Merge pull request #67 from tidalcycles/speak

Speech output

packages/core/pattern.mjs

@@ -935,18 +935,18 @@ export function makeComposable(func) {
   return func;
 }
 
-const patternify2 = (f) => (pata, patb, pat) =>
+export const patternify2 = (f) => (pata, patb, pat) =>
   pata
     .fmap((a) => (b) => f.call(pat, a, b))
     .appLeft(patb)
     .innerJoin();
-const patternify3 = (f) => (pata, patb, patc, pat) =>
+export const patternify3 = (f) => (pata, patb, patc, pat) =>
   pata
     .fmap((a) => (b) => (c) => f.call(pat, a, b, c))
     .appLeft(patb)
     .appLeft(patc)
     .innerJoin();
-const patternify4 = (f) => (pata, patb, patc, patd, pat) =>
+export const patternify4 = (f) => (pata, patb, patc, patd, pat) =>
   pata
     .fmap((a) => (b) => (c) => (d) => f.call(pat, a, b, c, d))
     .appLeft(patb)

packages/core/speak.mjs

@@ -0,0 +1,33 @@
+import { Pattern, patternify2 } from './index.mjs';
+
+const synth = window?.speechSynthesis;
+let allVoices = synth?.getVoices();
+// console.log('voices', allVoices);
+
+function speak(words, lang, voice) {
+  synth.cancel();
+  const utterance = new SpeechSynthesisUtterance(words);
+  utterance.lang = lang;
+  allVoices = synth.getVoices();
+  const voices = allVoices.filter((v) => v.lang.includes(lang));
+  if (typeof voice === 'number') {
+    utterance.voice = voices[voice % voices.length];
+  } else if (typeof voice === 'string') {
+    utterance.voice = voices.find((voice) => voice.name === voice);
+  }
+  // console.log(utterance.voice?.name, utterance.voice?.lang);
+  speechSynthesis.speak(utterance);
+}
+
+Pattern.prototype._speak = function (lang, voice) {
+  return this._withEvent((event) => {
+    const onTrigger = (time, event) => {
+      speak(event.value, lang, voice);
+    };
+    return event.setContext({ ...event.context, onTrigger });
+  });
+};
+
+Pattern.prototype.speak = function (lang, voice) {
+  return patternify2(Pattern.prototype._speak)(reify(lang), reify(voice), this);
+};

repl/src/App.js

@@ -26,17 +26,28 @@ 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';
 import '@strudel.cycles/tone/pianoroll.mjs';
 import '@strudel.cycles/tone/draw.mjs';
 import '@strudel.cycles/osc/osc.mjs';
 import controls from '@strudel.cycles/core/controls.mjs';
 
-extend(Tone, strudel, strudel.Pattern.prototype.bootstrap(), controls, toneHelpers, voicingHelpers, drawHelpers, uiHelpers, {
+extend(
-  gist,
-  euclid,
-  mini,
   Tone,
-});
+  strudel,
+  strudel.Pattern.prototype.bootstrap(),
+  controls,
+  toneHelpers,
+  voicingHelpers,
+  drawHelpers,
+  uiHelpers,
+  {
+    gist,
+    euclid,
+    mini,
+    Tone,
+  },
+);
 // eval stuff end
 
 const codeParam = window.location.href.split('#')[1];

repl/src/tutorial/MiniRepl.jsx

@@ -6,7 +6,7 @@ import cx from '../cx';
 
 // eval stuff start
 import { extend } from '@strudel.cycles/eval';
-import * as strudel from '@strudel.cycles/core/strudel.mjs';
+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';