't work with runtime.mjs (json import fails)
 /* import * as p from './package.json';
 export const version = p.version; */
-logger('🌀 @strudel.cycles/core loaded 🌀');
+console.log(
+  '%c // 🌀 @strudel.cycles/core loaded 🌀', // keep "//" for runnable snapshot source..
+  'background-color: black;color:white;padding:4px;border-radius:15px',
+);
 if (globalThis._strudelLoaded) {
   console.warn(
     `@strudel.cycles/core was loaded more than once...

packages/core/logger.mjs

@@ -1,18 +0,0 @@
-export const logKey = 'strudel.log';
-
-export function logger(message, type, data = {}) {
-  console.log(`%c${message}`, 'background-color: black;color:white;border-radius:15px');
-  if (typeof CustomEvent !== 'undefined') {
-    document.dispatchEvent(
-      new CustomEvent(logKey, {
-        detail: {
-          message,
-          type,
-          data,
-        },
-      }),
-    );
-  }
-}
-
-logger.key = logKey;

packages/core/package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@strudel.cycles/core",
-	"version": "0.4.0",
+	"version": "0.2.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/core",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "Port of Tidal Cycles to JavaScript",
   "main": "index.mjs",
   "type": "module",

packages/core/pattern.mjs

@@ -12,13 +12,6 @@ import { unionWithObj } from './value.mjs';
 
 import { compose, removeUndefineds, flatten, id, listRange, curry, mod, numeralArgs, parseNumeral } from './util.mjs';
 import drawLine from './drawLine.mjs';
-import { logger } from './logger.mjs';
-
-let stringParser;
-// parser is expected to turn a string into a pattern
-// if set, the reify function will parse all strings with it
-// intended to use with mini to automatically interpret all strings as mini notation
-export const setStringParser = (parser) => (stringParser = parser);
 
 /** @class Class representing a pattern. */
 export class Pattern {
@@ -1329,25 +1322,22 @@ export class Pattern {
       .unit('c')
       .slow(factor);
   }
-  onTrigger(onTrigger, dominant = true) {
+  onTrigger(onTrigger) {
+    return this._withHap((hap) => hap.setContext({ ...hap.context, onTrigger }));
+  }
+  log(func = id) {
     return this._withHap((hap) =>
       hap.setContext({
         ...hap.context,
         onTrigger: (...args) => {
-          if (!dominant && hap.context.onTrigger) {
+          if (hap.context.onTrigger) {
             hap.context.onTrigger(...args);
           }
-          onTrigger(...args);
+          console.log(func(...args));
         },
-        // we need this to know later if the default trigger should still fire
-        dominantTrigger: dominant,
       }),
     );
   }
-
-  log(func = (_, hap) => `[hap] ${hap.showWhole(true)}`) {
-    return this.onTrigger((...args) => logger(func(...args)), false);
-  }
   logValues(func = id) {
     return this.log((_, hap) => func(hap.value));
   }
@@ -1571,9 +1561,6 @@ export function reify(thing) {
   if (isPattern(thing)) {
     return thing;
   }
-  if (stringParser && typeof thing === 'string') {
-    return stringParser(thing);
-  }
   return pure(thing);
 }
 

packages/core/repl.mjs

@@ -1,59 +0,0 @@
-import { Cyclist } from './cyclist.mjs';
-import { evaluate as _evaluate } from './evaluate.mjs';
-import { logger } from './logger.mjs';
-import { setTime } from './time.mjs';
-
-export function repl({
-  interval,
-  defaultOutput,
-  onSchedulerError,
-  onEvalError,
-  beforeEval,
-  afterEval,
-  getTime,
-  transpiler,
-  onToggle,
-}) {
-  const scheduler = new Cyclist({
-    interval,
-    onTrigger: async (hap, deadline, duration) => {
-      try {
-        if (!hap.context.onTrigger || !hap.context.dominantTrigger) {
-          await defaultOutput(hap, deadline, duration);
-        }
-        if (hap.context.onTrigger) {
-          const cps = 1;
-          // call signature of output / onTrigger is different...
-          await hap.context.onTrigger(getTime() + deadline, hap, getTime(), cps);
-        }
-      } catch (err) {
-        logger(`[cyclist] error: ${err.message}`, 'error');
-      }
-    },
-    onError: onSchedulerError,
-    getTime,
-    onToggle,
-  });
-  setTime(() => scheduler.getPhase()); // TODO: refactor?
-  const evaluate = async (code, autostart = true) => {
-    if (!code) {
-      throw new Error('no code to evaluate');
-    }
-    try {
-      beforeEval({ code });
-      const { pattern } = await _evaluate(code, transpiler);
-      logger(`[eval] code updated`);
-      scheduler.setPattern(pattern, autostart);
-      afterEval({ code, pattern });
-      return pattern;
-    } catch (err) {
-      // console.warn(`[repl] eval error: ${err.message}`);
-      logger(`[eval] error: ${err.message}`, 'error');
-      onEvalError?.(err);
-    }
-  };
-  const stop = () => scheduler.stop();
-  const start = () => scheduler.start();
-  const pause = () => scheduler.pause();
-  return { scheduler, evaluate, start, stop, pause };
-}

packages/core/speak.mjs

@@ -32,8 +32,11 @@ function speak(words, lang, voice) {
 }
 
 Pattern.prototype._speak = function (lang, voice) {
-  return this.onTrigger((_, hap) => {
-    speak(hap.value, lang, voice);
+  return this._withHap((hap) => {
+    const onTrigger = (time, hap) => {
+      speak(hap.value, lang, voice);
+    };
+    return hap.setContext({ ...hap.context, onTrigger });
   });
 };
 

packages/core/time.mjs

@@ -1,11 +0,0 @@
-let time;
-export function getTime() {
-  if (!time) {
-    throw new Error('no time set! use setTime to define a time source');
-  }
-  return time();
-}
-
-export function setTime(func) {
-  time = func;
-}

packages/core/util.mjs

@@ -55,13 +55,9 @@ export const midi2note = (n) => {
 export const mod = (n, m) => ((n % m) + m) % m;
 
 export const getPlayableNoteValue = (hap) => {
-  let { value, context } = hap;
-  let note = value;
+  let { value: note, context } = hap;
   if (typeof note === 'object' && !Array.isArray(note)) {
     note = note.note || note.n || note.value;
-    if (note === undefined) {
-      throw new Error(`cannot find a playable note for ${JSON.stringify(value)}`);
-    }
   }
   // if value is number => interpret as midi number as long as its not marked as frequency
   if (typeof note === 'number' && context.type !== 'frequency') {
@@ -77,11 +73,8 @@ export const getPlayableNoteValue = (hap) => {
 export const getFrequency = (hap) => {
   let { value, context } = hap;
   // if value is number => interpret as midi number as long as its not marked as frequency
-  if (typeof value === 'object') {
-    if (value.freq) {
-      return value.freq;
-    }
-    return getFreq(value.note || value.n || value.value);
+  if (typeof value === 'object' && value.freq) {
+    return value.freq;
   }
   if (typeof value === 'number' && context.type !== 'frequency') {
     value = fromMidi(hap.value);

packages/core/zyklus.mjs

@@ -1,49 +0,0 @@
-// 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 = () => {
-    clear(); // just in case start was called more than once
-    onTick();
-    intervalID = setInterval(onTick, interval * 1000);
-  };
-  const clear = () => intervalID !== undefined && 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;

packages/embed/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/embed",
-  "version": "0.2.0",
+  "version": "0.1.1",
   "description": "Embeddable Web Component to load a Strudel REPL into an iframe",
   "main": "embed.js",
   "type": "module",

packages/eval/README.md

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

packages/eval/evaluate.mjs

@@ -4,9 +4,46 @@ 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/>.
 */
 
-import { evaluate as _evaluate } from '@strudel.cycles/core';
 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) => {
-  return _evaluate(code, shapeshifter);
+  if (!scoped) {
+    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 };
 };

packages/eval/package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@strudel.cycles/eval",
-	"version": "0.4.0",
+	"version": "0.2.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {

packages/eval/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/eval",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "Code evaluator for strudel",
   "main": "index.mjs",
   "type": "module",
@@ -28,12 +28,12 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@strudel.cycles/core": "^0.4.0",
+    "@strudel.cycles/core": "^0.2.0",
     "estraverse": "^5.3.0",
-    "shift-ast": "^7.0.0",
-    "shift-codegen": "^8.1.0",
-    "shift-parser": "^8.0.0",
-    "shift-spec": "^2019.0.0",
+    "shift-ast": "^6.1.0",
+    "shift-codegen": "^7.0.3",
+    "shift-parser": "^7.0.3",
+    "shift-spec": "^2018.0.2",
     "shift-traverser": "^1.0.0"
   }
 }

packages/eval/shapeshifter.mjs

@@ -30,8 +30,7 @@ const isNote = (name) => /^[a-gC-G][bs]?[0-9]$/.test(name);
 const addLocations = true;
 export const addMiniLocations = true;
 export const minifyStrings = true;
-export const wrappedAsync = false; // this is now handled by core evaluate by default
-export const shouldAddReturn = true;
+export const wrappedAsync = true;
 
 export default (_code) => {
   const { code, addReturn } = wrapAsync(_code);
@@ -126,7 +125,7 @@ export default (_code) => {
     },
   });
   // add return to last statement (because it's wrapped in an async function artificially)
-  if (shouldAddReturn) {
+  if (wrappedAsync) {
     addReturn(shifted);
   }
   const generated = undisguiseImports(codegen(shifted));
@@ -154,7 +153,7 @@ ${code}
 })()`;
   }
   const addReturn = (ast) => {
-    const body = wrappedAsync ? ast.statements[0].expression.callee.body : ast;
+    const body = ast.statements[0].expression.callee.body; // actual code ast inside async function body
     body.statements = body.statements
       .slice(0, -1)
       .concat([new ReturnStatement({ expression: body.statements.slice(-1)[0] })]);

packages/eval/test/evaluate.test.mjs

@@ -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 { evaluate } from '../evaluate.mjs';
+import { evaluate, evalScope } from '../evaluate.mjs';
 import { mini } from '@strudel.cycles/mini';
 import * as strudel from '@strudel.cycles/core';
-const { fastcat, evalScope } = strudel;
+const { fastcat } = strudel;
 
 describe('evaluate', async () => {
   await evalScope({ mini }, strudel);

packages/eval/test/shapeshifter.test.mjs

@@ -5,21 +5,15 @@ This program is free software: you can redistribute it and/or modify it under th
 */
 
 import { describe, it, expect } from 'vitest';
-import shapeshifter, { wrappedAsync } from '../shapeshifter.mjs';
+import shapeshifter from '../shapeshifter.mjs';
 
 describe('shapeshifter', () => {
   it('Should shift simple double quote string', () => {
-    if (wrappedAsync) {
-      expect(shapeshifter('"c3"')).toEqual('(async()=>{return mini("c3").withMiniLocation([1,0,15],[1,4,19])})()');
-    } else {
-      expect(shapeshifter('"c3"')).toEqual('return mini("c3").withMiniLocation([1,0,0],[1,4,4])');
-    }
+    expect(shapeshifter('"c3"')).toEqual('(async()=>{return mini("c3").withMiniLocation([1,0,15],[1,4,19])})()');
+  });
+  it('Should handle dynamic imports', () => {
+    expect(shapeshifter('const { default: foo } = await import(\'https://bar.com/foo.js\');"c3"')).toEqual(
+      '(async()=>{const{default:foo}=await import("https://bar.com/foo.js");return mini("c3").withMiniLocation([1,64,79],[1,68,83])})()',
+    );
   });
-  if (wrappedAsync) {
-    it('Should handle dynamic imports', () => {
-      expect(shapeshifter('const { default: foo } = await import(\'https://bar.com/foo.js\');"c3"')).toEqual(
-        'const{default:foo}=await import("https://bar.com/foo.js");return mini("c3").withMiniLocation([1,64,79],[1,68,83])',
-      );
-    });
-  }
 });

packages/midi/midi.mjs

@@ -4,19 +4,15 @@ 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/>.
 */
 
-import * as _WebMidi from 'webmidi';
-import { Pattern, isPattern, isNote, getPlayableNoteValue, logger } from '@strudel.cycles/core';
-import { getAudioContext } from '@strudel.cycles/webaudio';
+import { isNote } from 'tone';
+import _WebMidi from 'webmidi';
+import { Pattern, isPattern } from '@strudel.cycles/core';
+import { Tone } from '@strudel.cycles/tone';
 
