Automation script to configure macOS preferences from command line

apply.sh

#!/bin/bash
osascript -il JavaScript prefs.js

prefs.js

// Options.
const prefs = {
  appearance: {
    appearance: "blue",                     // the overall look of buttons, menus and windows.
    fontSmoothing: true,                    // is font smoothing on?
    fontSmoothingStyle: "automatic",        // the method used for smoothing fonts ("automatic", "light", "medium", "standard" or "strong").
    highlightColor: "blue",                 // color used for hightlighting selected text and lists ("blue", "gold", "graphite", "green", "orange", "purple", "red" or "silver").
    recentApplicationsLimit: 0,             // the number of recent applications to track.
    recentDocumentsLimit: 0,                // the number of recent documents to track.
    recentServersLimit: 0,                  // the number of recent servers to track.
    scrollBarAction: "jump to next page",   // the action performed by clicking the scroll bar.
    smoothScrolling: true,                  // is smooth scrolling used?
    darkMode: true                          // use dark menu bar and dock.
  },
  dock: {
    animate: true,            // is the animation of opening applications on or off?
    autohide: true,           // is autohiding the dock on or off?
    dockSize: 0.25,           // size/height of the items (between 0.0 (minimum) and 1.0 (maximum)).
    magnification: false,     // is magnification on or off?
    magnificationSize: 0,     // maximum magnification size when magnification is on (between 0.0 (minimum) and 1.0 (maximum)).
    minimizeEffect: "genie",  // minimization effect ("genie" or "scale").
    screenEdge: "left",       // location on screen ("bottom", "left" or "right").
  }
};

// Configurations.
const App = Application.currentApplication();
App.includeStandardAdditions = true;
App.strictPropertyScope = true;
App.strictCommandScope = true;
App.strictParameterType = true;

const SystemEvents = Application("System Events");

// Apply.
function apply() {
  for(let k in prefs.appearance) {
    SystemEvents.appearancePreferences[k] = prefs.appearance[k];
  }
  for(let k in prefs.dock) {
    SystemEvents.dockPreferences[k] = prefs.dock[k];
  }
}

// Check.
function check() {
  const currPrefs = {
    appearance: {},
    dock: {}
  };
  
  for(let k in prefs.appearance) {
    currPrefs.appearance[k] = SystemEvents.appearancePreferences[k]();
  }
  for(let k in prefs.dock) {
    currPrefs.dock[k] = SystemEvents.dockPreferences[k]();
  }
  
  return currPrefs;
}

function run() {
  console.log(JSON.stringify(check(), null, 2));
}

preinstall.sh

#!/bin/bash

# Install XCode command line tools.
xcode-select --install

# Install Homebrew.
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"