https://github.com/vincent-pradeilles/locatable

A micro-framework that leverages Swift Property Wrappers to implement the Service Locator pattern
https://github.com/vincent-pradeilles/locatable

Last synced: 1 day ago
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A micro-framework that leverages Swift Property Wrappers to implement the Service Locator pattern

• Host: GitHub
• URL: https://github.com/vincent-pradeilles/locatable
• Owner: vincent-pradeilles
• License: mit
• Created: 2019-06-07T00:05:05.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2021-04-02T14:50:05.000Z (about 4 years ago)
• Last Synced: 2025-04-11T19:55:08.078Z (3 days ago)
• Language: Swift
• Homepage:
• Size: 30.3 KB
• Stars: 118
• Watchers: 2
• Forks: 5
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Locatable

![platforms](https://img.shields.io/badge/platforms-iOS-333333.svg)

![pod](https://img.shields.io/cocoapods/v/Locatable.svg)

[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)

## Context

Locatable is a Swift micro framework that leverages Property Wrappers to implement the Service Locator pattern, through a custom attribute `@Locatable`.

Here's an example of how it can be used:

```swift

protocol Servicing {

    func action()

}

class Service: Servicing {

    func action() {

        print("I'm performing a service 😊")

    }

}

Locator.register(Servicing.self, { return Service() })

class MyController {

    @Locatable(.sharedInstance) var service: Servicing

    

    func work() {

        self.service.action()

    }

}

let controller = MyController()

controller.work() // I'm performing a service 😊

```

For convenience, some shorthand syntax are also available:

```swift

// leverages @autoclosure

Locator.register(Servicing.self, Service())

// leverages default argument values

Locator.register { return Service() as Servicing }

```

Service locating supports two distinct semantics:

```swift

// Will return an instance that is shared across the app

Locatable(.sharedInstance) var service: Servicing

// Will return a new instance every time

Locatable(.newInstance) var service: Servicing

```

## Requirements

Xcode 11+ & Swift 5.1

## Installation

### CocoaPods

Add the following to your `Podfile`:

`pod "Locatable"`

### Carthage

Add the following to your `Cartfile`:

`github "vincent-pradeilles/locatable"`

## Author

* Twitter: [@v_pradeilles](https://twitter.com/v_pradeilles)