Amits Launch Pad Pro Light Show Editor - Unofficial Launchpad Mini Mk3 support

run-in-console.js

// Run this in the console at https://midi.amitszone.com/LPP_LIGHTSHOW_BUILDER/	
// to get it to work with the Launchpad Mini Mk3. It may work with other new
// Launchpads, I'm not sure (If it does, comment below, thanks!)

(() => {
  // Create mapping of Launchpad Pro -> Mini Mk3 notes
  // (This is only the mapping for the 8x8 grid area)
  const noteMap = {}
  for (let i = 1; i <= 8; i++) {
    for (let j = 1; j <= 8; j++) {
      noteMap[10 * i + j] = i * 4 + j + (j > 4 ? 59 : 31)
    }
  }
  
  // Override existing app grid/preview behavior with our own
  const midiChannel = 1
  const obj = vueApp.MIDI.OUT1.PORT
  const playNote = obj.playNote.bind(obj)
  obj.playNote = (note, channel, options) => {
    const newNote = noteMap[note]
    if (newNote) {
      playNote(newNote, midiChannel, options)
    }
  }

  // Override MIDI export
  const toMIDI = Model.toMIDI.bind(Model)
  const forEach = (fn) => Model.FRAMES.forEach(f => f.MAP.forEach(r => r.forEach(fn)))
  Model.toMIDI = () => {
    forEach(p => {
      p._index = p.INDEX
      p.INDEX = noteMap[p.INDEX]
    })
    toMIDI()
    forEach(p => {
      p.INDEX = p._index
    })
  }

})()