Use this to list out all the launchd plists in LaunchDaemons and LaunchAgents, and report the SMAppService.statusForLegacyPlist status.

checkLoginItems.swift

import Foundation
import ServiceManagement

func printStatus(plistPath: String) -> String {
    let plistURL = URL(fileURLWithPath: plistPath)
    let status = SMAppService.statusForLegacyPlist(at: plistURL)

    switch status {
    case .notRegistered:
        return plistPath + " is not registered"
    case .enabled:
        return plistPath + " is enabled"
    case .requiresApproval:
        return plistPath + " is requires approval"
    case .notFound:
        return plistPath + " is not found"
    @unknown default:
        return plistPath + " is unknown"
    }
}

let localFileManager = FileManager()
let daemonsDir = "/Library/LaunchDaemons"
let daemonsEnum = localFileManager.enumerator(atPath: daemonsDir)
let agentsDir = "/Library/LaunchAgents"
let agentsEnum = localFileManager.enumerator(atPath: agentsDir)

print("LaunchDaemons:")
while let file = daemonsEnum?.nextObject() as? String {
    if file.hasSuffix(".plist") {
        // print(daemonsDir.appending("/\(file)"))
        let status = printStatus(plistPath: daemonsDir.appending("/\(file)"))
        print(status)
    }
}

print("LaunchAgents:")
while let file = agentsEnum?.nextObject() as? String {
    if file.hasSuffix(".plist") {
        // print(agentsDir.appending("/\(file)"))
        let status = printStatus(plistPath: agentsDir.appending("/\(file)"))
        print(status)
    }
}