 // if you use WebMidi from outside of this package, make sure to import that instance:
-export const { WebMidi } = _WebMidi;
+export const WebMidi = _WebMidi;
 
-export function enableWebMidi(options = {}) {
-  const { onReady, onConnected, onDisconnected } = options;
-
-  if (typeof navigator.requestMIDIAccess !== 'function') {
-    throw new Error('Your Browser does not support WebMIDI.');
-  }
+export function enableWebMidi() {
   return new Promise((resolve, reject) => {
     if (WebMidi.enabled) {
       // if already enabled, just resolve WebMidi
@@ -27,14 +23,6 @@ export function enableWebMidi(options = {}) {
       if (err) {
         reject(err);
       }
-      WebMidi.addListener('connected', (e) => {
-        onConnected?.(WebMidi);
-      });
-      // Reacting when a device becomes unavailable
-      WebMidi.addListener('disconnected', (e) => {
-        onDisconnected?.(WebMidi, e);
-      });
-      onReady?.(WebMidi);
       resolve(WebMidi);
     });
   });
@@ -43,21 +31,7 @@ export function enableWebMidi(options = {}) {
 const outputByName = (name) => WebMidi.getOutputByName(name);
 
 // Pattern.prototype.midi = function (output: string | number, channel = 1) {
-Pattern.prototype.midi = async function (output, channel = 1) {
-  await enableWebMidi({
-    onConnected: ({ outputs }) =>
-      logger(`Midi device connected! Available: ${outputs.map((o) => `'${o.name}'`).join(', ')}`),
-    onDisconnected: ({ outputs }) =>
-      logger(`Midi device disconnected! Available: ${outputs.map((o) => `'${o.name}'`).join(', ')}`),
-    onReady: ({ outputs }) => {
-      const chosenOutput = output ?? outputs[0];
-      const otherOutputs = outputs
-        .filter((o) => o.name !== chosenOutput.name)
-        .map((o) => `'${o.name}'`)
-        .join(' | ');
-      logger(`Midi connected! Using "${chosenOutput.name}". ${otherOutputs ? `Also available: ${otherOutputs}` : ''}`);
-    },
-  });
+Pattern.prototype.midi = function (output, channel = 1) {
   if (isPattern(output?.constructor?.name)) {
     throw new Error(
       `.midi does not accept Pattern input. Make sure to pass device name with single quotes. Example: .midi('${
@@ -65,42 +39,46 @@ Pattern.prototype.midi = async function (output, channel = 1) {
       }')`,
     );
   }
-  return this.onTrigger((time, hap) => {
-    let note = getPlayableNoteValue(hap);
-    const velocity = hap.context?.velocity ?? 0.9;
-    if (!isNote(note)) {
-      throw new Error('not a note: ' + note);
-    }
-    if (!WebMidi.enabled) {
-      throw new Error(`🎹 WebMidi is not enabled. Supported Browsers: https://caniuse.com/?search=webmidi`);
-    }
-    if (!WebMidi.outputs.length) {
-      throw new Error(`🔌 No MIDI devices found. Connect a device or enable IAC Driver.`);
-    }
-    let device;
-    if (typeof output === 'number') {
-      device = WebMidi.outputs[output];
-    } else if (typeof output === 'string') {
-      device = outputByName(output);
-    } else {
-      device = WebMidi.outputs[0];
-    }
-    if (!device) {
-      throw new Error(
-        `🔌 MIDI device '${output ? output : ''}' not found. Use one of ${WebMidi.outputs
-          .map((o) => `'${o.name}'`)
-          .join(' | ')}`,
-      );
-    }
-    // console.log('midi', value, output);
-    const timingOffset = WebMidi.time - getAudioContext().currentTime * 1000;
-    time = time * 1000 + timingOffset;
-    // const inMs = '+' + (time - Tone.getContext().currentTime) * 1000;
-    // await enableWebMidi()
-    device.playNote(note, channel, {
-      time,
-      duration: hap.duration.valueOf() * 1000 - 5,
-      attack: velocity,
-    });
+  return this._withHap((hap) => {
+    // const onTrigger = (time: number, hap: any) => {
+    const onTrigger = (time, hap) => {
+      let note = hap.value;
+      const velocity = hap.context?.velocity ?? 0.9;
+      if (!isNote(note)) {
+        throw new Error('not a note: ' + note);
+      }
+      if (!WebMidi.enabled) {
+        throw new Error(`🎹 WebMidi is not enabled. Supported Browsers: https://caniuse.com/?search=webmidi`);
+      }
+      if (!WebMidi.outputs.length) {
+        throw new Error(`🔌 No MIDI devices found. Connect a device or enable IAC Driver.`);
+      }
+      let device;
+      if (typeof output === 'number') {
+        device = WebMidi.outputs[output];
+      } else if (typeof output === 'string') {
+        device = outputByName(output);
+      } else {
+        device = WebMidi.outputs[0];
+      }
+      if (!device) {
+        throw new Error(
+          `🔌 MIDI device '${output ? output : ''}' not found. Use one of ${WebMidi.outputs
+            .map((o) => `'${o.name}'`)
+            .join(' | ')}`,
+        );
+      }
+      // console.log('midi', value, output);
+      const timingOffset = WebMidi.time - Tone.getContext().currentTime * 1000;
+      time = time * 1000 + timingOffset;
+      // const inMs = '+' + (time - Tone.getContext().currentTime) * 1000;
+      // await enableWebMidi()
+      device.playNote(note, channel, {
+        time,
+        duration: hap.duration.valueOf() * 1000 - 5,
+        velocity,
+      });
+    };
+    return hap.setContext({ ...hap.context, onTrigger });
   });
 };

packages/midi/package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@strudel.cycles/midi",
-	"version": "0.4.0",
+	"version": "0.2.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {

packages/midi/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/midi",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "Midi API for strudel",
   "main": "index.mjs",
   "repository": {
@@ -21,8 +21,8 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@strudel.cycles/tone": "^0.4.0",
+    "@strudel.cycles/tone": "^0.2.0",
     "tone": "^14.7.77",
-    "webmidi": "^3.0.21"
+    "webmidi": "^2.5.2"
   }
 }

packages/mini/krill-parser.js

@@ -32,7 +32,7 @@ function peg$padEnd(str, targetLength, padString) {
 }
 
 peg$SyntaxError.prototype.format = function(sources) {
-  var str = "peg error: " + this.message;
+  var str = "Error: " + this.message;
   if (this.location) {
     var src = null;
     var k;

packages/mini/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/mini",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {

packages/mini/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/mini",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "Mini notation for strudel",
   "main": "index.mjs",
   "type": "module",
@@ -26,9 +26,9 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@strudel.cycles/core": "^0.4.0",
-    "@strudel.cycles/eval": "^0.4.0",
-    "@strudel.cycles/tone": "^0.4.0"
+    "@strudel.cycles/core": "^0.2.0",
+    "@strudel.cycles/eval": "^0.2.0",
+    "@strudel.cycles/tone": "^0.2.0"
   },
   "devDependencies": {
     "peggy": "^2.0.1"

packages/osc/osc.mjs

@@ -5,34 +5,10 @@ This program is free software: you can redistribute it and/or modify it under th
 */
 
 import OSC from 'osc-js';
-import { logger, parseNumeral, Pattern } from '@strudel.cycles/core';
-
-let connection; // Promise<OSC>
-function connect() {
-  if (!connection) {
-    // make sure this runs only once
-    connection = new Promise((resolve, reject) => {
-      const osc = new OSC();
-      osc.open();
-      osc.on('open', () => {
-        const url = osc.options?.plugin?.socket?.url;
-        logger(`[osc] connected${url ? ` to ${url}` : ''}`);
-        resolve(osc);
-      });
-      osc.on('close', () => {
-        connection = undefined; // allows new connection afterwards
-        console.log('[osc] disconnected');
-        reject('OSC connection closed');
-      });
-      osc.on('error', (err) => reject(err));
-    }).catch((err) => {
-      connection = undefined;
-      throw new Error('Could not connect to OSC server. Is it running?');
-    });
-  }
-  return connection;
-}
+import { parseNumeral, Pattern } from '@strudel.cycles/core';
 
+const comm = new OSC();
+comm.open();
 const latency = 0.1;
 let startedAt = -1;
 
