Merge remote-tracking branch 'origin/HEAD' into in-source-doc

README.md

@@ -27,8 +27,10 @@ There are multiple npm packages you can use to use strudel, or only parts of it,
 - [`tone`](./packages/tone): bindings for Tone.js instruments and effects
 - [`osc`](./packages/osc): bindings to communicate via OSC
 - [`midi`](./packages/midi): webmidi bindings
+- [`serial`](./packages/serial): webserial bindings
 - [`tonal`](./packages/tonal): tonal functions
 - [`xen`](./packages/xen): microtonal / xenharmonic functions
+- ... [and there are more](./packages/)
 
 Click on the package names to find out more about each one.
 

package.json

@@ -3,9 +3,8 @@
   "version": "0.0.1",
   "private": true,
   "description": "Port of tidalcycles to javascript",
-  "main": "strudel.mjs",
   "scripts": {
-    "test": "npm run test --workspaces --if-present",
+    "test": "npm run test --workspaces --if-present && cd repl && npm run test",
     "bootstrap": "lerna bootstrap",
     "setup": "npm i && npm run bootstrap && cd repl && npm i",
     "repl": "cd repl && npm run start",
@@ -29,7 +28,7 @@
     "algorave"
   ],
   "author": "Alex McLean <alex@slab.org> (https://slab.org)",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/core/hap.mjs

@@ -4,7 +4,6 @@ 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/>.
 */
 
-
 export class Hap {
   /*
       Event class, representing a value active during the timespan
@@ -83,6 +82,10 @@ export class Hap {
     );
   }
 
+  showWhole() {
+    return `${this.whole == undefined ? '~' : this.whole.show()}: ${this.value}`;
+  }
+
   combineContext(b) {
     const a = this;
     return { ...a.context, ...b.context, locations: (a.context.locations || []).concat(b.context.locations || []) };
@@ -93,4 +96,4 @@ export class Hap {
   }
 }
 
-export default Hap;
+export default Hap;

packages/core/index.mjs

@@ -7,7 +7,7 @@ This program is free software: you can redistribute it and/or modify it under th
 export * from './controls.mjs';
 export * from './euclid.mjs';
 import Fraction from './fraction.mjs';
-export {Fraction};
+export { Fraction };
 export * from './hap.mjs';
 export * from './pattern.mjs';
 export * from './signal.mjs';

packages/core/package.json

@@ -19,7 +19,7 @@
     "algorave"
   ],
   "author": "Alex McLean <alex@slab.org> (https://slab.org)",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/core/signal.mjs

@@ -80,7 +80,10 @@ export const chooseWith = (pat, xs) => {
   if (xs.length == 0) {
     return silence;
   }
-  return pat.range(0, xs.length).fmap((i) => xs[Math.floor(i)]).outerJoin();
+  return pat
+    .range(0, xs.length)
+    .fmap((i) => xs[Math.floor(i)])
+    .outerJoin();
 };
 
 export const choose = (...xs) => chooseWith(rand, xs);
@@ -94,14 +97,14 @@ const _wchooseWith = function (pat, ...pairs) {
     weights.push(accum);
   }
   const total = accum;
-  const match = function(r) {
+  const match = function (r) {
     const find = r * total;
     return values[weights.findIndex((x) => x > find, weights)];
   };
   return pat.fmap(match);
 };
 
-const wchooseWith = (...args) => _wchooseWith(...args).outerJoin()
+const wchooseWith = (...args) => _wchooseWith(...args).outerJoin();
 
 export const wchoose = (...pairs) => wchooseWith(rand, ...pairs);
 

packages/core/util.mjs

@@ -33,7 +33,7 @@ export const fromMidi = (n) => {
 
 // modulo that works with negative numbers e.g. mod(-1, 3) = 2
 // const mod = (n: number, m: number): number => (n < 0 ? mod(n + m, m) : n % m);
-export const mod = (n, m) => (n % m + m) % m;
+export const mod = (n, m) => ((n % m) + m) % m;
 
 export const getPlayableNoteValue = (event) => {
   let { value: note, context } = event;

