Merge pull request 'Feature: non-realtime exporting' (#1674) from BANanaD3V/strudel:feat/non-realtime-exporting into main

Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1674

website/src/repl/useReplContext.jsx

@@ -9,11 +9,13 @@ import { getDrawContext } from '@strudel/draw';
 import { evaluate, transpiler } from '@strudel/transpiler';
 import {
   getAudioContextCurrentTime,
+  renderPatternAudio,
   webaudioOutput,
   resetGlobalEffects,
   resetLoadedSounds,
   initAudioOnFirstClick,
   resetDefaults,
+  initAudio,
 } from '@strudel/webaudio';
 import { setVersionDefaultsFrom } from './util.mjs';
 import { StrudelMirror, defaultSettings } from '@strudel/codemirror';
@@ -207,6 +209,30 @@ export function useReplContext() {
   const handleEvaluate = () => {
     editorRef.current.evaluate();
   };
+
+  const handleExport = async (begin, end, sampleRate, maxPolyphony, multiChannelOrbits, downloadName = undefined) => {
+    await editorRef.current.evaluate(false);
+    editorRef.current.repl.scheduler.stop();
+    await renderPatternAudio(
+      editorRef.current.repl.state.pattern,
+      editorRef.current.repl.scheduler.cps,
+      begin,
+      end,
+      sampleRate,
+      maxPolyphony,
+      multiChannelOrbits,
+      downloadName,
+    ).finally(async () => {
+      const { latestCode, maxPolyphony, audioDeviceName, multiChannelOrbits } = settingsMap.get();
+      await initAudio({
+        latestCode,
+        maxPolyphony,
+        audioDeviceName,
+        multiChannelOrbits,
+      });
+      editorRef.current.repl.scheduler.stop();
+    });
+  };
   const handleShuffle = async () => {
     const patternData = await getRandomTune();
     const code = patternData.code;
@@ -235,6 +261,7 @@ export function useReplContext() {
     handleShuffle,
     handleShare,
     handleEvaluate,
+    handleExport,
     init,
     error,
     editorRef,