macOS Get App Icon.swift

import AppKit

// MARK: - App Icons

func getIcon(file path: String) -> NSImage? {
    guard FileManager.default.fileExists(atPath: path)
    else { return nil }
    
    return NSWorkspace.shared.icon(forFile: path)
}

func getIcon(bundleID: String) -> NSImage? {
    guard let path = NSWorkspace.shared.absolutePathForApplication(withBundleIdentifier: bundleID)
    else { return nil }
    
    return getIcon(file: path)
}

func getIcon(application: String) -> NSImage? {
    guard let path = NSWorkspace.shared.fullPath(forApplication: application)
    else { return nil }
    
    return getIcon(file: path)
}

// MARK: - Bundles

/// Easily read Info.plist as a Dictionary from any bundle by accessing .infoDictionary on Bundle
func bundle(forBundleID: String) -> Bundle? {
    guard let url = NSWorkspace.shared.urlForApplication(withBundleIdentifier: forBundleID)
    else { return nil }
    
    return Bundle(url: url)
}