@@ -44,25 +20,28 @@ let startedAt = -1;
  * @memberof Pattern
  * @returns Pattern
  */
-Pattern.prototype.osc = async function () {
-  const osc = await connect();
-  return this.onTrigger((time, hap, currentTime, cps = 1) => {
-    const cycle = hap.wholeOrPart().begin.valueOf();
-    const delta = hap.duration.valueOf();
-    // time should be audio time of onset
-    // currentTime should be current time of audio context (slightly before time)
-    if (startedAt < 0) {
-      startedAt = Date.now() - currentTime * 1000;
-    }
-    const controls = Object.assign({}, { cps, cycle, delta }, hap.value);
-    // make sure n and note are numbers
-    controls.n && (controls.n = parseNumeral(controls.n));
-    controls.note && (controls.note = parseNumeral(controls.note));
-    const keyvals = Object.entries(controls).flat();
-    const ts = Math.floor(startedAt + (time + latency) * 1000);
-    const message = new OSC.Message('/dirt/play', ...keyvals);
-    const bundle = new OSC.Bundle([message], ts);
-    bundle.timestamp(ts); // workaround for https://github.com/adzialocha/osc-js/issues/60
-    osc.send(bundle);
+Pattern.prototype.osc = function () {
+  return this._withHap((hap) => {
+    const onTrigger = (time, hap, currentTime, cps) => {
+      const cycle = hap.wholeOrPart().begin.valueOf();
+      const delta = hap.duration.valueOf();
+      // time should be audio time of onset
+      // currentTime should be current time of audio context (slightly before time)
+      if (startedAt < 0) {
+        startedAt = Date.now() - currentTime * 1000;
+      }
+      const controls = Object.assign({}, { cps, cycle, delta }, hap.value);
+      // make sure n and note are numbers
+      controls.n && (controls.n = parseNumeral(controls.n));
+      controls.note && (controls.note = parseNumeral(controls.note));
+
+      const keyvals = Object.entries(controls).flat();
+      const ts = Math.floor(startedAt + (time + latency) * 1000);
+      const message = new OSC.Message('/dirt/play', ...keyvals);
+      const bundle = new OSC.Bundle([message], ts);
+      bundle.timestamp(ts); // workaround for https://github.com/adzialocha/osc-js/issues/60
+      comm.send(bundle);
+    };
+    return hap.setContext({ ...hap.context, onTrigger });
   });
 };

packages/osc/package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@strudel.cycles/osc",
-	"version": "0.3.0",
+	"version": "0.1.1",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {

packages/osc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/osc",
-  "version": "0.3.0",
+  "version": "0.1.1",
   "description": "OSC messaging for strudel",
   "main": "osc.mjs",
   "scripts": {
@@ -30,6 +30,6 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "osc-js": "^2.4.0"
+    "osc-js": "^2.3.2"
   }
 }