packages/embed/README.md

@@ -0,0 +1,27 @@
+# @strudel.cycles/embed
+
+This package contains a embeddable web component for the Strudel REPL.
+
+## Usage
+
+Either install with `npm i @strudel.cycles/embed` or just use a cdn to import the script:
+
+```html
+<script src="https://unpkg.com/@strudel.cycles/embed@latest"></script>
+<strudel-repl>
+  <!--
+      "a4 [a3 c3] a3 c3".color('#F9D649')
+    .sub("<7 12 5 12>".slow(2))
+    .off(1/4,x=>x.add(7).color("#FFFFFF #0C3AA1 #C63928"))
+    .off(1/8,x=>x.add(12).color('#215CB6'))
+    .slow(2)
+    .legato(sine.range(0.3, 2).slow(28))
+    .wave("sawtooth square".fast(2))
+    .filter('lowpass', cosine.range(500,4000).slow(16))
+    .out()
+    .pianoroll({minMidi:20,maxMidi:120,background:'#202124'})
+      -->
+</strudel-repl>
+```
+
+Note that the Code is placed inside HTML comments to prevent the browser from treating it as HTML.

packages/embed/embed.js

@@ -0,0 +1,17 @@
+class Strudel extends HTMLElement {
+  constructor() {
+    super();
+  }
+  connectedCallback() {
+    setTimeout(() => {
+      const code = (this.innerHTML + '').replace('<!--', '').replace('-->', '').trim();
+      const iframe = document.createElement('iframe');
+      const src = `https://strudel.tidalcycles.org/#${encodeURIComponent(btoa(code))}`;
+      iframe.setAttribute('src', src);
+      iframe.setAttribute('width', '600');
+      iframe.setAttribute('height', '400');
+      this.appendChild(iframe);
+    });
+  }
+}
+customElements.define('strudel-repl', Strudel);

packages/embed/example.html

@@ -0,0 +1,15 @@
+<script src="https://unpkg.com/@strudel.cycles/embed@latest"></script>
+<strudel-repl>
+  <!--
+      "a4 [a3 c3] a3 c3".color('#F9D649')
+    .sub("<7 12 5 12>".slow(2))
+    .off(1/4,x=>x.add(7).color("#FFFFFF #0C3AA1 #C63928"))
+    .off(1/8,x=>x.add(12).color('#215CB6'))
+    .slow(2)
+    .legato(sine.range(0.3, 2).slow(28))
+    .wave("sawtooth square".fast(2))
+    .filter('lowpass', cosine.range(500,4000).slow(16))
+    .out()
+    .pianoroll({minMidi:20,maxMidi:120,background:'#202124'})
+      -->
+</strudel-repl>

packages/embed/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "@strudel.cycles/embed",
+  "version": "0.0.2",
+  "description": "Embeddable Web Component to load a Strudel REPL into an iframe",
+  "main": "embed.js",
+  "type": "module",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/tidalcycles/strudel.git"
+  },
+  "keywords": [
+    "tidalcycles",
+    "strudel",
+    "pattern",
+    "livecoding",
+    "algorave"
+  ],
+  "author": "Felix Roos <flix91@gmail.com>",
+  "license": "AGPL-3.0-or-later",
+  "bugs": {
+    "url": "https://github.com/tidalcycles/strudel/issues"
+  },
+  "homepage": "https://github.com/tidalcycles/strudel#readme",
+  "dependencies": {}
+}

packages/eval/package.json

@@ -22,7 +22,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/midi/package.json

@@ -15,7 +15,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/mini/package.json

@@ -19,7 +19,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/osc/package.json

@@ -22,7 +22,7 @@
   ],
   "author": "Felix Roos <flix91@gmail.com>",
   "contributors": ["Alex McLean <alex@slab.org>"],
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/serial/package.json

@@ -15,7 +15,7 @@
     "algorave"
   ],
   "author": "Alex McLean <alex@slab.org>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/tonal/package.json

@@ -19,7 +19,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/tone/package.json

@@ -16,7 +16,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/webaudio/package.json

