Prebake in settings

Update prebake without reload

packages/codemirror/codemirror.mjs

@@ -19,7 +19,7 @@ import { basicSetup } from './basicSetup.mjs';
 import { evalBlock } from './block_utilities.mjs';
 import { flash, isFlashEnabled } from './flash.mjs';
 import { highlightMiniLocations, isPatternHighlightingEnabled, updateMiniLocations } from './highlight.mjs';
-import { keybindings } from './keybindings.mjs';
+import { keybindings, prebakeField } from './keybindings.mjs';
 import { jumpToCharacter } from './labelJump.mjs';
 import { getSliderWidgets, sliderPlugin, updateSliderWidgets } from './slider.mjs';
 import { activateTheme, initTheme, theme } from './themes.mjs';
@@ -412,6 +412,10 @@ export class StrudelMirror {
   setAutocompletionEnabled(enabled) {
     this.reconfigureExtension('isAutoCompletionEnabled', enabled);
   }
+  updatePrebake(prebake) {
+    logger('[repl] prebake updated');
+    this.prebaked = prebake();
+  }
   updateSettings(settings) {
     this.setFontSize(settings.fontSize);
     this.setFontFamily(settings.fontFamily);
@@ -472,6 +476,85 @@ export class StrudelMirror {
   }
 }
 
+export class PrebakeCodeMirror {
+  constructor(initialCode, storePrebake, containerRef, editorRef, settings) {
+    this.storePrebake = storePrebake;
+    const compartments = Object.fromEntries(Object.keys(extensions).map((key) => [key, new Compartment()]));
+    const initialSettings = Object.keys(compartments).map((key) =>
+      compartments[key].of(extensions[key](parseBooleans(settings[key]))),
+    );
+    initTheme(settings.theme);
+    let state = EditorState.create({
+      doc: initialCode,
+      extensions: [
+        ...initialSettings,
+        basicSetup,
+        javascript(),
+        javascriptLanguage.data.of({
+          closeBrackets: { brackets: ['(', '[', '{', "'", '"', '<'] },
+          bracketMatching: { brackets: ['(', '[', '{', "'", '"', '<'] },
+        }),
+        syntaxHighlighting(defaultHighlightStyle),
+        EditorView.updateListener.of((v) => {
+          if (v.docChanged) {
+            this.code = v.state.doc.toString();
+          }
+        }),
+        drawSelection({ cursorBlinkRate: 0 }),
+        Prec.highest(
+          keymap.of([
+            {
+              key: 'Ctrl-Enter',
+              mac: 'Meta-Enter',
+              run: () => {
+                this.savePrebake();
+              },
+            },
+            {
+              key: 'Alt-Enter',
+              run: () => {
+                this.savePrebake();
+              },
+            },
+          ]),
+        ),
+        prebakeField,
+      ],
+    });
+    editorRef.current = state;
+    this.code = initialCode;
+    this.view = new EditorView({
+      state,
+      parent: containerRef.current,
+    });
+  }
+
+  async savePrebake() {
+    flash(this.view);
+    this.storePrebake(this.code);
+    logger('[prebake] prebake saved');
+  }
+
+  toggleComment() {
+    try {
+      // Honor selections; toggleLineComment handles both selections and
+      // single line
+      toggleLineComment(this.view);
+    } catch (err) {
+      console.error('Error handling repl-toggle-comment event', err);
+    }
+  }
+
+  setCode(code) {
+    const changes = {
+      from: 0,
+      to: this.view.state.doc.length,
+      insert: code,
+    };
+    this.view.dispatch({ changes });
+  }
+}
+
 export function parseBooleans(value) {
   return { true: true, false: false }[value] ?? value;
 }

packages/codemirror/index.mjs

@@ -4,4 +4,4 @@ export * from './flash.mjs';
 export * from './slider.mjs';
 export * from './themes.mjs';
 export * from './widget.mjs';
-export { Vim } from './keybindings.mjs';
+export { Vim, prebakeField } from './keybindings.mjs';

packages/codemirror/keybindings.mjs

@@ -1,5 +1,5 @@
 import { defaultKeymap } from '@codemirror/commands';
-import { Prec, EditorState } from '@codemirror/state';
+import { Prec, EditorState, StateField } from '@codemirror/state';
 import { keymap, ViewPlugin } from '@codemirror/view';
 // import { searchKeymap } from '@codemirror/search';
 import { emacs } from '@replit/codemirror-emacs';
@@ -9,6 +9,15 @@ import { vscodeKeymap } from '@replit/codemirror-vscode-keymap';
 import { helix, commands } from 'codemirror-helix';
 import { logger } from '@strudel/core';
 
