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{
  "react": "https://esm.sh/@preact/compat",
  "use-isomorphic-layout-effect": "https://esm.sh/*use-isomorphic-layout-effect?alias=react:preact/compat&deps=react",
  "use-sync-external-store/": "https://esm.sh/*use-sync-external-store/",
  "use-subscription": "https://esm.sh/*use-subscription?alias=react:preact/compat&deps=react",
  "xstate": "https://esm.sh/*xstate@4.37.0?alias=react:preact/compat&deps=react",
  "@xstate/react": "https://esm.sh/*@xstate/react@2.0.1?alias=react:preact/compat&deps=react"
}

audionerd

// M5Stack Core Basic + RCA Module 13.2 (PCM5102)
// based on https://github.com/m5stack/M5Stack/blob/b3e801f/examples/Unit/RCA/RCA.ino

#include <M5Unified.h>

void setup() {
  auto cfg = M5.config();
  cfg.external_spk = true;
  cfg.internal_spk = false;

audionerd

Using the latest version of Babel with rgbkrk/atom-script

Update Babel CLI

cd ~/.atom/packages/script
npm uninstall --save-optional babel-cli
npm install --save-optional @babel/cli@latest
npm install --save-dev @babel/preset-env@latest
npm install --save-dev @babel/core@latest

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// via https://web.archive.org/web/20191104212834/https://www.nada.kth.se/utbildning/grukth/exjobb/rapportlistor/2010/rapporter10/szabo_adam_10131.pdf

(
{ | freq = 523.3572, mix=0.75, detune = 0.75 |
	var detuneCurve = { |x|
		(10028.7312891634*x.pow(11)) -
		(50818.8652045924*x.pow(10)) +
		(111363.4808729368*x.pow(9)) -
		(138150.6761080548*x.pow(8)) +
		(106649.6679158292*x.pow(7)) -

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import React, { useState, useEffect, useMemo } from 'react'
import { Machine } from 'xstate'
import { interpret } from 'xstate/lib/interpreter'

const toggleMachine = Machine({
  id: 'toggle',
  initial: 'inactive',
  states: {
    inactive: {
      on: { TOGGLE: 'active' }

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Idle
Artwork
  Draw
    Draw Idle
    Draw Drawing
  Marquee
    Marquee Idle
    Marquee Drawing Freeform
    Marquee Drawing Line
    Marquee Moving Artwork

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Workspace
  text focus -> Text Entry Mode
  toolbar marquee tool -> Marquee Selection Mode

  Drawing Mode
    pointerdown -> Drawing
    pointerup -> Drawing Idle
    option key & pointerdown -> Erasing
    Drawing Idle*
    Drawing

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-- via https://stackoverflow.com/questions/5723154/truncate-a-string-in-the-middle-with-javascript
--     https://stackoverflow.com/questions/831552/ellipsis-in-the-middle-of-a-text-mac-style/36470401#36470401
function truncateMiddle (str, maxLength, separator)
  maxLength = maxLength or 30
  separator = separator or "…"

  if (maxLength < 1) then return str end
  if (string.len(str) <= maxLength) then return str end
  if (maxLength == 1) then return string.sub(str, 0, 1) .. separator end

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-- spout.
-- 
-- key2 = sample A
-- key3 = sample B
-- enc2 = tempo
-- enc3 = rate selection
-- 

engine.name = 'Ack'

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require('regenerator-runtime/runtime')

import { forEach, map, pipe, fromEvent, scan } from 'callbag-basics'
import CAF from 'caf'

let source = pipe(
  fromEvent(document, 'keydown'),
  map(event => function * (signal) {
    console.log('%cbegin', 'color:red')
    yield CAF.delay(signal, 1000)