@@ -21,7 +21,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

packages/xen/package.json

@@ -18,7 +18,7 @@
     "algorave"
   ],
   "author": "Felix Roos <flix91@gmail.com>",
-  "license": "GPL-3.0-or-later",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/tidalcycles/strudel/issues"
   },

repl/package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "homepage": "https://strudel.tidalcycles.org",
+  "license": "AGPL-3.0-or-later",
   "dependencies": {
     "@codemirror/lang-javascript": "^0.19.0",
     "@testing-library/jest-dom": "^5.16.3",
@@ -22,7 +23,8 @@
   "scripts": {
     "start": "react-scripts start",
     "build": "BUILD_PATH='../docs' react-scripts build && npm run build-tutorial",
-    "test": "react-scripts test",
+    "test": "mocha ./src/test --colors",
+    "snapshot": "cd ./src/ && rm -f ./tunes.snapshot.mjs && node ./shoot.mjs > ./tunes.snapshot.mjs",
     "eject": "react-scripts eject",
     "tutorial": "parcel src/tutorial/index.html --no-cache",
     "build-tutorial": "rm -rf ../docs/tutorial && parcel build src/tutorial/index.html --dist-dir ../docs/tutorial --public-url /tutorial --no-scope-hoist --no-cache",

repl/src/App.test.js

@@ -1,14 +0,0 @@
-/*
-App.test.js - <short description TODO>
-Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/App.test.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 { render, screen } from '@testing-library/react';
-import App from './App';
-
-test('renders learn react link', () => {
-  render(<App />);
-  const linkElement = screen.getByText(/learn react/i);
-  expect(linkElement).toBeInTheDocument();
-});

repl/src/runtime.mjs

@@ -0,0 +1,185 @@
+// this file contains a runtime scope for testing all the tunes
+// it mocks all the functions that won't work in node (who are not important for testing values / structure)
+// it might require mocking more stuff when tunes added that use other functions
+
+// import * as tunes from './tunes.mjs';
+import { evaluate } from '@strudel.cycles/eval';
+import { extend } from '@strudel.cycles/eval';
+import * as strudel from '@strudel.cycles/core';
+// import gist from '@strudel.cycles/core/gist.js';
+import { mini } from '@strudel.cycles/mini/mini.mjs';
+// import { Tone } from '@strudel.cycles/tone';
+// import * as toneHelpers from '@strudel.cycles/tone/tone.mjs';
+// import * as voicingHelpers from '@strudel.cycles/tonal/voicings.mjs';
+// import * as uiHelpers from '@strudel.cycles/tone/ui.mjs';
+// import * as drawHelpers from '@strudel.cycles/tone/draw.mjs';
+// import euclid from '@strudel.cycles/core/euclid.mjs';
+// import '@strudel.cycles/tone/tone.mjs';
+// import '@strudel.cycles/midi/midi.mjs';
+import '@strudel.cycles/tonal/voicings.mjs';
+import '@strudel.cycles/tonal/tonal.mjs';
+import '@strudel.cycles/xen/xen.mjs';
+// import '@strudel.cycles/xen/tune.mjs';
+// import '@strudel.cycles/core/euclid.mjs';
+// import '@strudel.cycles/core/speak.mjs'; // window is not defined
+// import '@strudel.cycles/tone/pianoroll.mjs';
+// import '@strudel.cycles/tone/draw.mjs';
+// import '@strudel.cycles/osc/osc.mjs';
+// import '@strudel.cycles/webaudio/webaudio.mjs';
+// import '@strudel.cycles/serial/serial.mjs';
+// import controls from '@strudel.cycles/core/controls.mjs';
+
+class MockedNode {
+  chain() {
+    return this;
+  }
+  connect() {
+    return this;
+  }
+  toDestination() {
+    return this;
+  }
+  set() {
+    return this;
+  }
+  start() {
+    return this;
+  }
+}
+
+const mockNode = () => new MockedNode();
+
+const id = (x) => x;
+
+const toneHelpersMocked = {
+  FeedbackDelay: MockedNode,
+  MembraneSynth: MockedNode,
+  NoiseSynth: MockedNode,
+  MetalSynth: MockedNode,
+  Synth: MockedNode,
+  PolySynth: MockedNode,
+  Chorus: MockedNode,
+  Freeverb: MockedNode,
+  Gain: MockedNode,
+  vol: mockNode,
+  out: id,
+  osc: id,
+  adsr: id,
+  getDestination: id,
+  players: mockNode,
+  sampler: mockNode,
+  synth: mockNode,
+  piano: mockNode,
+  polysynth: mockNode,
+  fmsynth: mockNode,
+  membrane: mockNode,
+  noise: mockNode,
+  metal: mockNode,
+  lowpass: mockNode,
+  highpass: mockNode,
+};
+
+// tone mock
+strudel.Pattern.prototype.tone = function () {
+  return this;
+};
+
+// draw mock
+strudel.Pattern.prototype.pianoroll = function () {
+  return this;
+};
+
+// speak mock
+strudel.Pattern.prototype.speak = function () {
+  return this;
+};
+
+// webaudio mock
+strudel.Pattern.prototype.wave = function () {
+  return this;
+};
+strudel.Pattern.prototype.filter = function () {
+  return this;
+};
+strudel.Pattern.prototype.adsr = function () {
+  return this;
+};
+strudel.Pattern.prototype.out = function () {
+  return this;
+};
+// tune mock
+strudel.Pattern.prototype.tune = function () {
+  return this;
+};
+
+const uiHelpersMocked = {
+  backgroundImage: id,
+};
+
+extend(
+  // Tone,
+  strudel,
+  strudel.Pattern.prototype.bootstrap(),
+  toneHelpersMocked,
+  uiHelpersMocked,
+  /* controls,
+  toneHelpers,
+  voicingHelpers,
+  drawHelpers,
+  uiHelpers,
+  */
+  {
+    // gist,
+    // euclid,
+    mini,
+    // Tone,
+  },
+);
+
+export const queryCode = async (code, cycles = 1) => {
+  const { pattern } = await evaluate(code);
+  const haps = pattern.queryArc(0, cycles);
+  return haps.map((h) => h.showWhole());
+};
+
+export const testCycles = {
+  timeCatMini: 16,
+  timeCat: 8,
+  shapeShifted: 16,
+  tetrisMini: 16,
+  whirlyStrudel: 16,
+  swimming: 51,
+  giantSteps: 20,
+  giantStepsReggae: 25,
+  transposedChordsHacked: 8,
+  scaleTranspose: 16,
+  struct: 4,
+  magicSofa: 8,
+  confusedPhone: 8,
+  zeldasRescue: 48,
+  technoDrums: 4,
+  caverave: 60,
+  callcenterhero: 22,
+  primalEnemy: 4,
+  synthDrums: 4,
+  sampleDrums: 4,
+  xylophoneCalling: 60,
+  sowhatelse: 60,
+  barryHarris: 64,
+  wavyKalimba: 64,
+  jemblung: 12,
+  risingEnemy: 12,
+  festivalOfFingers: 16,
+  festivalOfFingers2: 22,
+  undergroundPlumber: 20,
+  bridgeIsOver: 16,
+  goodTimes: 16,
+  echoPiano: 8,
+  sml1: 48,
+  speakerman: 48,
+  randomBells: 24,
+  waa: 16,
+  waar: 16,
+  hyperpop: 60,
+  festivalOfFingers3: 16,
+};