+export const prebakeField = StateField.define({
+  create() {
+    return 'PrebakeEditor';
+  },
+  update(value, _tr) {
+    return value;
+  },
+});
+
 const vscodePlugin = ViewPlugin.fromClass(
   class {
     constructor() {}
@@ -98,7 +107,11 @@ try {
       Vim.defineAction('strudelToggleComment', (cm) => {
         const view = cm?.view || cm;
         try {
-          const ev = new CustomEvent('repl-toggle-comment', { detail: { source: 'vim', view }, cancelable: true });
+          const toggleEventName =
+            view?.cm6?.state?.field(prebakeField, false) !== undefined
+              ? 'prebake-toggle-comment'
+              : 'repl-toggle-comment';
+          const ev = new CustomEvent(toggleEventName, { detail: { source: 'vim', view }, cancelable: true });
           document.dispatchEvent(ev);
         } catch (e) {
           console.error('strudelToggleComment dispatch failed', e);
@@ -119,6 +132,17 @@ try {
     // :w to evaluate
     Vim.defineEx('write', 'w', (cm) => {
       const view = cm?.view || cm; // CM6 Vim passes either an object with view or the view itself
+      const isPrebake = view?.cm6?.state?.field(prebakeField, false) !== undefined;
+      if (isPrebake) {
+        let prebakeEventHandled = false;
+        try {
+          const ev = new CustomEvent('prebake-evaluate', { detail: { source: 'vim', view }, cancelable: true });
+          prebakeEventHandled = document.dispatchEvent(ev) === false; // false means preventDefault was called
+          return;
+        } catch (e) {
+          console.error('Error dispatching repl-evaluate event', e);
+        }
+      }
       try {
         view?.focus?.();
         // Let the app know this came from Vim :w

packages/transpiler/index.mjs

@@ -3,3 +3,4 @@ import { transpiler } from './transpiler.mjs';
 export * from './transpiler.mjs';
 
 export const evaluate = (code) => _evaluate(code, transpiler);
+export const evaluateUserPrebake = (code) => _evaluate(code, transpiler, { prebake: true });

packages/transpiler/transpiler.mjs

@@ -25,6 +25,7 @@ export function transpiler(input, options = {}) {
     emitMiniLocations = true,
     emitWidgets = true,
     blockBased = false,
+    prebake = false,
     range = [],
   } = options;
 
@@ -260,7 +261,9 @@ export function transpiler(input, options = {}) {
       // For block-based eval, add silence as the return value when block ends with declaration
       body.push(silenceExpression);
     } else {
-      throw new Error('unexpected ast format without body expression');
+      if (!prebake) {
+        throw new Error('unexpected ast format without body expression');
+      }
     }
   }
 
@@ -273,7 +276,7 @@ export function transpiler(input, options = {}) {
   }
 
   // add return to last statement
-  if (addReturn) {
+  if (addReturn && !prebake) {
     const { expression } = body[body.length - 1];
     body[body.length - 1] = {
       type: 'ReturnStatement',

website/src/repl/components/button/action-button.jsx

@@ -17,22 +17,39 @@ export function SpecialActionButton(props) {
   );
 }
 
-export function ActionInput({ label, className, ...props }) {
-  return (
-    <label className={cx('inline-flex items-center cursor-pointer ', className)}>
-      <input {...props} className="sr-only peer" />
+export function IconButton(props) {
+  const { Icon, label, children, labelIsHidden, className, ...buttonProps } = props;
 
+  return (
+    <button
+      className={cx('space-x-1 max-w-[300px] inline-flex items-center cursor-pointer hover:opacity-50', className)}
+      title={label}
+      {...buttonProps}
+    >
+      <Icon className="w-5 h-5" />
+      <span className="max-w-[300px]">{label}</span>
+      {children}
+    </button>
+  );
+}
+
+export function ActionInput({ Icon, label, className, ...props }) {
+  return (
+    <label className={cx('space-x-1 inline-flex items-center cursor-pointer ', className)}>
+      <input {...props} className="sr-only peer" />
+      <Icon className="w-5 h-5 peer-hover:opacity-50" />
       <span className="inline-flex items-center peer-hover:opacity-50">{label}</span>
     </label>
   );
 }
 
