From 64407db69571462be7828729250aa679a449c7ff Mon Sep 17 00:00:00 2001
From: Alexander Zinn <alexzinnde@gmail.com>
Date: Thu, 30 Oct 2025 03:15:41 -0400
Subject: [PATCH] Add dependency management classes and interfaces

- Introduced Type and NamedType classes for type management
- Implemented IDependencyProvider interface for dependency provision
- Updated DependencyManager with a new lifecycle type 'service'
- Added methods for type comparison and URN generation in Type and NamedType
---
 src/di/DependencyManager.ts             |  1 +
 src/di/NamedType.ts                     | 22 ++++++++++++++++++++++
 src/di/Type.ts                          | 19 +++++++++++++++++++
 src/di/providers/IDependencyProvider.ts |  7 +++++++
 4 files changed, 49 insertions(+)
 create mode 100644 src/di/NamedType.ts
 create mode 100644 src/di/Type.ts
 create mode 100644 src/di/providers/IDependencyProvider.ts

diff --git a/src/di/DependencyManager.ts b/src/di/DependencyManager.ts
index 3165ab6..4b60b1c 100644
--- a/src/di/DependencyManager.ts
+++ b/src/di/DependencyManager.ts
@@ -7,6 +7,7 @@ type Registration = {
 /**
  * Lifecycle types:
  * - 'singleton': A single shared instance cached for the lifetime of the manager
+ * - 'sergice': A single shared instance cached for the lifetime of the manager
  * - 'transient': A new instance created on each resolve (transient)
  */
 type Lifecycle = 'transient' | 'singleton';
diff --git a/src/di/NamedType.ts b/src/di/NamedType.ts
new file mode 100644
index 0000000..f6a7c7c
--- /dev/null
+++ b/src/di/NamedType.ts
@@ -0,0 +1,22 @@
+import { Type } from "./Type";
+
+export class NamedType extends Type {
+  private readonly _name: string;
+
+  constructor(name: string, type: string) {
+    super(type);
+    this._name = name;
+  }
+
+  public getName(): string {
+    return this._name;
+  }
+
+  public equals(other: NamedType): boolean {
+    return super.equal(other) && other instanceof NamedType && this.getName() === other.getName();
+  }
+
+  public override toURN(): string {
+    return 'urn:namedtype:' + super.getType() + '#' + this._name;
+  }
+}
diff --git a/src/di/Type.ts b/src/di/Type.ts
new file mode 100644
index 0000000..310d767
--- /dev/null
+++ b/src/di/Type.ts
@@ -0,0 +1,19 @@
+export class Type {
+  private readonly _type: string;
+
+  constructor(type: string) {
+    this._type = type;
+  }
+
+  public getType(): string {
+    return this._type;
+  }
+
+  public equal(other: Type): boolean {
+    return other instanceof Type && this.getType() === other.getType();
+  }
+
+  public toURN() {
+    return 'urn:type:' + this._type;
+  }
+}
diff --git a/src/di/providers/IDependencyProvider.ts b/src/di/providers/IDependencyProvider.ts
new file mode 100644
index 0000000..c011194
--- /dev/null
+++ b/src/di/providers/IDependencyProvider.ts
@@ -0,0 +1,7 @@
+import type { Type } from "../Type";
+import type { NamedType } from "../NamedType";
+
+export interface IDependencyProvider {
+  canProvide(type: Type | NamedType): boolean;
+  provide(type: Type | NamedType): unknown;
+}