repl/src/shoot.mjs

@@ -0,0 +1,11 @@
+// this script will render all example tunes and log them to the console.
+// it is intended to be written to tunes.snapshot.mjs using `npm run snapshot`
+
+import * as tunes from './tunes.mjs';
+import { queryCode, testCycles } from './runtime.mjs';
+
+Object.entries(tunes).forEach(([key, code]) => {
+  queryCode(code, testCycles[key] || 1).then((haps) => {
+    console.log(`export const ${key} = ${JSON.stringify(haps)}`);
+  });
+});

repl/src/test/tunes.test.mjs

@@ -0,0 +1,18 @@
+import { queryCode, testCycles } from '../runtime.mjs';
+import * as snaps from '../tunes.snapshot.mjs';
+import * as tunes from '../tunes.mjs';
+import { strict as assert } from 'assert';
+
+async function testTune(key) {
+  // console.log('test tune', key);
+  const haps = await queryCode(tunes[key], testCycles[key] || 1);
+  assert.deepStrictEqual(haps, snaps[key]);
+}
+
+describe('renders tunes', () => {
+  Object.keys(tunes).forEach((key) => {
+    it(`tune: ${key}`, async () => {
+      await testTune(key);
+    });
+  });
+});

repl/src/tunes.mjs

@@ -63,7 +63,7 @@ export const shapeShifted = `stack(
   )
 ).slow(16)`; */
 
-export const tetris = `stack(
+/* export const tetris = `stack(
   seq(
     "e5 [b4 c5] d5 [c5 b4]",
     "a4 [a4 c5] e5 [d5 c5]",
@@ -85,7 +85,7 @@ export const tetris = `stack(
     "a1 a2 a1 a2 a1 a2 a1 a2",
   )
 ).slow(16)`;
-
+ */
 export const tetrisMini = `\`[[e5 [b4 c5] d5 [c5 b4]]
 [a4 [a4 c5] e5 [d5 c5]]
 [b4 [~ c5] d5 e5]
@@ -226,13 +226,13 @@ export const transposedChordsHacked = `stack(
   "c2 eb2 g2",
   "Cm7".voicings(['g2','c4']).slow(2)
 ).transpose(
-  cat(1, 2, 3, 2).slow(2)
+  "<1 2 3 2>".slow(2)
 ).transpose(5)`;
 