-export function SpecialActionInput({ className, ...props }) {
+export function SpecialActionInput({ Icon, className, ...props }) {
   return (
     <ActionInput
       {...props}
+      Icon={Icon}
       className={className}
-      label={<span className="bg-background p-2 max-w-[300px]">{props.label}</span>}
+      label={<span className="max-w-[300px]">{props.label}</span>}
     />
   );
 }

website/src/repl/components/panel/ImportPrebakeScriptButton.jsx

@@ -1,38 +1,52 @@
 import { errorLogger } from '@strudel/core';
 import { useSettings, storePrebakeScript } from '../../../settings.mjs';
 import { SpecialActionInput } from '../button/action-button';
-import { confirmDialog, SETTING_CHANGE_RELOAD_MSG } from '@src/repl/util.mjs';
+import { confirmDialog, PREBAKE_CHANGE_MSG } from '@src/repl/util.mjs';
+import { DocumentArrowDownIcon } from '@heroicons/react/16/solid';
 
-async function importScript(script) {
+async function importScript(script, updateEditor) {
   const reader = new FileReader();
   reader.readAsText(script);
 
   reader.onload = () => {
     const text = reader.result;
     storePrebakeScript(text);
+    updateEditor && updateEditor(text);
   };
 
   reader.onerror = () => {
     errorLogger(new Error('failed to import prebake script'), 'importScript');
   };
 }
-export function ImportPrebakeScriptButton() {
+
+export async function exportScript(script) {
+  const blob = new Blob([script], { type: 'application/javascript' });
+  const downloadLink = document.createElement('a');
+  downloadLink.href = window.URL.createObjectURL(blob);
+  const date = new Date().toISOString().split('T')[0];
+  downloadLink.download = `prebake_${date}.strudel`;
+  document.body.appendChild(downloadLink);
+  downloadLink.click();
+  document.body.removeChild(downloadLink);
+}
+
+export function ImportPrebakeScriptButton({ updateEditor }) {
   const settings = useSettings();
 
   return (
     <SpecialActionInput
+      Icon={DocumentArrowDownIcon}
       type="file"
-      label="import prebake script"
-      accept=".strudel"
+      label="import"
+      accept=".strudel,.js"
       onChange={async (e) => {
         const file = e.target.files[0];
-        const confirmed = await confirmDialog(SETTING_CHANGE_RELOAD_MSG);
+        const confirmed = await confirmDialog(PREBAKE_CHANGE_MSG);
         if (!confirmed) {
           return;
         }
         try {
-          await importScript(file);
-          window.location.reload();
+          await importScript(file, updateEditor);
         } catch (e) {
           errorLogger(e);
         }

website/src/repl/components/panel/SettingsTab.jsx

@@ -1,13 +1,16 @@
-import { defaultSettings, settingsMap, useSettings } from '../../../settings.mjs';
-import { themes } from '@strudel/codemirror';
+import { defaultSettings, settingsMap, useSettings, storePrebakeScript, setSettingsTab } from '../../../settings.mjs';
+import { themes, codemirrorSettings, PrebakeCodeMirror } from '@strudel/codemirror';
 import { confirmAndReloadPage, isUdels } from '../../util.mjs';
 import { ButtonGroup } from './Forms.jsx';
 import { AudioDeviceSelector } from './AudioDeviceSelector.jsx';
 import { AudioEngineTargetSelector } from './AudioEngineTargetSelector.jsx';
 import { confirmDialog } from '../../util.mjs';
 import { DEFAULT_MAX_POLYPHONY, setMaxPolyphony, setMultiChannelOrbits } from '@strudel/webaudio';
-import { SpecialActionButton } from '../button/action-button.jsx';
-import { ImportPrebakeScriptButton } from './ImportPrebakeScriptButton.jsx';
+import { IconButton, SpecialActionButton } from '../button/action-button.jsx';
+import { exportScript, ImportPrebakeScriptButton } from './ImportPrebakeScriptButton.jsx';
+import { useCallback, useEffect, useRef } from 'react';
+import { Code } from '../Code.jsx';
+import { DocumentArrowUpIcon, DocumentCheckIcon } from '@heroicons/react/16/solid';
 
 function cx(...classes) {
   // : Array<string | undefined>
@@ -123,7 +126,7 @@ const fontFamilyOptions = {
   galactico: 'galactico',
 };
 