packages/react/.npmignore

@@ -1 +0,0 @@
-examples

packages/react/README.md

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

packages/react/dist/index.es.js

@@ -1,310 +1,582 @@
-import n, { useCallback as N, useRef as x, useEffect as R, useState as w, useMemo as I, useLayoutEffect as K } from "react";
-import Q from "@uiw/react-codemirror";
-import { Decoration as E, EditorView as O } from "@codemirror/view";
-import { StateEffect as j, StateField as U } from "@codemirror/state";
-import { javascript as W } from "@codemirror/lang-javascript";
-import { tags as r } from "@lezer/highlight";
-import { createTheme as X } from "@uiw/codemirror-themes";
-import { useInView as Y } from "react-hook-inview";
-import { webaudioOutput as Z, getAudioContext as ee } from "@strudel.cycles/webaudio";
-import { repl as te } from "@strudel.cycles/core";
-import { transpiler as re } from "@strudel.cycles/transpiler";
-const oe = X({
-  theme: "dark",
+import React, { useCallback, useState, useEffect, useMemo, useRef, useLayoutEffect } from 'react';
+import _CodeMirror from '@uiw/react-codemirror';
+import { Decoration, EditorView } from '@codemirror/view';
+import { StateEffect, StateField } from '@codemirror/state';
+import { javascript } from '@codemirror/lang-javascript';
+import { tags } from '@lezer/highlight';
+import { createTheme } from '@uiw/codemirror-themes';
+import { useInView } from 'react-hook-inview';
+import { evaluate } from '@strudel.cycles/eval';
+import { Tone } from '@strudel.cycles/tone';
+import { TimeSpan, State } from '@strudel.cycles/core';
+import { webaudioOutputTrigger } from '@strudel.cycles/webaudio';
+import { WebMidi, enableWebMidi } from '@strudel.cycles/midi';
+
+var strudelTheme = createTheme({
+  theme: 'dark',
   settings: {
-    background: "#222",
-    foreground: "#75baff",
-    caret: "#ffcc00",
-    selection: "rgba(128, 203, 196, 0.5)",
-    selectionMatch: "#036dd626",
-    lineHighlight: "#00000050",
-    gutterBackground: "transparent",
-    gutterForeground: "#8a919966"
+    background: '#222',
+    foreground: '#75baff', // whats that?
+    caret: '#ffcc00',
+    selection: 'rgba(128, 203, 196, 0.5)',
+    selectionMatch: '#036dd626',
+    lineHighlight: '#8a91991a',
+    gutterBackground: 'transparent',
+    // gutterForeground: '#8a919966',
+    gutterForeground: '#676e95',
   },
   styles: [
-    { tag: r.keyword, color: "#c792ea" },
-    { tag: r.operator, color: "#89ddff" },
-    { tag: r.special(r.variableName), color: "#eeffff" },
-    { tag: r.typeName, color: "#c3e88d" },
-    { tag: r.atom, color: "#f78c6c" },
-    { tag: r.number, color: "#c3e88d" },
-    { tag: r.definition(r.variableName), color: "#82aaff" },
-    { tag: r.string, color: "#c3e88d" },
-    { tag: r.special(r.string), color: "#c3e88d" },
-    { tag: r.comment, color: "#7d8799" },
-    { tag: r.variableName, color: "#c792ea" },
-    { tag: r.tagName, color: "#c3e88d" },
-    { tag: r.bracket, color: "#525154" },
-    { tag: r.meta, color: "#ffcb6b" },
-    { tag: r.attributeName, color: "#c792ea" },
-    { tag: r.propertyName, color: "#c792ea" },
-    { tag: r.className, color: "#decb6b" },
-    { tag: r.invalid, color: "#ffffff" }
-  ]
+    { tag: tags.keyword, color: '#c792ea' },
+    { tag: tags.operator, color: '#89ddff' },
+    { tag: tags.special(tags.variableName), color: '#eeffff' },
+    { tag: tags.typeName, color: '#f07178' },
+    { tag: tags.atom, color: '#f78c6c' },
+    { tag: tags.number, color: '#ff5370' },
+    { tag: tags.definition(tags.variableName), color: '#82aaff' },
+    { tag: tags.string, color: '#c3e88d' },
+    { tag: tags.special(tags.string), color: '#f07178' },
+    { tag: tags.comment, color: '#7d8799' },
+    { tag: tags.variableName, color: '#f07178' },
+    { tag: tags.tagName, color: '#ff5370' },
+    { tag: tags.bracket, color: '#a2a1a4' },
+    { tag: tags.meta, color: '#ffcb6b' },
+    { tag: tags.attributeName, color: '#c792ea' },
+    { tag: tags.propertyName, color: '#c792ea' },
+    { tag: tags.className, color: '#decb6b' },
+    { tag: tags.invalid, color: '#ffffff' },
+  ],
 });
-const T = j.define(), ne = U.define({
+
+var style = '';
+
+const setFlash = StateEffect.define();
+const flashField = StateField.define({
   create() {
-    return E.none;
+    return Decoration.none;
   },
-  update(e, t) {
+  update(flash2, tr) {
     try {
-      for (let o of t.effects)
-        if (o.is(T))
-          if (o.value) {
-            const a = E.mark({ attributes: { style: "background-color: #FFCA2880" } });
-            e = E.set([a.range(0, t.newDoc.length)]);
-          } else
-            e = E.set([]);
-      return e;
-    } catch (o) {
-      return console.warn("flash error", o), e;
+      for (let e of tr.effects) {
+        if (e.is(setFlash)) {
+          if (e.value) {
+            const mark = Decoration.mark({ attributes: { style: `background-color: #FFCA2880` } });
+            flash2 = Decoration.set([mark.range(0, tr.newDoc.length)]);
+          } else {
+            flash2 = Decoration.set([]);
+          }
+        }
+      }
+      return flash2;
+    } catch (err) {
+      console.warn("flash error", err);
+      return flash2;
     }
   },
-  provide: (e) => O.decorations.from(e)
-}), ae = (e) => {
-  e.dispatch({ effects: T.of(!0) }), setTimeout(() => {
-    e.dispatch({ effects: T.of(!1) });
+  provide: (f) => EditorView.decorations.from(f)
+});
+const flash = (view) => {
+  view.dispatch({ effects: setFlash.of(true) });
+  setTimeout(() => {
+    view.dispatch({ effects: setFlash.of(false) });
   }, 200);
-}, A = j.define(), se = U.define({
+};
+const setHighlights = StateEffect.define();
+const highlightField = StateField.define({
   create() {
-    return E.none;
+    return Decoration.none;
   },
-  update(e, t) {
+  update(highlights, tr) {
     try {
-      for (let o of t.effects)
-        if (o.is(A)) {
-          const a = o.value.map(
-            (s) => (s.context.locations || []).map(({ start: m, end: l }) => {
-              const d = s.context.color || "#FFCA28";
-              let c = t.newDoc.line(m.line).from + m.column, i = t.newDoc.line(l.line).from + l.column;
-              const g = t.newDoc.length;
-              return c > g || i > g ? void 0 : E.mark({ attributes: { style: `outline: 1.5px solid ${d};` } }).range(c, i);
+      for (let e of tr.effects) {
+        if (e.is(setHighlights)) {
+          const marks = e.value.map(
+            (hap) => (hap.context.locations || []).map(({ start, end }) => {
+              const color = hap.context.color || "#FFCA28";
+              let from = tr.newDoc.line(start.line).from + start.column;
+              let to = tr.newDoc.line(end.line).from + end.column;
+              const l = tr.newDoc.length;
+              if (from > l || to > l) {
+                return;
+              }
+              const mark = Decoration.mark({ attributes: { style: `outline: 1.5px solid ${color};` } });
+              return mark.range(from, to);
             })
           ).flat().filter(Boolean) || [];
-          e = E.set(a, !0);
+          highlights = Decoration.set(marks, true);
         }
-      return e;
-    } catch {
-      return E.set([]);
+      }
+      return highlights;
+    } catch (err) {
+      return Decoration.set([]);
     }
   },
-  provide: (e) => O.decorations.from(e)
-}), ce = [W(), oe, se, ne];
-function ie({ value: e, onChange: t, onViewChanged: o, onSelectionChange: a, options: s, editorDidMount: m }) {
-  const l = N(
-    (i) => {
-      t?.(i);
+  provide: (f) => EditorView.decorations.from(f)
+});
+const extensions = [javascript(), strudelTheme, highlightField, flashField];
+function CodeMirror({ value, onChange, onViewChanged, onSelectionChange, options, editorDidMount }) {
+  const handleOnChange = useCallback(
+    (value2) => {
+      onChange?.(value2);
     },
-    [t]
-  ), d = N(
-    (i) => {
-      o?.(i);
-    },
-    [o]
-  ), c = N(
-    (i) => {
-      i.selectionSet && a && a?.(i.state.selection);
-    },
-    [a]
+    [onChange]
   );
-  return /* @__PURE__ */ n.createElement(n.Fragment, null, /* @__PURE__ */ n.createElement(Q, {
-    value: e,
-    onChange: l,
-    onCreateEditor: d,
-    onUpdate: c,
-    extensions: ce
+  const handleOnCreateEditor = useCallback(
+    (view) => {
+      onViewChanged?.(view);
+    },
+    [onViewChanged]
+  );
+  const handleOnUpdate = useCallback(
+    (viewUpdate) => {
+      if (viewUpdate.selectionSet && onSelectionChange) {
+        onSelectionChange?.(viewUpdate.state.selection);
+      }
+    },
+    [onSelectionChange]
+  );
+  return /* @__PURE__ */ React.createElement(React.Fragment, null, /* @__PURE__ */ React.createElement(_CodeMirror, {
+    value,
+    onChange: handleOnChange,
+    onCreateEditor: handleOnCreateEditor,
+    onUpdate: handleOnUpdate,
+    extensions
   }));
 }
-function B(...e) {
-  return e.filter(Boolean).join(" ");
+
+/*
+useCycle.mjs - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/useCycle.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/>.
+*/
+
+/* export declare interface UseCycleProps {
+  onEvent: ToneEventCallback<any>;
+  onQuery?: (state: State) => Hap[];
+  onSchedule?: (events: Hap[], cycle: number) => void;
+  onDraw?: ToneEventCallback<any>;
+  ready?: boolean; // if false, query will not be called on change props
+} */
+
+// function useCycle(props: UseCycleProps) {
+function useCycle(props) {
+  // onX must use useCallback!
+  const { onEvent, onQuery, onSchedule, ready = true, onDraw } = props;
+  const [started, setStarted] = useState(false);
+  const cycleDuration = 1;
+  const activeCycle = () => Math.floor(Tone.getTransport().seconds / cycleDuration);
+
+  // pull events with onQuery + count up to next cycle
+  const query = (cycle = activeCycle()) => {
+    const timespan = new TimeSpan(cycle, cycle + 1);
+    const events = onQuery?.(new State(timespan)) || [];
+    onSchedule?.(events, cycle);
+    // cancel events after current query. makes sure no old events are player for rescheduled cycles
+    // console.log('schedule', cycle);
+    // query next cycle in the middle of the current
+    const cancelFrom = timespan.begin.valueOf();
+    Tone.getTransport().cancel(cancelFrom);
+    // const queryNextTime = (cycle + 1) * cycleDuration - 0.1;
+    const queryNextTime = (cycle + 1) * cycleDuration - 0.5;
+
+    // if queryNextTime would be before current time, execute directly (+0.1 for safety that it won't miss)
+    const t = Math.max(Tone.getTransport().seconds, queryNextTime) + 0.1;
+    Tone.getTransport().schedule(() => {
+      query(cycle + 1);
+    }, t);
+
+    // schedule events for next cycle
+    events
+      ?.filter((event) => event.part.begin.equals(event.whole?.begin))
+      .forEach((event) => {
+        Tone.getTransport().schedule((time) => {
+          onEvent(time, event, Tone.getContext().currentTime);
+          Tone.Draw.schedule(() => {
+            // do drawing or DOM manipulation here
+            onDraw?.(time, event);
+          }, time);
+        }, event.part.begin.valueOf());
+      });
+  };
+
+  useEffect(() => {
+    ready && query();
+  }, [onEvent, onSchedule, onQuery, onDraw, ready]);
+
+  const start = async () => {
+    setStarted(true);
+    await Tone.start();
+    Tone.getTransport().start('+0.1');
+  };
+  const stop = () => {
+    Tone.getTransport().pause();
+    setStarted(false);
+  };
+  const toggle = () => (started ? stop() : start());
+  return {
+    start,
+    stop,
+    onEvent,
+    started,
+    setStarted,
+    toggle,
+    query,
+    activeCycle,
+  };
 }
-function le({ view: e, pattern: t, active: o, getTime: a }) {
-  const s = x([]), m = x();
-  R(() => {
-    if (e)
-      if (t && o) {
-        let d = function() {
-          try {
-            const c = a(), g = [Math.max(m.current || c, c - 1 / 10, 0), c + 1 / 60];
-            m.current = g[1], s.current = s.current.filter((p) => p.whole.end > c);
-            const v = t.queryArc(...g).filter((p) => p.hasOnset());
-            s.current = s.current.concat(v), e.dispatch({ effects: A.of(s.current) });
-          } catch {
-            e.dispatch({ effects: A.of([]) });
-          }
-          l = requestAnimationFrame(d);
-        }, l = requestAnimationFrame(d);
-        return () => {
-          cancelAnimationFrame(l);
-        };
-      } else
-        s.current = [], e.dispatch({ effects: A.of([]) });
-  }, [t, o, e]);
+
+/*
+usePostMessage.mjs - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/usePostMessage.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/>.
+*/
+
+function usePostMessage(listener) {
+  useEffect(() => {
+    window.addEventListener('message', listener);
+    return () => window.removeEventListener('message', listener);
+  }, [listener]);
+  return useCallback((data) => window.postMessage(data, '*'), []);
 }
-const de = "_container_3i85k_1", ue = "_header_3i85k_5", fe = "_buttons_3i85k_9", me = "_button_3i85k_9", ge = "_buttonDisabled_3i85k_17", pe = "_error_3i85k_21", he = "_body_3i85k_25", b = {
-  container: de,
-  header: ue,
-  buttons: fe,
-  button: me,
-  buttonDisabled: ge,
-  error: pe,
-  body: he
+
+/*
+useRepl.mjs - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/useRepl.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/>.
+*/
+
+let s4 = () => {
+  return Math.floor((1 + Math.random()) * 0x10000)
+    .toString(16)
+    .substring(1);
 };
-function q({ type: e }) {
-  return /* @__PURE__ */ n.createElement("svg", {
+const generateHash = (code) => encodeURIComponent(btoa(code));
+
+function useRepl({ tune, autolink = true, onEvent, onDraw: onDrawProp }) {
+  const id = useMemo(() => s4(), []);
+  const [code, setCode] = useState(tune);
+  const [activeCode, setActiveCode] = useState();
+  const [log, setLog] = useState('');
+  const [error, setError] = useState();
+  const [pending, setPending] = useState(false);
+  const [hash, setHash] = useState('');
+  const [pattern, setPattern] = useState();
+  const dirty = useMemo(() => code !== activeCode || error, [code, activeCode, error]);
+  const pushLog = useCallback((message) => setLog((log) => log + `${log ? '\n\n' : ''}${message}`), []);
+
+  // below block allows disabling the highlighting by including "strudel disable-highlighting" in the code (as comment)
+  const onDraw = useMemo(() => {
