2022-12-22 17:23:35 +01:00

289 lines
9.1 KiB
JavaScript

/*
App.js - <short description TODO>
Copyright (C) 2022 Strudel contributors - see <https://github.com/tidalcycles/strudel/blob/main/repl/src/App.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 { cleanupDraw, cleanupUi, controls, evalScope, logger } from '@strudel.cycles/core';
import { CodeMirror, cx, flash, useHighlighting, useStrudel } from '@strudel.cycles/react';
import {
getAudioContext,
getLoadedSamples,
initAudioOnFirstClick,
resetLoadedSamples,
webaudioOutput,
} from '@strudel.cycles/webaudio';
import { createClient } from '@supabase/supabase-js';
import { nanoid } from 'nanoid';
import React, { createContext, useCallback, useEffect, useState } from 'react';
import * as WebDirt from 'WebDirt';
import './Repl.css';
import { Footer } from './Footer';
import { Header } from './Header';
import { prebake } from './prebake.mjs';
import * as tunes from './tunes.mjs';
initAudioOnFirstClick();
// Create a single supabase client for interacting with your database
const supabase = createClient(
'https://pidxdsxphlhzjnzmifth.supabase.co',
'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6InBpZHhkc3hwaGxoempuem1pZnRoIiwicm9sZSI6ImFub24iLCJpYXQiOjE2NTYyMzA1NTYsImV4cCI6MTk3MTgwNjU1Nn0.bqlw7802fsWRnqU5BLYtmXk_k-D1VFmbkHMywWc15NM',
);
const modules = [
import('@strudel.cycles/core'),
import('@strudel.cycles/tonal'),
import('@strudel.cycles/mini'),
import('@strudel.cycles/midi'),
import('@strudel.cycles/xen'),
import('@strudel.cycles/webaudio'),
import('@strudel.cycles/osc'),
import('@strudel.cycles/serial'),
import('@strudel.cycles/soundfonts'),
import('@strudel.cycles/csound'),
];
evalScope(
controls, // sadly, this cannot be exported from core direclty
{ WebDirt },
...modules,
);
export let loadedSamples = [];
const presets = prebake();
Promise.all([...modules, presets]).then((data) => {
// console.log('modules and sample registry loade', data);
loadedSamples = Object.entries(getLoadedSamples() || {});
});
const getTime = () => getAudioContext().currentTime;
async function initCode() {
// load code from url hash (either short hash from database or decode long hash)
try {
const initialUrl = window.location.href;
const hash = initialUrl.split('?')[1]?.split('#')?.[0];
const codeParam = window.location.href.split('#')[1];
// looking like https://strudel.tidalcycles.org/?J01s5i1J0200 (fixed hash length)
if (codeParam) {
// looking like https://strudel.tidalcycles.org/#ImMzIGUzIg%3D%3D (hash length depends on code length)
return atob(decodeURIComponent(codeParam || ''));
} else if (hash) {
return supabase
.from('code')
.select('code')
.eq('hash', hash)
.then(({ data, error }) => {
if (error) {
console.warn('failed to load hash', err);
}
if (data.length) {
console.log('load hash from database', hash);
return data[0].code;
}
});
}
} catch (err) {
console.warn('failed to decode', err);
}
}
function getRandomTune() {
const allTunes = Object.entries(tunes);
const randomItem = (arr) => arr[Math.floor(Math.random() * arr.length)];
const [name, code] = randomItem(allTunes);
return { name, code };
}
const { code: randomTune, name } = getRandomTune();
export const ReplContext = createContext(null);
export function Repl() {
const [view, setView] = useState(); // codemirror view
const [lastShared, setLastShared] = useState();
const [activeFooter, setActiveFooter] = useState('');
const [isZen, setIsZen] = useState(false);
const [pending, setPending] = useState(false);
const { code, setCode, scheduler, evaluate, activateCode, isDirty, activeCode, pattern, started, stop, error } =
useStrudel({
initialCode: '// LOADING',
defaultOutput: webaudioOutput,
getTime,
autolink: true,
beforeEval: () => {
cleanupUi();
cleanupDraw();
setPending(true);
},
afterEval: () => {
setPending(false);
},
onToggle: (play) => !play && cleanupDraw(false),
