move supradough to separate package

packages/supradough/dough-export.mjs

@@ -0,0 +1,61 @@
+// this is a poc of how a pattern can be rendered as a wav file using node
+// run via: node dough-export.mjs
+import fs from 'node:fs';
+import WavEncoder from 'wav-encoder';
+import { evalScope } from '@strudel/core';
+import { miniAllStrings } from '@strudel/mini';
+import { Dough } from './dough.mjs';
+
+await evalScope(
+  import('@strudel/core'),
+  import('@strudel/mini'),
+  import('@strudel/tonal'),
+  // import('@strudel/tonal'),
+);
+
+miniAllStrings(); // allows using single quotes for mini notation / skip transpilation
+
+let sampleRate = 48000,
+  cps = 0.5;
+
+let pat = note('[c e g b]*3')
+  .add(note(7))
+  .lpf(sine.rangex(200, 4000).slow(2))
+  .lpq(0.3)
+  .s('<pulse saw tri>*2')
+  .att(0.01)
+  .rel(0.2)
+  .clip(2)
+  .delay(0.5)
+  .jux(rev)
+  .sometimes(add(note(12)))
+  .gain(0.25)
+  .slow(1 / cps);
+
+let cycles = 4;
+let seconds = cycles + 1; // 1s release tail
+const haps = pat.queryArc(0, cycles);
+
+const dough = new Dough(sampleRate);
+
+console.log('spawn voices...');
+haps.forEach((hap) => {
+  hap.value._begin = Number(hap.whole.begin);
+  hap.value._duration = hap.duration / cps;
+  dough.scheduleSpawn(hap.value);
+});
+console.log(`render ${seconds}s long buffer...`);
+const buffer = new Float32Array(seconds * sampleRate);
+while (dough.t <= buffer.length) {
+  buffer[dough.t] = dough.update();
+}
+console.log('done!');
+
+const patternAudio = {
+  sampleRate,
+  channelData: [buffer],
+};
+
+WavEncoder.encode(patternAudio).then((buffer) => {
+  fs.writeFileSync('pattern.wav', new Float32Array(buffer));
+});