+    if (activeCode && !activeCode.includes('strudel disable-highlighting')) {
+      return (time, event) => onDrawProp?.(time, event, activeCode);
+    }
+  }, [activeCode, onDrawProp]);
+
+  const hideHeader = useMemo(() => activeCode && activeCode.includes('strudel hide-header'), [activeCode]);
+  const hideConsole = useMemo(() => activeCode && activeCode.includes('strudel hide-console'), [activeCode]);
+  // cycle hook to control scheduling
+  const cycle = useCycle({
+    onDraw,
+    onEvent: useCallback(
+      (time, event, currentTime) => {
+        try {
+          onEvent?.(event);
+          if (event.context.logs?.length) {
+            event.context.logs.forEach(pushLog);
+          }
+          const { onTrigger = webaudioOutputTrigger } = event.context;
+          onTrigger(time, event, currentTime, 1 /* cps */);
+        } catch (err) {
+          console.warn(err);
+          err.message = 'unplayable event: ' + err?.message;
+          pushLog(err.message); // not with setError, because then we would have to setError(undefined) on next playable event
+        }
+      },
+      [onEvent, pushLog],
+    ),
+    onQuery: useCallback(
+      (state) => {
+        try {
+          return pattern?.query(state) || [];
+        } catch (err) {
+          console.warn(err);
+          err.message = 'query error: ' + err.message;
+          setError(err);
+          return [];
+        }
+      },
+      [pattern],
+    ),
+    onSchedule: useCallback((_events, cycle) => logCycle(_events), []),
+    ready: !!pattern && !!activeCode,
+  });
+
+  const broadcast = usePostMessage(({ data: { from, type } }) => {
+    if (type === 'start' && from !== id) {
+      // console.log('message', from, type);
+      cycle.setStarted(false);
+      setActiveCode(undefined);
+    }
+  });
+
+  const activateCode = useCallback(
+    async (_code = code) => {
+      if (activeCode && !dirty) {
+        setError(undefined);
+        cycle.start();
+        return;
+      }
+      try {
+        setPending(true);
+        const parsed = await evaluate(_code);
+        cycle.start();
+        broadcast({ type: 'start', from: id });
+        setPattern(() => parsed.pattern);
+        if (autolink) {
+          window.location.hash = '#' + encodeURIComponent(btoa(code));
+        }
+        setHash(generateHash(code));
+        setError(undefined);
+        setActiveCode(_code);
+        setPending(false);
+      } catch (err) {
+        err.message = 'evaluation error: ' + err.message;
+        console.warn(err);
+        setError(err);
+      }
+    },
+    [activeCode, dirty, code, cycle, autolink, id, broadcast],
+  );
+  // logs events of cycle
+  const logCycle = (_events, cycle) => {
+    if (_events.length) ;
+  };
+
+  const togglePlay = () => {
+    if (!cycle.started) {
+      activateCode();
+    } else {
+      cycle.stop();
+    }
+  };
+
+  return {
+    hideHeader,
+    hideConsole,
+    pending,
+    code,
+    setCode,
+    pattern,
+    error,
+    cycle,
+    setPattern,
+    dirty,
+    log,
+    togglePlay,
+    setActiveCode,
+    activateCode,
+    activeCode,
+    pushLog,
+    hash,
+  };
+}
+
+/*
+cx.js - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/cx.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/>.
+*/
+
+function cx(...classes) {
+  // : Array<string | undefined>
+  return classes.filter(Boolean).join(' ');
+}
+
+let highlights = []; // actively highlighted events
+let lastEnd;
+
+function useHighlighting({ view, pattern, active }) {
+  useEffect(() => {
+    if (view) {
+      if (pattern && active) {
+        let frame = requestAnimationFrame(updateHighlights);
+
+        function updateHighlights() {
+          try {
+            const audioTime = Tone.getTransport().seconds;
+            // 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
+            const begin = Math.max(lastEnd || audioTime, audioTime - 1 / 10);
+            const span = [begin, audioTime + 1 / 60];
+            lastEnd = audioTime + 1 / 60;
+            highlights = highlights.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active
+            const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset());
+            highlights = highlights.concat(haps); // add potential new onsets
+            view.dispatch({ effects: setHighlights.of(highlights) }); // highlight all still active + new active haps
+          } catch (err) {
+            // console.log('error in updateHighlights', err);
+            view.dispatch({ effects: setHighlights.of([]) });
+          }
+          frame = requestAnimationFrame(updateHighlights);
+        }
+
+        return () => {
+          cancelAnimationFrame(frame);
+        };
+      } else {
+        highlights = [];
+        view.dispatch({ effects: setHighlights.of([]) });
+      }
+    }
+  }, [pattern, active, view]);
+}
+
+var tailwind = '';
+
+const container = "_container_3i85k_1";
+const header = "_header_3i85k_5";
+const buttons = "_buttons_3i85k_9";
+const button = "_button_3i85k_9";
+const buttonDisabled = "_buttonDisabled_3i85k_17";
+const error = "_error_3i85k_21";
+const body = "_body_3i85k_25";
+var styles = {
+	container: container,
+	header: header,
+	buttons: buttons,
+	button: button,
+	buttonDisabled: buttonDisabled,
+	error: error,
+	body: body
+};
+
+function Icon({ type }) {
+  return /* @__PURE__ */ React.createElement("svg", {
     xmlns: "http://www.w3.org/2000/svg",
     className: "sc-h-5 sc-w-5",
     viewBox: "0 0 20 20",
     fill: "currentColor"
   }, {
-    refresh: /* @__PURE__ */ n.createElement("path", {
+    refresh: /* @__PURE__ */ React.createElement("path", {
       fillRule: "evenodd",
       d: "M4 2a1 1 0 011 1v2.101a7.002 7.002 0 0111.601 2.566 1 1 0 11-1.885.666A5.002 5.002 0 005.999 7H9a1 1 0 010 2H4a1 1 0 01-1-1V3a1 1 0 011-1zm.008 9.057a1 1 0 011.276.61A5.002 5.002 0 0014.001 13H11a1 1 0 110-2h5a1 1 0 011 1v5a1 1 0 11-2 0v-2.101a7.002 7.002 0 01-11.601-2.566 1 1 0 01.61-1.276z",
       clipRule: "evenodd"
     }),
-    play: /* @__PURE__ */ n.createElement("path", {
+    play: /* @__PURE__ */ React.createElement("path", {
       fillRule: "evenodd",
       d: "M10 18a8 8 0 100-16 8 8 0 000 16zM9.555 7.168A1 1 0 008 8v4a1 1 0 001.555.832l3-2a1 1 0 000-1.664l-3-2z",
       clipRule: "evenodd"
     }),
-    pause: /* @__PURE__ */ n.createElement("path", {
+    pause: /* @__PURE__ */ React.createElement("path", {
       fillRule: "evenodd",
       d: "M18 10a8 8 0 11-16 0 8 8 0 0116 0zM7 8a1 1 0 012 0v4a1 1 0 11-2 0V8zm5-1a1 1 0 00-1 1v4a1 1 0 102 0V8a1 1 0 00-1-1z",
       clipRule: "evenodd"
     })
-  }[e]);
+  }[type]);
 }
-function ve({
-  defaultOutput: e,
-  interval: t,
-  getTime: o,
-  evalOnMount: a = !1,
-  initialCode: s = "",
-  autolink: m = !1,
-  beforeEval: l,
-  afterEval: d,
-  onEvalError: c,
-  onToggle: i
-}) {
-  const [g, v] = w(), [p, D] = w(), [h, k] = w(s), [y, P] = w(h), [z, _] = w(), [C, H] = w(!1), F = h !== y, { scheduler: u, evaluate: L, start: $, stop: G, pause: J } = I(
-    () => te({
-      interval: t,
-      defaultOutput: e,
-      onSchedulerError: v,
-      onEvalError: (f) => {
-        D(f), c?.(f);
-      },
-      getTime: o,
-      transpiler: re,
-      beforeEval: ({ code: f }) => {
-        k(f), l?.();
-      },
-      afterEval: ({ pattern: f, code: S }) => {
-        P(S), _(f), D(), v(), m && (window.location.hash = "#" + encodeURIComponent(btoa(S))), d?.();
-      },
-      onToggle: (f) => {
-        H(f), i?.(f);
-      }
-    }),
-    [e, t, o]
-  ), M = N(async (f = !0) => L(h, f), [L, h]), V = x();
-  return R(() => {
-    !V.current && a && h && (V.current = !0, M());
-  }, [M, a, h]), R(() => () => {
-    u.stop();
-  }, [u]), {
-    code: h,
-    setCode: k,
-    error: g || p,
-    schedulerError: g,
-    scheduler: u,
-    evalError: p,
-    evaluate: L,
-    activateCode: M,
-    activeCode: y,
-    isDirty: F,
-    pattern: z,
-    started: C,
-    start: $,
-    stop: G,
-    pause: J,
-    togglePlay: async () => {
-      C ? u.pause() : await M();
-    }
-  };
-}
-const be = () => ee().currentTime;
-function Pe({ tune: e, hideOutsideView: t = !1, init: o, enableKeyboard: a }) {
-  const {
-    code: s,
-    setCode: m,
-    evaluate: l,
-    activateCode: d,
-    error: c,
-    isDirty: i,
-    activeCode: g,
-    pattern: v,
-    started: p,
-    scheduler: D,
-    togglePlay: h,
-    stop: k
-  } = ve({
-    initialCode: e,
-    defaultOutput: Z,
-    getTime: be
-  }), [y, P] = w(), [z, _] = Y({
+
+function MiniRepl({ tune, hideOutsideView = false, init, onEvent, enableKeyboard }) {
+  const { code, setCode, pattern, activeCode, activateCode, evaluateOnly, error, cycle, dirty, togglePlay, stop } = useRepl({
+    tune,
+    autolink: false,
+    onEvent
+  });
+  useEffect(() => {
+    init && evaluateOnly();
+  }, [tune, init]);
+  const [view, setView] = useState();
+  const [ref, isVisible] = useInView({
     threshold: 0.01
-  }), C = x(), H = I(() => ((_ || !t) && (C.current = !0), _ || C.current), [_, t]);
-  return le({
-    view: y,
-    pattern: v,
-    active: p && !g?.includes("strudel disable-highlighting"),
-    getTime: () => D.getPhase()
-  }), K(() => {
-    if (a) {
-      const F = async (u) => {
-        (u.ctrlKey || u.altKey) && (u.code === "Enter" ? (u.preventDefault(), ae(y), await d()) : u.code === "Period" && (k(), u.preventDefault()));
-      };
-      return window.addEventListener("keydown", F, !0), () => window.removeEventListener("keydown", F, !0);
+  });
+  const wasVisible = useRef();
+  const show = useMemo(() => {
+    if (isVisible || !hideOutsideView) {
+      wasVisible.current = true;
     }
-  }, [a, v, s, l, k, y]), /* @__PURE__ */ n.createElement("div", {
-    className: b.container,
-    ref: z
-  }, /* @__PURE__ */ n.createElement("div", {
-    className: b.header
-  }, /* @__PURE__ */ n.createElement("div", {
-    className: b.buttons
-  }, /* @__PURE__ */ n.createElement("button", {
-    className: B(b.button, p ? "sc-animate-pulse" : ""),
-    onClick: () => h()
-  }, /* @__PURE__ */ n.createElement(q, {
-    type: p ? "pause" : "play"
-  })), /* @__PURE__ */ n.createElement("button", {
-    className: B(i ? b.button : b.buttonDisabled),
-    onClick: () => d()
-  }, /* @__PURE__ */ n.createElement(q, {
+    return isVisible || wasVisible.current;
+  }, [isVisible, hideOutsideView]);
+  useHighlighting({ view, pattern, active: cycle.started && !activeCode?.includes("strudel disable-highlighting") });
+  useLayoutEffect(() => {
+    if (enableKeyboard) {
+      const handleKeyPress = async (e) => {
+        if (e.ctrlKey || e.altKey) {
+          if (e.code === "Enter") {
+            e.preventDefault();
+            flash(view);
+            await activateCode();
+          } else if (e.code === "Period") {
+            cycle.stop();
+            e.preventDefault();
+          }
+        }
+      };
+      window.addEventListener("keydown", handleKeyPress, true);
+      return () => window.removeEventListener("keydown", handleKeyPress, true);
+    }
+  }, [enableKeyboard, pattern, code, activateCode, cycle, view]);
+  return /* @__PURE__ */ React.createElement("div", {
+    className: styles.container,
+    ref
+  }, /* @__PURE__ */ React.createElement("div", {
+    className: styles.header
+  }, /* @__PURE__ */ React.createElement("div", {
+    className: styles.buttons
+  }, /* @__PURE__ */ React.createElement("button", {
+    className: cx(styles.button, cycle.started ? "sc-animate-pulse" : ""),
+    onClick: () => togglePlay()
+  }, /* @__PURE__ */ React.createElement(Icon, {
+    type: cycle.started ? "pause" : "play"
+  })), /* @__PURE__ */ React.createElement("button", {
+    className: cx(dirty ? styles.button : styles.buttonDisabled),
+    onClick: () => activateCode()
+  }, /* @__PURE__ */ React.createElement(Icon, {
     type: "refresh"
-  }))), c && /* @__PURE__ */ n.createElement("div", {
-    className: b.error
-  }, c.message)), /* @__PURE__ */ n.createElement("div", {
-    className: b.body
-  }, H && /* @__PURE__ */ n.createElement(ie, {
-    value: s,
-    onChange: m,
-    onViewChanged: P
+  }))), error && /* @__PURE__ */ React.createElement("div", {
+    className: styles.error
+  }, error.message)), /* @__PURE__ */ React.createElement("div", {
+    className: styles.body
+  }, show && /* @__PURE__ */ React.createElement(CodeMirror, {
+    value: code,
+    onChange: setCode,
+    onViewChanged: setView
   })));
 }
-function ze(e) {
-  return R(() => (window.addEventListener("message", e), () => window.removeEventListener("message", e)), [e]), N((t) => window.postMessage(t, "*"), []);
+
+/*
+useWebMidi.js - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/useWebMidi.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/>.
+*/
+
+function useWebMidi(props) {
+  const { ready, connected, disconnected } = props;
+  const [loading, setLoading] = useState(true);
+  const [outputs, setOutputs] = useState(WebMidi?.outputs || []);
+  useEffect(() => {
+    enableWebMidi()
+      .then(() => {
+        // Reacting when a new device becomes available
+        WebMidi.addListener('connected', (e) => {
+          setOutputs([...WebMidi.outputs]);
+          connected?.(WebMidi, e);
+        });
+        // Reacting when a device becomes unavailable
+        WebMidi.addListener('disconnected', (e) => {
+          setOutputs([...WebMidi.outputs]);
+          disconnected?.(WebMidi, e);
+        });
+        ready?.(WebMidi);
+        setLoading(false);
+      })
+      .catch((err) => {
+        if (err) {
+          console.error(err);
+          //throw new Error("Web Midi could not be enabled...");
+          console.warn('Web Midi could not be enabled..');
+          return;
+        }
+      });
+  }, [ready, connected, disconnected, outputs]);
+  const outputByName = (name) => WebMidi.getOutputByName(name);
+  return { loading, outputs, outputByName };
 }
-const He = (e) => K(() => (window.addEventListener("keydown", e, !0), () => window.removeEventListener("keydown", e, !0)), [e]);
-export {
-  ie as CodeMirror,
-  Pe as MiniRepl,
-  B as cx,
-  ae as flash,
-  le as useHighlighting,
-  He as useKeydown,
-  ze as usePostMessage,
-  ve as useStrudel
-};
+
+export { CodeMirror, MiniRepl, cx, flash, useCycle, useHighlighting, usePostMessage, useRepl, useWebMidi };

