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Releases: maranmaran/dotnet-differ

Release 2.0.0

15 Jun 20:00
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2.0.0
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Release 2.0.0

Differ.DotNet

DotnetDiffer Banner

Differ.DotNet is diffing library for custom types and objects.

Get a list of differences of your instances quickly with flexibility to specify custom property names, what to keep or ignore in your difference and make your change observation features easier.

Installation

NuGet

Usage

Retrieve differences:

record Car(string Model, string Color, int Year);

Car car1 = new Car("Toyota Camry", "Blue", 2022);
Car car2 = new Car("Ford Mustang", "Red", 2023);

IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output:

[
  {
    "fullPath": "color",
    "fieldPath": "",
    "fieldName": "color",
    "leftValue": "Blue",
    "rightValue": "Red"
  },
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "leftValue": "Toyota Camry",
    "rightValue": "Ford Mustang"
  },
  {
    "fullPath": "year",
    "fieldPath": "",
    "fieldName": "year",
    "leftValue": 2022,
    "rightValue": 2023
  }
]

KeepInDiff attribute

Keep root and child values even if there is no diff

class Car([property:KeepInDiff]string Model);

Car car1 = new Car("Toyota");
Car car2 = new Car("Toyota");

IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output

[
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "leftValue": "Toyota",
    "rightValue": "Toyota"
  }
]

IgnoreInDiff attribute

Ignores root and child values

class Car([property:IgnoreInDiff]string Model);

Car car1 = new Car("Toyota");
Car car2 = new Car("Toyota");

// Empty diff
IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Keep and Ignore attribute strength:

More nested attributes have bigger strength than parent ones.
This means that if you define IgnoreInDiff on root property, but KeepInDiff child property or reverse, expect that child property attribute to override parent one.

DiffPropertyName attribute

Applies custom names into Difference.CustomFullPath, Difference.CustomFieldPath, Difference.CustomFieldName props

class Car([property:DiffPropertyName("Make")]string Model);

Car car1 = new Car("Toyota");
Car car2 = new Car("Ford");

IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output

[
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "leftValue": "Toyota",
    "rightValue": "Ford",
    "customFullPath": "Make",
    "customFieldPath": "",
    "customFieldName": "Make"
  }
]

Full demo

Combine and enjoy:

    public class Car
    {
        public string Model { get; set; }

        [IgnoreInDiff]
        public string Color { get; set; }

        public int Year { get; set; }

        public List<Accessory> Accessories { get; set; }

        [IgnoreInDiff]
        public List<string> Features { get; set; }

        [JsonIgnore]
        [DiffPropertyName("features")]
        public string FeaturesFlag => string.Join(", ", Features);

        public Car(string model, string color, int year)
        {
            Model = model;
            Color = color;
            Year = year;
            Accessories = new List<Accessory>();
            Features = new List<string>();
        }
    }

    public class Accessory
    {
        [KeepInDiff]
        public string Name { get; set; }

        public decimal Price { get; set; }
    }

    Car car1 = new Car("Toyota Camry", "Blue", 2022);
    car1.Accessories.Add(new Accessory { Name = "Floor Mats", Price = 50.99m });
    car1.Accessories.Add(new Accessory { Name = "Roof Rack", Price = 150.99m });
    car1.Features.Add("GPS Navigation");
    car1.Features.Add("Backup Camera");

    Car car2 = new Car("Honda Civic", "Silver", 2023);
    car2.Accessories.Add(new Accessory { Name = "Floor Mats", Price = 80.99m });
    car2.Accessories.Add(new Accessory { Name = "Roof Rack", Price = 200.50m });
    car2.Features.Add("Sunroof");
    car2.Features.Add("Lane Departure Warning");

    IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output:

[
  {
    "fullPath": "accessories.0.name",
    "fieldPath": "accessories.0",
    "fieldName": "name",
    "leftValue": "Floor Mats",
    "rightValue": "Floor Mats"
  },
  {
    "fullPath": "accessories.0.price",
    "fieldPath": "accessories.0",
    "fieldName": "price",
    "leftValue": 50.99,
    "rightValue": 80.99
  },
  {
    "fullPath": "accessories.1.name",
    "fieldPath": "accessories.1",
    "fieldName": "name",
    "leftValue": "Roof Rack",
    "rightValue": "Roof Rack"
  },
  {
    "fullPath": "accessories.1.price",
    "fieldPath": "accessories.1",
    "fieldName": "price",
    "leftValue": 150.99,
    "rightValue": 200.50
  },
  {
    "fullPath": "featuresFlag",
    "fieldPath": "",
    "fieldName": "featuresFlag",
    "leftValue": "GPS Navigation, Backup Camera",
    "rightValue": "Sunroof, Lane Departure Warning",
    "customFullPath": "features",
    "customFieldPath": "",
    "customFieldName": "features"
  },
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "leftValue": "Toyota Camry",
    "rightValue": "Honda Civic"
  },
  {
    "fullPath": "year",
    "fieldPath": "",
    "fieldName": "year",
    "leftValue": 2022,
    "rightValue": 2023
  }
]

License

See LICENSE.

Copyright

Copyright (c) 2023 Marko Urh and other authors.

