Reset Workflow for 3 monitors - macOS

move_to_three_monitors.jxa

// pre-reqs - homebrew, displayplacer
// brew install displayplacer
//
// How To Run
// osascript -l JavaScript ~/move_to_three_monitors.jxa

ObjC.import('stdlib')

const se = Application('System Events')
const app = Application.currentApplication()
app.includeStandardAdditions = true

// --- read displayplacer output ---
function getDisplayplacerOrigins() {
  const output = app.doShellScript("displayplacer list | grep 'origin'")
  // Correct regex: origin:(x,y)
  const matches = [...output.matchAll(/origin:\(([-\d]+),([-\d]+)\)/g)]
  return matches.map(m => ({ x: parseInt(m[1]), y: parseInt(m[2]) }))
}

// --- classify monitors dynamically ---
function classifyDisplays(coords) {
  let left = coords[0], right = coords[0], main = coords[0]
  coords.forEach(c => {
    if (c.x < left.x) left = c
    if (c.x > right.x) right = c
    if (c.x === 0 && c.y === 0) main = c
  })
  return { left, right, main }
}

const coords = getDisplayplacerOrigins()
if (coords.length === 0) {
  console.log("⚠️ Could not parse displayplacer output.")
  $.exit(1)
}
const { left, right, main } = classifyDisplays(coords)

// --- log what we detected ---
console.log(`Left: (${left.x},${left.y}) | Main: (${main.x},${main.y}) | Right: (${right.x},${right.y})`)

// --- helpers ---
function moveApp(names, dest, label) {
  names.forEach(n => {
    try {
      const proc = se.processes.byName(n)
      proc.windows().forEach(w => {
        try { w.position = [dest.x, dest.y]; console.log(`Moved ${n} to the ${label}`); } catch (e) {}
      })
    } catch (e) {}
  })
}

function moveByExactTitle(titleExact, dest, label) {
  se.processes().forEach(proc => {
    try {
      proc.windows().forEach(w => {
        const title = w.name()
        if (title === titleExact) {
          try { w.position = [dest.x, dest.y]; console.log(`Moved ${n} to the ${label}`); } catch (e) {}
        }
      })
    } catch (e) {}
  })
}

// --- Move Vivaldi Snapshot ---
moveApp(['Vivaldi Snapshot'], right, "right")
// moveByExactTitle('Vivaldi Snapshot', right, "right")

// --- Move Microsoft Teams ---
moveApp(['Microsoft Teams'], left, "left")
// moveByExactTitle('Microsoft Teams', left, "left")

// --- Everything else -> main monitor ---
se.processes().forEach(proc => {
  const name = proc.name().toLowerCase()
  // console.log(name);
  
  // Skip known app families
  const isVivaldi =
    name === "vivaldi snapshot"
  const isTeams =
    name.startsWith("microsoft teams") || name === "msteams"

  if (!isVivaldi && !isTeams) {
    try {
      proc.windows().forEach(w => { w.position = [main.x, main.y] })
    } catch (e) {}
  }
})
console.log(`Moved everything else to the center.`);