packages/react/dist/style.css

@@ -1 +1 @@
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packages/react/examples/nano-repl/.gitignore

@@ -1,24 +0,0 @@
-# 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?

packages/react/examples/nano-repl/dist/assets/index.75f8960b.css

@@ -1 +0,0 @@
-.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}

packages/react/examples/nano-repl/dist/assets/index.e7ac54e9.js

@@ -1 +0,0 @@
-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};

packages/react/examples/nano-repl/dist/assets/serial.b42b098c.js

@@ -1 +0,0 @@
-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};

packages/react/examples/nano-repl/dist/index.html

@@ -1,14 +0,0 @@
-<!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>

packages/react/examples/nano-repl/index.html

@@ -1,12 +0,0 @@
-<!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>

packages/react/examples/nano-repl/package.json

@@ -1,24 +0,0 @@
-{
-  "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"
-  }
-}

packages/react/examples/nano-repl/src/App.jsx

@@ -1,139 +0,0 @@
-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.getPhase(),
-  });
-
-  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;

packages/react/examples/nano-repl/src/main.jsx

@@ -1,9 +0,0 @@
-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>,
-);

packages/react/examples/nano-repl/src/style.css

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

packages/react/examples/nano-repl/tailwind.config.cjs

@@ -1,14 +0,0 @@
-/*
-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: [],
-};

packages/react/examples/nano-repl/vite.config.js

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

packages/react/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/react",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "React components for strudel",
   "main": "dist/index.cjs.js",
   "module": "dist/index.es.js",
@@ -17,7 +17,6 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
-    "watch": "vite build --watch",
     "preview": "vite preview"
   },
   "repository": {
@@ -38,13 +37,12 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@codemirror/lang-javascript": "^6.1.1",
-    "@strudel.cycles/core": "^0.4.0",
-    "@strudel.cycles/tone": "^0.4.0",
-    "@strudel.cycles/transpiler": "^0.4.0",
-    "@strudel.cycles/webaudio": "^0.4.0",
-    "@uiw/codemirror-themes": "^4.12.4",
-    "@uiw/react-codemirror": "^4.12.4",
+    "@codemirror/lang-javascript": "^6.0.2",
+    "@strudel.cycles/core": "^0.2.0",
+    "@strudel.cycles/eval": "^0.2.0",
+    "@strudel.cycles/tone": "^0.2.0",
+    "@uiw/codemirror-themes": "^4.11.4",
+    "@uiw/react-codemirror": "^4.11.4",
     "react-hook-inview": "^4.5.0"
   },
   "peerDependencies": {
@@ -54,12 +52,12 @@
   "devDependencies": {
     "@types/react": "^17.0.2",
     "@types/react-dom": "^17.0.2",
-    "@vitejs/plugin-react": "^2.2.0",
+    "@vitejs/plugin-react": "^1.3.0",
     "autoprefixer": "^10.4.7",
-    "postcss": "^8.4.18",
+    "postcss": "^8.4.13",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "tailwindcss": "^3.0.24",
-    "vite": "^3.2.2"
+    "vite": "^2.9.9"
   }
 }

packages/react/src/App.jsx

@@ -1,12 +1,11 @@
 import React from 'react';
 import { MiniRepl } from './components/MiniRepl';
 import 'tailwindcss/tailwind.css';
-import { controls, evalScope } from '@strudel.cycles/core';
+import { evalScope } from '@strudel.cycles/eval';
 
 evalScope(
-  controls,
   import('@strudel.cycles/core'),
-  // import('@strudel.cycles/tone'),
+  import('@strudel.cycles/tone'),
   import('@strudel.cycles/tonal'),
   import('@strudel.cycles/mini'),
   import('@strudel.cycles/midi'),

packages/react/src/components/MiniRepl.jsx

@@ -1,5 +1,6 @@
 import React, { useState, useMemo, useRef, useEffect, useLayoutEffect } from 'react';
 import { useInView } from 'react-hook-inview';
+import useRepl from '../hooks/useRepl.mjs';
 import cx from '../cx';
 import useHighlighting from '../hooks/useHighlighting.mjs';
 import CodeMirror6, { flash } from './CodeMirror6';
@@ -7,33 +8,17 @@ import 'tailwindcss/tailwind.css';
 import './style.css';
 import styles from './MiniRepl.module.css';
 import { Icon } from './Icon';
-import { getAudioContext, webaudioOutput } from '@strudel.cycles/webaudio';
-import useStrudel from '../hooks/useStrudel.mjs';
 
-const getTime = () => getAudioContext().currentTime;
-
-export function MiniRepl({ tune, hideOutsideView = false, init, enableKeyboard }) {
-  const {
-    code,
-    setCode,
-    evaluate,
-    activateCode,
-    error,
-    isDirty,
-    activeCode,
-    pattern,
-    started,
-    scheduler,
-    togglePlay,
-    stop,
-  } = useStrudel({
-    initialCode: tune,
-    defaultOutput: webaudioOutput,
-    getTime,
-  });
-  /*   useEffect(() => {
-    init && activateCode();
-  }, [init, activateCode]); */
+export function MiniRepl({ tune, hideOutsideView = false, init, onEvent, enableKeyboard }) {
+  const { code, setCode, pattern, activeCode, activateCode, evaluateOnly, error, cycle, dirty, togglePlay, stop } =
+    useRepl({
+      tune,
+      autolink: false,
+      onEvent,
+    });
+  useEffect(() => {
+    init && evaluateOnly();
+  }, [tune, init]);
   const [view, setView] = useState();
   const [ref, isVisible] = useInView({
     threshold: 0.01,
@@ -45,12 +30,7 @@ export function MiniRepl({ tune, hideOutsideView = false, init, enableKeyboard }
     }
     return isVisible || wasVisible.current;
   }, [isVisible, hideOutsideView]);
-  useHighlighting({
-    view,
-    pattern,
-    active: started && !activeCode?.includes('strudel disable-highlighting'),
-    getTime: () => scheduler.getPhase(),
-  });
+  useHighlighting({ view, pattern, active: cycle.started && !activeCode?.includes('strudel disable-highlighting') });
 
   // set active pattern on ctrl+enter
   useLayoutEffect(() => {
@@ -62,7 +42,7 @@ export function MiniRepl({ tune, hideOutsideView = false, init, enableKeyboard }
             flash(view);
             await activateCode();
           } else if (e.code === 'Period') {
-            stop();
+            cycle.stop();
             e.preventDefault();
           }
         }
@@ -70,16 +50,16 @@ export function MiniRepl({ tune, hideOutsideView = false, init, enableKeyboard }
       window.addEventListener('keydown', handleKeyPress, true);
       return () => window.removeEventListener('keydown', handleKeyPress, true);
     }
-  }, [enableKeyboard, pattern, code, evaluate, stop, view]);
+  }, [enableKeyboard, pattern, code, activateCode, cycle, view]);
 
   return (
     <div className={styles.container} ref={ref}>
       <div className={styles.header}>
         <div className={styles.buttons}>
-          <button className={cx(styles.button, started ? 'sc-animate-pulse' : '')} onClick={() => togglePlay()}>
-            <Icon type={started ? 'pause' : 'play'} />
+          <button className={cx(styles.button, cycle.started ? 'sc-animate-pulse' : '')} onClick={() => togglePlay()}>
+            <Icon type={cycle.started ? 'pause' : 'play'} />
           </button>
-          <button className={cx(isDirty ? styles.button : styles.buttonDisabled)} onClick={() => activateCode()}>
+          <button className={cx(dirty ? styles.button : styles.buttonDisabled)} onClick={() => activateCode()}>
             <Icon type="refresh" />
           </button>
         </div>

packages/react/src/components/style.css

@@ -2,7 +2,7 @@
   background-color: transparent !important;
   height: 100%;
   z-index: 11;
-  font-size: 18px;
+  font-size: 16px;
 }
 
 .cm-theme-light {

packages/react/src/hooks/useCycle.mjs

@@ -0,0 +1,86 @@
+/*
+useCycle.mjs - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/useCycle.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 { useEffect, useState } from 'react';
+import { Tone } from '@strudel.cycles/tone';
+import { State, TimeSpan } from '@strudel.cycles/core';
+
+/* export declare interface UseCycleProps {
+  onEvent: ToneEventCallback<any>;
+  onQuery?: (state: State) => Hap[];
+  onSchedule?: (events: Hap[], cycle: number) => void;
+  onDraw?: ToneEventCallback<any>;
+  ready?: boolean; // if false, query will not be called on change props
+} */
+
+// function useCycle(props: UseCycleProps) {
+function useCycle(props) {
+  // onX must use useCallback!
+  const { onEvent, onQuery, onSchedule, ready = true, onDraw } = props;
+  const [started, setStarted] = useState(false);
+  const cycleDuration = 1;
+  const activeCycle = () => Math.floor(Tone.getTransport().seconds / cycleDuration);
+
+  // pull events with onQuery + count up to next cycle
+  const query = (cycle = activeCycle()) => {
+    const timespan = new TimeSpan(cycle, cycle + 1);
+    const events = onQuery?.(new State(timespan)) || [];
+    onSchedule?.(events, cycle);
+    // cancel events after current query. makes sure no old events are player for rescheduled cycles
+    // console.log('schedule', cycle);
+    // query next cycle in the middle of the current
+    const cancelFrom = timespan.begin.valueOf();
+    Tone.getTransport().cancel(cancelFrom);
+    // const queryNextTime = (cycle + 1) * cycleDuration - 0.1;
+    const queryNextTime = (cycle + 1) * cycleDuration - 0.5;
+
+    // if queryNextTime would be before current time, execute directly (+0.1 for safety that it won't miss)
+    const t = Math.max(Tone.getTransport().seconds, queryNextTime) + 0.1;
+    Tone.getTransport().schedule(() => {
+      query(cycle + 1);
+    }, t);
+
+    // schedule events for next cycle
+    events
+      ?.filter((event) => event.part.begin.equals(event.whole?.begin))
+      .forEach((event) => {
+        Tone.getTransport().schedule((time) => {
+          onEvent(time, event, Tone.getContext().currentTime);
+          Tone.Draw.schedule(() => {
+            // do drawing or DOM manipulation here
+            onDraw?.(time, event);
+          }, time);
+        }, event.part.begin.valueOf());
+      });
+  };
+
+  useEffect(() => {
+    ready && query();
+  }, [onEvent, onSchedule, onQuery, onDraw, ready]);
+
+  const start = async () => {
+    setStarted(true);
+    await Tone.start();
+    Tone.getTransport().start('+0.1');
+  };
+  const stop = () => {
+    Tone.getTransport().pause();
+    setStarted(false);
+  };
+  const toggle = () => (started ? stop() : start());
+  return {
+    start,
+    stop,
+    onEvent,
+    started,
+    setStarted,
+    toggle,
+    query,
+    activeCycle,
+  };
+}
+
+export default useCycle;

packages/react/src/hooks/useHighlighting.mjs

@@ -1,9 +1,11 @@
-import { useEffect, useRef } from 'react';
+import { useEffect } from 'react';
 import { setHighlights } from '../components/CodeMirror6';
+import { Tone } from '@strudel.cycles/tone';
 
