version: Fix version number

version: Pre release version bump to v0.1.0-.1
Merge branch 'main' into dev/v1.0.0
2024-08-28 13:59:34 +02:00 · 2024-08-24 03:22:58 +02:00 · 2024-08-24 03:16:29 +02:00 · 2024-08-24 02:40:21 +02:00 · 2024-08-24 02:34:21 +02:00 · 2024-08-24 02:32:58 +02:00
9 changed files with 311 additions and 280 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,17 +9,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

 ### Added

+- feat: Add new `IdentifierRequiredError` class for missing identifiers.
+- feat: Add the option to use the decorators without passing the identifier: In this case, the identifier will be the class name (register) or the property name (inject).
 - Add pre release building to release workflow on dev/* branches an version changes.

-
 ### Deprecated


 ### Removed

+- feat!: Disable `experimentalDecorators` and `emitDecoratorMetadata` in the `tsconfig.json` file to reflect the change to the stable decorators api.

 ### Fixed

+- feat!: Update `Register`, `RegisterInstance` and `Inject` decorators to reflect the change to the stable decorators api.
+- feat!: Update `Inject` Decorator typing to reflect the correct property type.

 ### Security

--- a/package-lock.json
+++ b/package-lock.json
@@ -1,19 +1,19 @@
 {
  "name": "ts-injex",
-  "version": "0.1.0",
+  "version": "0.1.0-alpha",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "ts-injex",
-      "version": "0.1.0",
+      "version": "0.1.0-alpha",
      "license": "MIT",
      "dependencies": {
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        "jest-environment-jsdom": "^29.7.0"
      },
      "devDependencies": {
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@@ -1218,14 +1218,79 @@
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-      "dev": true,
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-    "node_modules/@stylistic/eslint-plugin/node_modules/picomatch": {
+    "node_modules/@stylistic/eslint-plugin-jsx/node_modules/picomatch": {
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+      "dev": true,
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+        "@typescript-eslint/utils": "^8.0.0"
+      },
+      "peerDependencies": {
+        "eslint": "*"
+      }
+    },
+    "node_modules/@stylistic/eslint-plugin-ts": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/@stylistic/eslint-plugin-ts/-/eslint-plugin-ts-2.6.2.tgz",
+      "integrity": "sha512-6OEN3VtUNxjgOvWPavnC10MByr1H4zsgwNND3rQXr5lDFv93MLUnTsH+/SH15OkuqdyJgrQILI6b9lYecb1vIg==",
+      "dev": true,
+      "dependencies": {
+        "@stylistic/eslint-plugin-js": "2.6.2",
+        "@types/eslint": "^9.6.0",
+        "@typescript-eslint/utils": "^8.0.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
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+      }
+    },
    "node_modules/@tootallnate/once": {
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      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-2.0.0.tgz",
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-      "optional": true,
-      "peer": true,
+      "devOptional": true,
      "dependencies": {
        "@types/estree": "*",
        "@types/json-schema": "*"
@@ -1474,8 +1406,7 @@
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-      "optional": true,
-      "peer": true
+      "devOptional": true
    },
    "node_modules/@types/graceful-fs": {
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@@ -1540,8 +1471,7 @@
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-      "optional": true,
-      "peer": true
+      "devOptional": true
    },
    "node_modules/@types/json5": {
      "version": "0.0.29",
@@ -1805,9 +1735,9 @@
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+      "version": "8.12.1",
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@@ -6028,6 +5958,11 @@
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+    "node_modules/reflect-metadata": {
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+    },
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--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "ts-injex",
-  "version": "0.1.0",
+  "version": "0.1.0-alpha",
  "description": "Simple boilerplate code free dependency injection system for TypeScript.",
  "type": "module",
  "main": "./dist/index.js",
@@ -36,7 +36,7 @@
    "typescript": "^5.5.4",
    "@types/jest": "^29.5.12",
    "@types/node": "^20.14.11",
-    "@stylistic/eslint-plugin": "^2.10.1",
+    "@stylistic/eslint-plugin": "^2.6.2",
    "@typescript-eslint/eslint-plugin": "^8.1.0",
    "@typescript-eslint/parser": "^8.1.0",
    "eslint-plugin-deprecation": "^3.0.0",
--- a/src/tests/Decorators.spec.ts
+++ b/src/tests/Decorators.spec.ts
@@ -67,6 +67,29 @@ export function test_InjectDecorator(
            expect(instance.getDependency().value).toBe('test-value-init');
        });