-export function SettingsTab({ started }) {
+function MainSettingsContent({ started }) {
   const {
     theme,
     keybindings,
@@ -155,7 +158,7 @@ export function SettingsTab({ started }) {
   const shouldAlwaysSync = isUdels();
   const canChangeAudioDevice = AudioContext.prototype.setSinkId != null;
   return (
-    <div className="p-4 text-foreground space-y-4 w-full" style={{ fontFamily }}>
+    <div className="p-4 text-foreground space-y-4 w-full overflow-auto" style={{ fontFamily }}>
       {canChangeAudioDevice && (
         <FormItem label="Audio Output Device">
           <AudioDeviceSelector
@@ -233,14 +236,6 @@ export function SettingsTab({ started }) {
           />
         </FormItem>
       </div>
-      <FormItem label="Prebake">
-        <ImportPrebakeScriptButton />
-        <Checkbox
-          label="Include prebake script in share"
-          onChange={(cbEvent) => settingsMap.setKey('includePrebakeScriptInShare', cbEvent.target.checked)}
-          value={includePrebakeScriptInShare}
-        />
-      </FormItem>
 
       <FormItem label="Keybindings">
         <ButtonGroup
@@ -362,3 +357,94 @@ export function SettingsTab({ started }) {
     </div>
   );
 }
+
+function PrebakeSettingsContent() {
+  const { fontFamily, includePrebakeScriptInShare, prebakeScript } = useSettings();
+  const init = useCallback(() => {
+    const settings = codemirrorSettings.get();
+    // TODO: This instance need to be created at the top level to not create a new instance here
+    const prebakeCodemirror = new PrebakeCodeMirror(
+      prebakeScript,
+      (code) => storePrebakeScript(code),
+      containerRef,
+      editorRef,
+      settings,
+    );
+    editorRef.current = prebakeCodemirror;
+  }, []);
+  const editorRef = useRef();
+  const containerRef = useRef();
+  const handleSaveEvent = async (e) => {
+    await editorRef.current?.savePrebake();
+    e?.cancelable && e.preventDefault?.();
+  };
+  const handleToggleComment = (e) => {
+    editorRef.current?.toggleComment();
+    e?.cancelable && e.preventDefault?.();
+  };
+  const handleSetCode = (code) => {
+    editorRef.current?.setCode(code);
+  };
+  useEffect(() => {
+    document.addEventListener('prebake-evaluate', handleSaveEvent);
+    document.addEventListener('prebake-toggle-comment', handleToggleComment);
+    return () => {
+      document.removeEventListener('prebake-evaluate', handleSaveEvent);
+      document.removeEventListener('prebake-toggle-comment', handleToggleComment);
+    };
+  }, []);
+  return (
+    <div className="text-foreground w-full overflow-auto" style={{ fontFamily }}>
+      <div className="px-4 py-1 flex flex-row items-center space-x-4 justify-between">
+        <IconButton
+          Icon={DocumentCheckIcon}
+          onClick={async () => {
+            await editorRef.current?.savePrebake();
+          }}
+        >
+          save
+        </IconButton>
+        <div className="flex flex-row space-x-2">
+          <ImportPrebakeScriptButton updateEditor={handleSetCode} />
+          <IconButton
+            Icon={DocumentArrowUpIcon}
+            onClick={async () => {
+              console.log('Exporting');
+              await exportScript(prebakeScript);
+            }}
+          >
+            export
+          </IconButton>
+        </div>
+        <Checkbox
+          label="Include prebake script in share"
+          onChange={(cbEvent) => settingsMap.setKey('includePrebakeScriptInShare', cbEvent.target.checked)}
+          value={includePrebakeScriptInShare}
+        />
+      </div>
+      <div className="flex flex-col overflow-hidden h-full border-t border-muted">
+        <Code containerRef={containerRef} editorRef={editorRef} init={init} />
+      </div>
+    </div>
+  );
+}
+export function SettingsTab({ started }) {
+  const { settingsTab } = useSettings();
+  return (
+    <div className="w-full h-full text-foreground flex flex-col overflow-hidden">
+      <div className="px-2 shrink-0 h-8 space-x-4 flex max-w-full overflow-x-auto border-b border-muted">
+        <ButtonGroup
+          wrap
+          value={settingsTab}
+          onChange={(value) => setSettingsTab(value)}
+          items={{
+            settings: 'settings',
+            prebake: 'prebake',
+          }}
+        ></ButtonGroup>
+      </div>
+      {settingsTab === 'settings' && <MainSettingsContent started={started} />}
+      {settingsTab === 'prebake' && <PrebakeSettingsContent />}
+    </div>
+  );
+}