-function useHighlighting({ view, pattern, active, getTime }) {
-  const highlights = useRef([]);
-  const lastEnd = useRef();
+let highlights = []; // actively highlighted events
+let lastEnd;
+
+function useHighlighting({ view, pattern, active }) {
   useEffect(() => {
     if (view) {
       if (pattern && active) {
@@ -11,17 +13,18 @@ function useHighlighting({ view, pattern, active, getTime }) {
 
         function updateHighlights() {
           try {
-            const audioTime = getTime();
+            const audioTime = Tone.getTransport().seconds;
             // 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
-            const begin = Math.max(lastEnd.current || audioTime, audioTime - 1 / 10, 0); // negative time seems buggy
+            const begin = Math.max(lastEnd || audioTime, audioTime - 1 / 10);
             const span = [begin, audioTime + 1 / 60];
-            lastEnd.current = span[1];
-            highlights.current = highlights.current.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active
+            lastEnd = audioTime + 1 / 60;
+            highlights = highlights.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active
             const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset());
-            highlights.current = highlights.current.concat(haps); // add potential new onsets
-            view.dispatch({ effects: setHighlights.of(highlights.current) }); // highlight all still active + new active haps
+            highlights = highlights.concat(haps); // add potential new onsets
+            view.dispatch({ effects: setHighlights.of(highlights) }); // highlight all still active + new active haps
           } catch (err) {
+            // console.log('error in updateHighlights', err);
             view.dispatch({ effects: setHighlights.of([]) });
           }
           frame = requestAnimationFrame(updateHighlights);
@@ -31,7 +34,7 @@ function useHighlighting({ view, pattern, active, getTime }) {
           cancelAnimationFrame(frame);
         };
       } else {
-        highlights.current = [];
+        highlights = [];
         view.dispatch({ effects: setHighlights.of([]) });
       }
     }

packages/react/src/hooks/useKeydown.mjs

@@ -1,10 +0,0 @@
-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;

packages/react/src/hooks/useRepl.mjs

@@ -0,0 +1,150 @@
+/*
+useRepl.mjs - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/useRepl.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 { useCallback, useState, useMemo } from 'react';
+import { evaluate } from '@strudel.cycles/eval';
+import useCycle from './useCycle.mjs';
+import usePostMessage from './usePostMessage.mjs';
+import { webaudioOutputTrigger } from '@strudel.cycles/webaudio';
+
+let s4 = () => {
+  return Math.floor((1 + Math.random()) * 0x10000)
+    .toString(16)
+    .substring(1);
+};
+const generateHash = (code) => encodeURIComponent(btoa(code));
+
+function useRepl({ tune, autolink = true, onEvent, onDraw: onDrawProp }) {
+  const id = useMemo(() => s4(), []);
+  const [code, setCode] = useState(tune);
+  const [activeCode, setActiveCode] = useState();
+  const [log, setLog] = useState('');
+  const [error, setError] = useState();
+  const [pending, setPending] = useState(false);
+  const [hash, setHash] = useState('');
+  const [pattern, setPattern] = useState();
+  const dirty = useMemo(() => code !== activeCode || error, [code, activeCode, error]);
+  const pushLog = useCallback((message) => setLog((log) => log + `${log ? '\n\n' : ''}${message}`), []);
+
+  // below block allows disabling the highlighting by including "strudel disable-highlighting" in the code (as comment)
+  const onDraw = useMemo(() => {
+    if (activeCode && !activeCode.includes('strudel disable-highlighting')) {
+      return (time, event) => onDrawProp?.(time, event, activeCode);
+    }
+  }, [activeCode, onDrawProp]);
+
+  const hideHeader = useMemo(() => activeCode && activeCode.includes('strudel hide-header'), [activeCode]);
+  const hideConsole = useMemo(() => activeCode && activeCode.includes('strudel hide-console'), [activeCode]);
+  // cycle hook to control scheduling
+  const cycle = useCycle({
+    onDraw,
+    onEvent: useCallback(
+      (time, event, currentTime) => {
+        try {
+          onEvent?.(event);
+          if (event.context.logs?.length) {
+            event.context.logs.forEach(pushLog);
+          }
+          const { onTrigger = webaudioOutputTrigger } = event.context;
+          onTrigger(time, event, currentTime, 1 /* cps */);
+        } catch (err) {
+          console.warn(err);
+          err.message = 'unplayable event: ' + err?.message;
+          pushLog(err.message); // not with setError, because then we would have to setError(undefined) on next playable event
+        }
+      },
+      [onEvent, pushLog],
+    ),
+    onQuery: useCallback(
+      (state) => {
+        try {
+          return pattern?.query(state) || [];
+        } catch (err) {
+          console.warn(err);
+          err.message = 'query error: ' + err.message;
+          setError(err);
+          return [];
+        }
+      },
+      [pattern],
+    ),
+    onSchedule: useCallback((_events, cycle) => logCycle(_events, cycle), []),
+    ready: !!pattern && !!activeCode,
+  });
+
+  const broadcast = usePostMessage(({ data: { from, type } }) => {
+    if (type === 'start' && from !== id) {
+      // console.log('message', from, type);
+      cycle.setStarted(false);
+      setActiveCode(undefined);
+    }
+  });
+
+  const activateCode = useCallback(
+    async (_code = code) => {
+      if (activeCode && !dirty) {
+        setError(undefined);
+        cycle.start();
+        return;
+      }
+      try {
+        setPending(true);
+        const parsed = await evaluate(_code);
+        cycle.start();
+        broadcast({ type: 'start', from: id });
+        setPattern(() => parsed.pattern);
+        if (autolink) {
+          window.location.hash = '#' + encodeURIComponent(btoa(code));
+        }
+        setHash(generateHash(code));
+        setError(undefined);
+        setActiveCode(_code);
+        setPending(false);
+      } catch (err) {
+        err.message = 'evaluation error: ' + err.message;
+        console.warn(err);
+        setError(err);
+      }
+    },
+    [activeCode, dirty, code, cycle, autolink, id, broadcast],
+  );
+  // logs events of cycle
+  const logCycle = (_events, cycle) => {
+    if (_events.length) {
+      // pushLog(`# cycle ${cycle}\n` + _events.map((e: any) => e.show()).join('\n'));
+    }
+  };
+
+  const togglePlay = () => {
+    if (!cycle.started) {
+      activateCode();
+    } else {
+      cycle.stop();
+    }
+  };
+
+  return {
+    hideHeader,
+    hideConsole,
+    pending,
+    code,
+    setCode,
+    pattern,
+    error,
+    cycle,
+    setPattern,
+    dirty,
+    log,
+    togglePlay,
+    setActiveCode,
+    activateCode,
+    activeCode,
+    pushLog,
+    hash,
+  };
+}
+
+export default useRepl;

packages/react/src/hooks/useStrudel.mjs

@@ -1,105 +0,0 @@
-import { useRef, useCallback, useEffect, useMemo, useState } from 'react';
-import { repl } from '@strudel.cycles/core';
-import { transpiler } from '@strudel.cycles/transpiler';
-
-function useStrudel({
-  defaultOutput,
-  interval,
-  getTime,
-  evalOnMount = false,
-  initialCode = '',
-  autolink = false,
-  beforeEval,
-  afterEval,
-  onEvalError,
-  onToggle,
-}) {
-  // scheduler
-  const [schedulerError, setSchedulerError] = useState();
-  const [evalError, setEvalError] = useState();
-  const [code, setCode] = useState(initialCode);
-  const [activeCode, setActiveCode] = useState(code);
-  const [pattern, setPattern] = useState();
-  const [started, setStarted] = useState(false);
-  const isDirty = code !== activeCode;
-
-  // TODO: make sure this hook reruns when scheduler.started changes
-  const { scheduler, evaluate, start, stop, pause } = useMemo(
-    () =>
-      repl({
-        interval,
-        defaultOutput,
-        onSchedulerError: setSchedulerError,
-        onEvalError: (err) => {
-          setEvalError(err);
-          onEvalError?.(err);
-        },
-        getTime,
-        transpiler,
-        beforeEval: ({ code }) => {
-          setCode(code);
-          beforeEval?.();
-        },
-        afterEval: ({ pattern: _pattern, code }) => {
-          setActiveCode(code);
-          setPattern(_pattern);
-          setEvalError();
-          setSchedulerError();
-          if (autolink) {
-            window.location.hash = '#' + encodeURIComponent(btoa(code));
-          }
-          afterEval?.();
-        },
-        onToggle: (v) => {
-          setStarted(v);
-          onToggle?.(v);
-        },
-      }),
-    [defaultOutput, interval, getTime],
-  );
-  const activateCode = useCallback(async (autostart = true) => evaluate(code, autostart), [evaluate, code]);
-
-  const inited = useRef();
-  useEffect(() => {
-    if (!inited.current && evalOnMount && code) {
-      inited.current = true;
-      activateCode();
-    }
-  }, [activateCode, evalOnMount, code]);
-
-  // this will stop the scheduler when hot reloading in development
-  useEffect(() => {
-    return () => {
-      scheduler.stop();
-    };
-  }, [scheduler]);
-
-  const togglePlay = async () => {
-    if (started) {
-      scheduler.pause();
-    } else {
-      await activateCode();
-    }
-  };
-  const error = schedulerError || evalError;
-  return {
-    code,
-    setCode,
-    error,
-    schedulerError,
-    scheduler,
-    evalError,
-    evaluate,
-    activateCode,
-    activeCode,
-    isDirty,
-    pattern,
-    started,
-    start,
-    stop,
-    pause,
-    togglePlay,
-  };
-}
-
-export default useStrudel;

packages/react/src/hooks/useWebMidi.mjs

@@ -0,0 +1,41 @@
+/*
+useWebMidi.js - <short description TODO>
+Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/useWebMidi.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/>.
+*/
+
+import { useEffect, useState } from 'react';
+import { enableWebMidi, WebMidi } from '@strudel.cycles/midi'
+
+export function useWebMidi(props) {
+  const { ready, connected, disconnected } = props;
+  const [loading, setLoading] = useState(true);
+  const [outputs, setOutputs] = useState(WebMidi?.outputs || []);
+  useEffect(() => {
+    enableWebMidi()
+      .then(() => {
+        // Reacting when a new device becomes available
+        WebMidi.addListener('connected', (e) => {
+          setOutputs([...WebMidi.outputs]);
+          connected?.(WebMidi, e);
+        });
+        // Reacting when a device becomes unavailable
+        WebMidi.addListener('disconnected', (e) => {
+          setOutputs([...WebMidi.outputs]);
+          disconnected?.(WebMidi, e);
+        });
+        ready?.(WebMidi);
+        setLoading(false);
+      })
+      .catch((err) => {
+        if (err) {
+          console.error(err);
+          //throw new Error("Web Midi could not be enabled...");
+          console.warn('Web Midi could not be enabled..');
+          return;
+        }
+      });
+  }, [ready, connected, disconnected, outputs]);
+  const outputByName = (name) => WebMidi.getOutputByName(name);
+  return { loading, outputs, outputByName };
+}

packages/react/src/index.js

@@ -2,8 +2,9 @@
 
 export { default as CodeMirror, flash } from './components/CodeMirror6';
 export * from './components/MiniRepl';
+export { default as useCycle } from './hooks/useCycle';
 export { default as useHighlighting } from './hooks/useHighlighting';
 export { default as usePostMessage } from './hooks/usePostMessage';
-export { default as useStrudel } from './hooks/useStrudel';
-export { default as useKeydown } from './hooks/useKeydown';
+export { default as useRepl } from './hooks/useRepl';
 export { default as cx } from './cx';
+export { useWebMidi } from './hooks/useWebMidi';

