A package that provides a calculator view and shows its result. Operators are feature flag driven, we can show and hide the operator on the basis of our requirements.

1. Basic Operators +, _ , / *, sin and cos operators are available

2. Online Operator We used https://coinlayer.com/ API's to calculate the bit coin online operator

3. Feature Flag Driven Operators are drived from the the File "FeatureFlag.json"

{
    "calculator": {
        "showPlusOperatorr": true,
        "showMinusOperator": true,
        "showMultiplyOperator": true,
        "showDivisionOperator": true,
        "showEqualOperator": false,
        "showSinOperator": false,
        "showCosOperator": false,
        "showOnlineOperator": false
    }
}

4. Theme The foreground and background color of the UI is coming from the theme, We can change the theme for the whole UI by just like below

public enum Theme {
    public static var currentTheme  = Theme.theme1
    case theme1
    case theme2
}

Theme.currentTheme = Theme.theme2

5. App Structure This package has two dependent packages

   1. Reusable UI component - CalculatorUIComponent - https://github.com/vinay1357/CalculatorUIComponent
   2. Color Schemes - ThemeKit - https://github.com/vinay1357/Themekit

The Swift Package Manager is a tool for automating the distribution of Swift code and is integrated into the swift compiler.

Add this project to your Package.swift

import Calculator

let package = Package(
    dependencies: [
        .Package(url: "https://github.com/vinay1357/Calculator", majorVersion: 0, minor: 0)
    ]
)

A test app is avalable at https://github.com/vinay1357/Assignment_Calculator_Test_App

import Calculator

@main
struct Assignment_CalculatorApp: App {
    var body: some Scene {
        WindowGroup {
            CalculatorView()
        }
    }
}