Attractor/App/Utilities/StringUtilities.swift

//
//  StringUtilities.swift
//  App
//
//  Created by James Magahern on 7/31/24.
//

import Foundation

extension String {
    internal func middleTruncatedString(maximumLength: Int) -> String {
        if maximumLength > self.count {
            return self
        }
        
        // Compute replacement range
        let pivot = self.count / 2
        let truncationLength = self.count - maximumLength
        
        let pivotIndex = self.index(startIndex, offsetBy: pivot)
        let startIndex = self.index(pivotIndex, offsetBy: -truncationLength / 2)
        let endIndex = self.index(pivotIndex, offsetBy: truncationLength / 2)
        
        return replacingCharacters(in: startIndex..<endIndex, with: "…")
    }
}