packages/react/src/themes/strudel-theme.js

@@ -8,36 +8,28 @@ export default createTheme({
     caret: '#ffcc00',
     selection: 'rgba(128, 203, 196, 0.5)',
     selectionMatch: '#036dd626',
-    // lineHighlight: '#8a91991a', // original
-    lineHighlight: '#00000050',
+    lineHighlight: '#8a91991a',
     gutterBackground: 'transparent',
     // gutterForeground: '#8a919966',
-    gutterForeground: '#8a919966',
+    gutterForeground: '#676e95',
   },
   styles: [
     { tag: t.keyword, color: '#c792ea' },
     { tag: t.operator, color: '#89ddff' },
     { tag: t.special(t.variableName), color: '#eeffff' },
-    // { tag: t.typeName, color: '#f07178' }, // original
-    { tag: t.typeName, color: '#c3e88d' },
+    { tag: t.typeName, color: '#f07178' },
     { tag: t.atom, color: '#f78c6c' },
-    // { tag: t.number, color: '#ff5370' }, // original
-    { tag: t.number, color: '#c3e88d' },
+    { tag: t.number, color: '#ff5370' },
     { tag: t.definition(t.variableName), color: '#82aaff' },
     { tag: t.string, color: '#c3e88d' },
-    //     { tag: t.special(t.string), color: '#f07178' }, // original
-    { tag: t.special(t.string), color: '#c3e88d' },
+    { tag: t.special(t.string), color: '#f07178' },
     { tag: t.comment, color: '#7d8799' },
-    // { tag: t.variableName, color: '#f07178' }, // original
-    { tag: t.variableName, color: '#c792ea' },
-    // { tag: t.tagName, color: '#ff5370' }, // original
-    { tag: t.tagName, color: '#c3e88d' },
-    { tag: t.bracket, color: '#525154' },
-    // { tag: t.bracket, color: '#a2a1a4' }, // original
+    { tag: t.variableName, color: '#f07178' },
+    { tag: t.tagName, color: '#ff5370' },
+    { tag: t.bracket, color: '#a2a1a4' },
     { tag: t.meta, color: '#ffcb6b' },
     { tag: t.attributeName, color: '#c792ea' },
     { tag: t.propertyName, color: '#c792ea' },
-
     { tag: t.className, color: '#decb6b' },
     { tag: t.invalid, color: '#ffffff' },
   ],

packages/react/vite.config.js

@@ -24,9 +24,8 @@ export default defineConfig({
         // TODO: find out which of below names are obsolete now
         '@strudel.cycles/tone',
         '@strudel.cycles/eval',
-        '@strudel.cycles/transpiler',
-        'acorn',
         '@strudel.cycles/core',
+        '@strudel.cycles/core/util.mjs',
         '@strudel.cycles/mini',
         '@strudel.cycles/tonal',
         '@strudel.cycles/midi',

packages/serial/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/serial",
-  "version": "0.2.0",
+  "version": "0.1.3",
   "description": "Webserial API for strudel",
   "main": "serial.mjs",
   "repository": {

packages/serial/serial.mjs

@@ -9,7 +9,7 @@ import { Pattern, isPattern } from '@strudel.cycles/core';
 var serialWriter;
 var choosing = false;
 
-export async function getWriter(br = 38400) {
+export async function getWriter(br=38400) {
   if (choosing) {
     return;
   }
@@ -24,10 +24,11 @@ export async function getWriter(br = 38400) {
     const writableStreamClosed = textEncoder.readable.pipeTo(port.writable);
     const writer = textEncoder.writable.getWriter();
     serialWriter = function (message) {
-      writer.write(message);
-    };
-  } else {
-    throw 'Webserial is not available in this browser.';
+      writer.write(message)
+    }
+  }
+  else {
+    throw('Webserial is not available in this browser.')
   }
 }
 
@@ -39,7 +40,7 @@ Pattern.prototype.serial = function (...args) {
       getWriter(...args);
     }
     const onTrigger = (time, hap, currentTime) => {
-      var message = '';
+      var message = "";
       if (typeof hap.value === 'object') {
         if ('action' in hap.value) {
           message += hap.value['action'] + '(';
@@ -50,23 +51,26 @@ Pattern.prototype.serial = function (...args) {
             }
             if (first) {
               first = false;
-            } else {
-              message += ',';
             }
-            message += `${key}:${val}`;
+            else {
+              message +=',';
+            }
+            message += `${key}:${val}`
           }
           message += ')';
-        } else {
+        }
+        else {
           for (const [key, val] of Object.entries(hap.value)) {
-            message += `${key}:${val};`;
+            message += `${key}:${val};`
           }
         }
-      } else {
+      }
+      else {
         message = hap.value;
       }
       const offset = (time - currentTime + latency) * 1000;
       window.setTimeout(serialWriter, offset, message);
     };
-    return hap.setContext({ ...hap.context, onTrigger, dominantTrigger: true });
+    return hap.setContext({ ...hap.context, onTrigger });
   });
 };

packages/soundfonts/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/soundfonts",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {

packages/soundfonts/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/soundfonts",
-  "version": "0.4.0",
+  "version": "0.2.1",
   "description": "Soundsfont support for strudel",
   "main": "index.mjs",
   "type": "module",
@@ -22,8 +22,8 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@strudel.cycles/core": "^0.4.0",
-    "@strudel.cycles/webaudio": "^0.4.0",
+    "@strudel.cycles/core": "^0.2.0",
+    "@strudel.cycles/webaudio": "^0.2.0",
     "sfumato": "^0.1.2",
     "soundfont2": "^0.4.0"
   },

packages/tonal/package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@strudel.cycles/tonal",
-	"version": "0.4.0",
+	"version": "0.2.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {

packages/tonal/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/tonal",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "Tonal functions for strudel",
   "main": "index.mjs",
   "type": "module",
@@ -25,9 +25,8 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@strudel.cycles/core": "^0.4.0",
+    "@strudel.cycles/core": "^0.2.0",
     "@tonaljs/tonal": "^4.6.5",
-    "chord-voicings": "^0.0.1",
-    "webmidi": "^3.0.21"
+    "webmidi": "^3.0.15"
   }
 }

packages/tone/draw.mjs

@@ -4,7 +4,8 @@ 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/>.
 */
 
-import { Pattern, getTime } from './index.mjs';
+import { Tone } from './tone.mjs';
+import { Pattern } from '@strudel.cycles/core';
 
 export const getDrawContext = (id = 'test-canvas') => {
   let canvas = document.querySelector('#' + id);
@@ -27,7 +28,7 @@ Pattern.prototype.draw = function (callback, { from, to, onQuery }) {
   let cycle,
     events = [];
   const animate = (time) => {
-    const t = getTime();
+    const t = Tone.getTransport().seconds;
     if (from !== undefined && to !== undefined) {
       const currentCycle = Math.floor(t);
       if (cycle !== currentCycle) {
@@ -49,9 +50,9 @@ Pattern.prototype.draw = function (callback, { from, to, onQuery }) {
   return this;
 };
 
-export const cleanupDraw = (clearScreen = true) => {
+export const cleanupDraw = () => {
   const ctx = getDrawContext();
-  clearScreen && ctx.clearRect(0, 0, window.innerWidth, window.innerHeight);
+  ctx.clearRect(0, 0, window.innerWidth, window.innerHeight);
   if (window.strudelAnimation) {
     cancelAnimationFrame(window.strudelAnimation);
   }

packages/tone/index.mjs

@@ -1 +1,5 @@
+import './pianoroll.mjs';
+
 export * from './tone.mjs';
+export * from './draw.mjs';
+export * from './ui.mjs';

packages/tone/package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "@strudel.cycles/tone",
-	"version": "0.4.0",
+	"version": "0.2.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {

packages/tone/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@strudel.cycles/tone",
-  "version": "0.4.0",
+  "version": "0.2.0",
   "description": "Tone.js API for strudel",
   "main": "index.mjs",
   "type": "module",
@@ -22,7 +22,9 @@
   },
   "homepage": "https://github.com/tidalcycles/strudel#readme",
   "dependencies": {
-    "@strudel.cycles/core": "^0.4.0",
+    "@strudel.cycles/core": "^0.2.0",
+    "@tonejs/piano": "^0.2.1",
+    "chord-voicings": "^0.0.1",
     "tone": "^14.7.77"
   }
 }

packages/tone/pianoroll.mjs

@@ -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/>.
 */
 
-import { Pattern } from './index.mjs';
+import { Pattern } from '@strudel.cycles/core';
 
 const scale = (normalized, min, max) => normalized * (max - min) + min;
 const getValue = (e) => {

packages/tone/tone.mjs

@@ -30,6 +30,8 @@ const {
   getDestination,
   Players,
 } = Tone;
+import * as tonePiano from '@tonejs/piano';
+const { Piano } = tonePiano;
 import { getPlayableNoteValue } from '@strudel.cycles/core/util.mjs';
 
 // "balanced" | "interactive" | "playback";
@@ -50,29 +52,36 @@ export const getDefaultSynth = () => {
 
 // with this function, you can play the pattern with any tone synth
 Pattern.prototype.tone = function (instrument) {
-  return this.onTrigger((time, hap) => {
-    let note;
-    let velocity = hap.context?.velocity ?? 0.75;
-    if (instrument instanceof PluckSynth) {
-      note = getPlayableNoteValue(hap);
-      instrument.triggerAttack(note, time);
-    } else if (instrument instanceof NoiseSynth) {
-      instrument.triggerAttackRelease(hap.duration.valueOf(), time); // noise has no value
-    } else if (instrument instanceof Sampler) {
-      note = getPlayableNoteValue(hap);
-      instrument.triggerAttackRelease(note, hap.duration.valueOf(), time, velocity);
-    } else if (instrument instanceof Players) {
-      if (!instrument.has(hap.value)) {
-        throw new Error(`name "${hap.value}" not defined for players`);
+  return this._withHap((hap) => {
+    const onTrigger = (time, hap) => {
+      let note;
+      let velocity = hap.context?.velocity ?? 0.75;
+      if (instrument instanceof PluckSynth) {
+        note = getPlayableNoteValue(hap);
+        instrument.triggerAttack(note, time);
+      } else if (instrument instanceof NoiseSynth) {
+        instrument.triggerAttackRelease(hap.duration.valueOf(), time); // noise has no value
+      } else if (instrument instanceof Piano) {
+        note = getPlayableNoteValue(hap);
+        instrument.keyDown({ note, time, velocity });
+        instrument.keyUp({ note, time: time + hap.duration.valueOf(), velocity });
+      } else if (instrument instanceof Sampler) {
+        note = getPlayableNoteValue(hap);
+        instrument.triggerAttackRelease(note, hap.duration.valueOf(), time, velocity);
+      } else if (instrument instanceof Players) {
+        if (!instrument.has(hap.value)) {
+          throw new Error(`name "${hap.value}" not defined for players`);
+        }
+        const player = instrument.player(hap.value);
+        // velocity ?
+        player.start(time);
+        player.stop(time + hap.duration.valueOf());
+      } else {
+        note = getPlayableNoteValue(hap);
+        instrument.triggerAttackRelease(note, hap.duration.valueOf(), time, velocity);
       }
-      const player = instrument.player(hap.value);
-      // velocity ?
-      player.start(time);
-      player.stop(time + hap.duration.valueOf());
-    } else {
-      note = getPlayableNoteValue(hap);
-      instrument.triggerAttackRelease(note, hap.duration.valueOf(), time, velocity);
-    }
+    };
+    return hap.setContext({ ...hap.context, instrument, onTrigger });
   });
 };
 
@@ -101,6 +110,11 @@ export const players = (options, baseUrl = '') => {
   });
 };
 export const synth = (options) => new Synth(options);
+export const piano = async (options = { velocities: 1 }) => {
+  const p = new Piano(options);
+  await p.load();
+  return p;
+};
 
 // effect helpers
 export const vol = (v) => new Gain(v);