});
// init code
useEffect(() => {
initCode().then((decoded) => {
if (!decoded) {
setActiveFooter('intro'); // TODO: get rid
}
logger(
`Welcome to Strudel! ${
decoded ? `I have loaded the code from the URL.` : `A random code snippet named "${name}" has been loaded!`
} Press play or hit ctrl+enter to run it!`,
'highlight',
);
setCode(decoded || randomTune);
});
}, []);
// keyboard shortcuts
useKeydown(
useCallback(
async (e) => {
if (e.ctrlKey || e.altKey) {
if (e.code === 'Enter') {
e.preventDefault();
flash(view);
await activateCode();
} else if (e.code === 'Period') {
stop();
e.preventDefault();
}
}
},
[activateCode, stop, view],
),
);
// highlighting
useHighlighting({
view,
pattern,
active: started && !activeCode?.includes('strudel disable-highlighting'),
getTime: () => scheduler.getPhase(),
});
//
// UI Actions
//
const handleChangeCode = useCallback(
(c) => {
setCode(c);
started && logger('[edit] code changed. hit ctrl+enter to update');
},
[started],
);
const handleSelectionChange = useCallback((selection) => {
// TODO: scroll to selected function in reference
// console.log('selectino change', selection.ranges[0].from);
}, []);
const handleTogglePlay = async () => {
await getAudioContext().resume(); // fixes no sound in ios webkit
if (!started) {
logger('[repl] started. tip: you can also start by pressing ctrl+enter', 'highlight');
activateCode();
} else {
logger('[repl] stopped. tip: you can also stop by pressing ctrl+dot', 'highlight');
stop();
}
};
const handleUpdate = () => {
isDirty && activateCode();
logger('[repl] code updated! tip: you can also update the code by pressing ctrl+enter', 'highlight');
};
const handleShuffle = async () => {
const { code, name } = getRandomTune();
logger(`[repl] ✨ loading random tune "${name}"`);
resetLoadedSamples();
await prebake(); // declare default samples
await evaluate(code, false);
};
const handleShare = async () => {
const codeToShare = activeCode || code;
if (lastShared === codeToShare) {
logger(`Link already generated!`, 'error');
return;
}
// generate uuid in the browser
const hash = nanoid(12);
const { data, error } = await supabase.from('code').insert([{ code: codeToShare, hash }]);
if (!error) {
setLastShared(activeCode || code);
const shareUrl = window.location.origin + '?' + hash;
// copy shareUrl to clipboard
await navigator.clipboard.writeText(shareUrl);
const message = `Link copied to clipboard: ${shareUrl}`;
alert(message);
// alert(message);
logger(message, 'highlight');
} else {
console.log('error', error);
const message = `Error: ${error.message}`;
// alert(message);
logger(message);
}
};
const context = {
started,
pending,
isDirty,
lastShared,
activeCode,
activeFooter,
setActiveFooter,
handleChangeCode,
handleTogglePlay,
handleUpdate,
handleShuffle,
handleShare,
isZen,
setIsZen,
};
return (
// bg-gradient-to-t from-blue-900 to-slate-900
// bg-gradient-to-t from-green-900 to-slate-900
<ReplContext.Provider value={context}>
<div
className={cx(
'h-screen flex flex-col',
// 'bg-gradient-to-t from-green-900 to-slate-900', //
)}
>
<Header context={context} />
<section className="grow flex text-gray-100 relative overflow-auto cursor-text pb-0" id="code">
<CodeMirror
value={code}
onChange={handleChangeCode}
onViewChanged={setView}
onSelectionChange={handleSelectionChange}
/>
</section>
{error && (
<div className="text-red-500 p-4 bg-lineblack animate-pulse">{error.message || 'Unknown Error :-/'}</div>
)}
<Footer context={context} />
</div>
</ReplContext.Provider>
);
}
export function useEvent(name, onTrigger, useCapture = false) {
useEffect(() => {
document.addEventListener(name, onTrigger, useCapture);
return () => {
document.removeEventListener(name, onTrigger, useCapture);
};
}, [onTrigger]);
}
function useKeydown(onTrigger) {
useEvent('keydown', onTrigger, true);
}