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Release 1.0.0

15 Jun 14:32
@github-actions github-actions
1.0.0
a5ea8cb
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Release 1.0.0

Differ.DotNet

DotnetDiffer Banner

Differ.DotNet is diffing library for custom types and objects.

Get a list of differences of your instances quickly with flexibility to specify custom property names, what to keep or ignore in your difference and make your change observation features easier.

Installation

NuGet

Usage

Retrieve differences:

record Car(string Model, string Color, int Year);

Car car1 = new Car("Toyota Camry", "Blue", 2022);
Car car2 = new Car("Ford Mustang", "Red", 2023);

IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output:

[
  {
    "fullPath": "color",
    "fieldPath": "",
    "fieldName": "color",
    "oldValue": "Blue",
    "newValue": "Red"
  },
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "oldValue": "Toyota Camry",
    "newValue": "Ford Mustang"
  },
  {
    "fullPath": "year",
    "fieldPath": "",
    "fieldName": "year",
    "oldValue": 2022,
    "newValue": 2023
  }
]

KeepInDiff attribute

Keep root and child values even if there is no diff

class Car([property:KeepInDiff]string Model);

Car car1 = new Car("Toyota");
Car car2 = new Car("Toyota");

IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output

[
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "oldValue": "Toyota",
    "newValue": "Toyota"
  }
]

IgnoreInDiff attribute

Ignores root and child values

class Car([property:IgnoreInDiff]string Model);

Car car1 = new Car("Toyota");
Car car2 = new Car("Toyota");

// Empty diff
IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Keep and Ignore attribute strength:

More nested attributes have bigger strength than parent ones.
This means that if you define IgnoreInDiff on root property, but KeepInDiff child property or reverse, expect that child property attribute to override parent one.

DiffPropertyName attribute

Applies custom names into Difference.CustomFullPath, Difference.CustomFieldPath, Difference.CustomFieldName props

class Car([property:DiffPropertyName("Make")]string Model);

Car car1 = new Car("Toyota");
Car car2 = new Car("Ford");

IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output

[
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "oldValue": "Toyota",
    "newValue": "Ford",
    "customFullPath": "Make",
    "customFieldPath": "",
    "customFieldName": "Make"
  }
]

Full demo

Combine and enjoy:

    public class Car
    {
        public string Model { get; set; }

        [IgnoreInDiff]
        public string Color { get; set; }

        public int Year { get; set; }

        public List<Accessory> Accessories { get; set; }

        [IgnoreInDiff]
        public List<string> Features { get; set; }

        [JsonIgnore]
        [DiffPropertyName("features")]
        public string FeaturesFlag => string.Join(", ", Features);

        public Car(string model, string color, int year)
        {
            Model = model;
            Color = color;
            Year = year;
            Accessories = new List<Accessory>();
            Features = new List<string>();
        }
    }

    public class Accessory
    {
        [KeepInDiff]
        public string Name { get; set; }

        public decimal Price { get; set; }
    }

    Car car1 = new Car("Toyota Camry", "Blue", 2022);
    car1.Accessories.Add(new Accessory { Name = "Floor Mats", Price = 50.99m });
    car1.Accessories.Add(new Accessory { Name = "Roof Rack", Price = 150.99m });
    car1.Features.Add("GPS Navigation");
    car1.Features.Add("Backup Camera");

    Car car2 = new Car("Honda Civic", "Silver", 2023);
    car2.Accessories.Add(new Accessory { Name = "Floor Mats", Price = 80.99m });
    car2.Accessories.Add(new Accessory { Name = "Roof Rack", Price = 200.50m });
    car2.Features.Add("Sunroof");
    car2.Features.Add("Lane Departure Warning");

    IEnumerable<Difference> carDiff = DifferDotNet.Diff(car1, car2);

Output:

[
  {
    "fullPath": "accessories.0.name",
    "fieldPath": "accessories.0",
    "fieldName": "name",
    "oldValue": "Floor Mats",
    "newValue": "Floor Mats"
  },
  {
    "fullPath": "accessories.0.price",
    "fieldPath": "accessories.0",
    "fieldName": "price",
    "oldValue": 50.99,
    "newValue": 80.99
  },
  {
    "fullPath": "accessories.1.name",
    "fieldPath": "accessories.1",
    "fieldName": "name",
    "oldValue": "Roof Rack",
    "newValue": "Roof Rack"
  },
  {
    "fullPath": "accessories.1.price",
    "fieldPath": "accessories.1",
    "fieldName": "price",
    "oldValue": 150.99,
    "newValue": 200.50
  },
  {
    "fullPath": "featuresFlag",
    "fieldPath": "",
    "fieldName": "featuresFlag",
    "oldValue": "GPS Navigation, Backup Camera",
    "newValue": "Sunroof, Lane Departure Warning",
    "customFullPath": "features",
    "customFieldPath": "",
    "customFieldName": "features"
  },
  {
    "fullPath": "model",
    "fieldPath": "",
    "fieldName": "model",
    "oldValue": "Toyota Camry",
    "newValue": "Honda Civic"
  },
  {
    "fullPath": "year",
    "fieldPath": "",
    "fieldName": "year",
    "oldValue": 2022,
    "newValue": 2023
  }
]

License

See LICENSE.

Copyright

Copyright (c) 2023 Marko Urh and other authors.

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