javier
5f4316b85b
This PR contains the work done to create the new **Utility** package within the project, and also included in it the `NormalizeEmail` method, as it's not something that belongs to the **Infrastructure** package. Reviewed-on: rock-n-code/loud-amsterdam#29 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
32 lines
1.6 KiB
Markdown
32 lines
1.6 KiB
Markdown
# Utility
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The general-purpose helpers the **Loud** services share: small, single-purpose methods with no dependencies beyond Foundation and no ties to any web framework.
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## Overview
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The package provides, grouped by role:
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| Role | Types |
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| --- | --- |
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| Validation | `NormalizeEmail`, which reduces a submitted email address to its canonical form |
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## Design rules
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- **Dependency-free.** A helper belongs here only while it needs nothing beyond Foundation; one that grows a framework dependency belongs in the package owning that framework's concerns (e.g. `Infrastructure` for Hummingbird).
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- **Method structs.** Helpers hold their lifetime-fixed configuration in `init` and take only per-call inputs in `callAsFunction`.
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## Layout
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Sources are split by visibility, then by kind, one type per file:
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```
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Sources/
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└── Public/
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└── Methods/ NormalizeEmail
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Tests/
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├── Cases/ the test suites, mirroring the Sources/ layout
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└── Utils/ the suite Tag constants
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```
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## Testing
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Every suite carries a tag naming the kind of API it exercises — `.method`, declared in `Tests/Utils/Extensions/Tag+Constants.swift` — so test plans and result summaries can slice the run by kind. A new suite must adopt the tag matching its subject (or add a tag there if none fits).
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## Requirements
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- Swift 6.3 toolchain (`swift-tools-version:6.3`).
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- macOS 15, matching the sibling `Infrastructure`, `Localization`, and `Persistence` packages (the services deploy to Linux containers; the packages carry no UI platforms).
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- No package dependencies — Foundation only.
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