website/src/repl/useReplContext.jsx

@@ -6,7 +6,7 @@ This program is free software: you can redistribute it and/or modify it under th
 
 import { code2hash, getPerformanceTimeSeconds, logger, silence } from '@strudel/core';
 import { getDrawContext } from '@strudel/draw';
-import { evaluate, transpiler } from '@strudel/transpiler';
+import { evaluate, evaluateUserPrebake, transpiler } from '@strudel/transpiler';
 import {
   getAudioContextCurrentTime,
   renderPatternAudio,
@@ -89,7 +89,7 @@ export function useReplContext() {
       prebake: async () =>
         Promise.all([modulesLoading, presets]).then(() => {
           if (prebakeScript?.length) {
-            return evaluate(prebakeScript ?? '');
+            return evaluateUserPrebake(prebakeScript ?? '');
           }
         }),
       onUpdateState: (state) => {
@@ -181,6 +181,16 @@ export function useReplContext() {
     editorRef.current?.updateSettings(editorSettings);
   }, [_settings]);
 
+  useEffect(() => {
+    const prebake = async () =>
+      Promise.all([modulesLoading, presets]).then(() => {
+        if (prebakeScript?.length) {
+          return evaluateUserPrebake(prebakeScript ?? '');
+        }
+      });
+    editorRef.current?.updatePrebake(prebake);
+  }, [prebakeScript]);
+
   //
   // UI Actions
   //

website/src/repl/util.mjs

@@ -108,6 +108,7 @@ export function confirmDialog(msg) {
   });
 }
 export const SETTING_CHANGE_RELOAD_MSG = 'Changing this setting requires the window to reload itself. OK?';
+export const PREBAKE_CHANGE_MSG = 'Warning: This will overwrite the current prebake.\nContinue?';
 export function confirmAndReloadPage(onSuccess) {
   confirmDialog(SETTING_CHANGE_RELOAD_MSG).then((r) => {
     if (r == true) {

website/src/settings.mjs

@@ -18,6 +18,20 @@ export const soundFilterType = {
   ALL: 'all',
 };
 
+const initialPrebakeScript = `// Prebake script
+//
+// This is code that is loaded before your pattern is run.
+// You can use it to define custom functions to use in any pattern.
+// 
+// This is an initial example script. You can edit it to add 
+// your own funtions.
+//
+// To use a script shared by some other user you can use
+// the import-button or paste the script in this editor.
+
+const bigRoom = register('bigRoom', (pat) => pat.room(8).roomsize(4))
+`;
+
 export const defaultSettings = {
   activeFooter: 'intro',
   keybindings: 'codemirror',
@@ -47,13 +61,14 @@ export const defaultSettings = {
   isPanelPinned: false,
   isPanelOpen: true,
   userPatterns: '{}',
-  prebakeScript: '',
+  prebakeScript: initialPrebakeScript,
   audioEngineTarget: audioEngineTargets.webaudio,
   isButtonRowHidden: false,
   isCSSAnimationDisabled: false,
   maxPolyphony: 128,
   multiChannelOrbits: false,
   includePrebakeScriptInShare: true,
+  settingsTab: 'settings',
 };
 
 let search = null;
@@ -115,6 +130,7 @@ export function useSettings() {
 export const setActiveFooter = (tab) => settingsMap.setKey('activeFooter', tab);
 export const setPanelPinned = (bool) => settingsMap.setKey('isPanelPinned', bool);
 export const setIsPanelOpened = (bool) => settingsMap.setKey('isPanelOpen', bool);
+export const setSettingsTab = (tab) => settingsMap.setKey('settingsTab', tab);
 
 export const storePrebakeScript = (script) => settingsMap.setKey('prebakeScript', script);