-export const scaleTranspose = `stack(f2, f3, c4, ab4)
+export const scaleTranspose = `"f2,f3,c4,ab4"
 .scale(seq('F minor', 'F harmonic minor').slow(4))
-.scaleTranspose(seq(0, -1, -2, -3).slow(4))
-.transpose(seq(0, 1).slow(16))`;
+.scaleTranspose("<0 -1 -2 -3>")
+.transpose("0 1".slow(16))`;
 
 export const struct = `stack(
   "c2 g2 a2 [e2@2 eb2] d2 a2 g2 [d2 ~ db2]",
@@ -245,7 +245,7 @@ export const magicSofa = `stack(
    .every(2, fast(2))
    .voicings(),
   "<c2 f2 g2> <d2 g2 a2 e2>"
-).slow(1).transpose(cat(0, 2, 3, 4))`;
+).transpose("<0 2 3 4>")`;
 // below doesn't work anymore due to constructor cleanup
 // ).slow(1).transpose.cat(0, 2, 3, 4)`;
 
@@ -258,7 +258,7 @@ export const confusedPhone = `"[g2 ~@1.3] [c3 ~@1.3]"
   transpose(24).late(0.4)
 )
 .scale(cat('C dorian', 'C mixolydian'))
-.scaleTranspose(cat(0,1,2,1))
+.scaleTranspose("<0 1 2 1>")
 .slow(2)`;
 
 export const zeldasRescue = `stack(
@@ -285,32 +285,9 @@ export const zeldasRescue = `stack(
 )`;
 
 export const technoDrums = `stack(
-  "c1*2".tone(new Tone.MembraneSynth().toDestination()),
-  "~ x".tone(new Tone.NoiseSynth().toDestination()),
-  "[~ c4]*2".tone(new Tone.MetalSynth().set({envelope:{decay:0.06,sustain:0}}).chain(new Gain(0.5),getDestination()))
-)`;
-
-export const loungerave = `const delay = new FeedbackDelay(1/8, .2).chain(vol(0.5), out());
-const kick = new MembraneSynth().chain(vol(.8), out());
-const snare = new NoiseSynth().chain(vol(.8), out());
-const hihat = new MetalSynth().set(adsr(0, .08, 0, .1)).chain(vol(.3).connect(delay),out());
-const bass = new Synth().set({ ...osc('sawtooth'), ...adsr(0, .1, .4) }).chain(lowpass(900), vol(.5), out());
-const keys = new PolySynth().set({ ...osc('sawtooth'), ...adsr(0, .5, .2, .7) }).chain(lowpass(1200), vol(.5), out());
-
-const drums = stack(
-  "c1*2".tone(kick).mask("<x@7 ~>/8"),
-  "~ <x!7 [x@3 x]>".tone(snare).mask("<x@7 ~>/4"),
-  "[~ c4]*2".tone(hihat)
-);
-
-const thru = (x) => x.transpose("<0 1>/8").transpose(1);
-const synths = stack(
-  "<C2 Bb1 Ab1 [G1 [G2 G1]]>/2".struct("[x [~ x] <[~ [~ x]]!3 [x x]>@2]/2").edit(thru).tone(bass),
-  "<Cm7 Bb7 Fm7 G7b9>/2".struct("~ [x@0.1 ~]").voicings().edit(thru).every(2, early(1/4)).tone(keys).mask("<x@7 ~>/8".early(1/4))
-)
-stack(
-  drums, 
-  synths
+  "c1*2".tone(new MembraneSynth().toDestination()),
+  "~ x".tone(new NoiseSynth().toDestination()),
+  "[~ c4]*2".tone(new MetalSynth().set({envelope:{decay:0.06,sustain:0}}).chain(new Gain(0.5),getDestination()))
 )`;
 
 export const caverave = `const delay = new FeedbackDelay(1/8, .4).chain(vol(0.5), out());