{"id":17651012,"url":"https://github.com/g-mark/evident","last_synced_at":"2026-01-05T21:03:41.269Z","repository":{"id":207799276,"uuid":"717576474","full_name":"g-mark/Evident","owner":"g-mark","description":"Thread-safe components for working with Swift Concurrency","archived":false,"fork":false,"pushed_at":"2024-05-31T14:22:07.000Z","size":106,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-28T16:49:31.290Z","etag":null,"topics":["async-await","networking","swift-concurrency"],"latest_commit_sha":null,"homepage":"","language":"Swift","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/g-mark.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-11-11T22:16:24.000Z","updated_at":"2024-05-31T14:22:10.000Z","dependencies_parsed_at":"2024-05-31T15:51:46.361Z","dependency_job_id":"7a506062-592b-4bb9-bded-de3efb878486","html_url":"https://github.com/g-mark/Evident","commit_stats":null,"previous_names":["g-mark/evident"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/g-mark%2FEvident","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/g-mark%2FEvident/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/g-mark%2FEvident/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/g-mark%2FEvident/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/g-mark","download_url":"https://codeload.github.com/g-mark/Evident/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":245087379,"owners_count":20558765,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["async-await","networking","swift-concurrency"],"created_at":"2024-10-23T11:39:59.180Z","updated_at":"2026-01-05T21:03:36.225Z","avatar_url":"https://github.com/g-mark.png","language":"Swift","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Evident\n\nThread-safe components for working with Swift Concurrency.\n\n## Networking\n\n### AuthorizationProvider\n\nUse an [AuthorizationProvider](Docs/AuthorizationProvider.md) to manage the process of authorizing `URLRequest`s - specifically, working with a token refresh flow.\n\n## Messaging\n\nPublish \u0026 Subscribe using a simple [MessageQueue](Sources/Evident/Messaging/MessageQueue.swift).\n\n## Value Observation\n\nHold a value that can be observed for changes - in whole or in part - using an [ObserervableValue](Sources/Evident/Observation/ObservableValue.swift) - an alternative to `@Observable`.\n\n### ManagedValue\n\nCreate composite \"data manager\" / repository actors using a [`ManagedValue`](Sources/Evident/Observation/ManagedValue.swift).  A `ManagedValue` is a read-only, optionally cached, `ObserervableValue`, with controlled mutability via special \"setter\" object.\n\nA \"data manager\" is an abstraction layer that can be thought of as a \"repository\". It provides read access to some data, which can be observerd for changes.  It provides write access through dedicated methods, where there is an opportunity for extra business logic and/or communication with a [back end] service.\n\nE.g.:\n```swift\nactor MyDataManager {\n    \n    // MARK: - Public API\n    \n    /// Observable `MyData` value\n    let myData: ManagedValue\u003cMyData\u003e\n    \n    func updateName(value: String) async throws {\n        // 1. (todo) apply extra business logic (validation, etc.)\n        // 2. (todo) call some back end service to update a remote value\n        \n        // 3. update the managed value:\n        await setter.set(\\.name, value: value)\n    }\n    \n    func updateNumber(value: Int) async throws {\n        // 1. (todo) apply extra business logic (validation, etc.)\n        // 2. (todo) call some back end service to update a remote value\n        \n        // 3. update the managed value:\n        await setter.set(\\.number, value: value)\n    }\n    \n    // MARK: - Private implementation details\n    \n    private let setter: ManagedValue\u003cMyData\u003e.Setter\n    \n    init() {\n        (myData, setter) = ManagedValue.create(\n            defaultValue: MyData(name: \"\", number: 0)\n        )\n    }\n}\n\n//  Usage:\nextension MyDataManager {\n    static let shared = MyDataManager()\n}\n\nlet cancellable = MyDataManager.shared.myData.observe(\\.name) { name in\n    print(\"Name is now: \\(name)\")\n}\n\ntry await MyDataManager.shared.updateName(value: \"Jo\")\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fg-mark%2Fevident","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fg-mark%2Fevident","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fg-mark%2Fevident/lists"}