+        it('should inject dependency and run initializer without identifier', () => {
+            container.register('MockDependencyIdentifier', {
+                value: 'test-value',
+            });
+
+            class TestClass {
+                @Inject(undefined, (x: string) => {
+                    (x as unknown as { value: string }).value =
+                        'test-value-init';
+
+                    return x;
+                })
+                MockDependencyIdentifier!: any;
+
+                public getDependency() {
+                    return this.MockDependencyIdentifier;
+                }
+            }
+
+            const instance = new TestClass();
+            expect(instance.getDependency().value).toBe('test-value-init');
+        });
+
        it('should throw an error when necessary is true and the initializer throws an error', () => {
            let _error: Error | undefined = undefined;

@@ -78,7 +101,7 @@ export function test_InjectDecorator(
                class TestClass {
                    @Inject(
                        'InitThrowDependencie',
-                        () => {
+                        (): any => {
                            throw new Error('Initializer error');
                        },
                        true,
@@ -275,6 +298,19 @@ export function test_RegisterDecorator(
                TestClass,
            );
        });
+
+        it('should register a dependency without an identifier', () => {
+            @register()
+            class TestClass {
+                private readonly _dependency!: any;
+
+                public getDependency() {
+                    return this._dependency;
+                }
+            }
+
+            expect(container.resolve('TestClass')).toBe(TestClass);
+        });
    });
 }

@@ -311,6 +347,23 @@ export function test_RegisterInstanceDecorator(
            ).toBe('instance');
        });

+        it('should register an instance of a dependency with an identifier', () => {
+            @registerInstance()
+            class TestClass {
+                private readonly _dependency!: any;
+
+                public getDependency() {
+                    return this._dependency;
+                }
+
+                public mark: string = 'instance';
+            }
+
+            expect(container.resolve<TestClass>('TestClass').mark).toBe(
+                'instance',
+            );
+        });
+
        it('should register an instance of a dependency an run the init function', () => {
            @registerInstance(
                'InstanceIdentifier',
--- a/src/decorators/Inject.ts
+++ b/src/decorators/Inject.ts
@@ -1,5 +1,6 @@
 import {
    DependencyResolutionError,
+    IdentifierRequiredError,
    InitializationError,
    InjectorError,
    NoInstantiationMethodError,
@@ -10,17 +11,17 @@ import { InitDelegate } from '../types/InitDelegate';

 /**
 * A decorator to inject a dependency from a DI (Dependency Injection) container into a class property.
- * @template T The type of the dependency to be injected.
- * @template U The type of the property to be injected.
- * @param identifier The identifier used to resolve the class in the DI container.
- * @see {@link Identifier} for more information on identifiers.
- * @param init Optional an initializer function to transform the dependency before injection
+ * @template TargetType The type of the class to inject the dependency into.
+ * @template DependencyType The type of the dependency to be injected.
+ * @template PropertyType The type of the property to be injected.
+ * @param identifier The {@link Identifier|identifier} used to resolve the dependencie in the DI container or the property name if not provided.
+ * @param init An optional initializer {@link InitDelegate|function} to transform the dependency before injection
 * or true to instantiate the dependency if it has a constructor.
- * @see {@link InitDelegate} for more information on initializer functions.
 * @param necessary If true, throws an error if the dependency is not found.
 * @returns The resolved dependency or undefined if the dependency is not necessary
 * and not found, or throws an error if the dependency is necessary and not found.
 * @throws **Only throws errors if the dependency is necessary.**
+ * @throws An {@link IdentifierRequiredError} if the identifier is not provided and the class name is not available.
 * @throws A {@link DependencyResolutionError} if the dependency is not found.
 * @throws A {@link InjectorError} if an error occurs during the injection process.
 * @throws A {@link NoInstantiationMethodError} if the dependency does not have a constructor.
@@ -40,70 +41,86 @@ import { InitDelegate } from '../types/InitDelegate';
 * }
 * ```
 */
-export function Inject<T, U>(
-    identifier: Identifier,
-    init?: InitDelegate<T, U> | true,
+export function Inject<TargetType, DependencyType, PropertyType>(
+    identifier?: Identifier,
+    init?: InitDelegate<DependencyType, PropertyType> | true,
    necessary = true,
 ) {
-    return function (target: unknown, propertyKey: string | symbol): void {
+    return function (
+        constructor: undefined,
+        context: ClassFieldDecoratorContext<TargetType> & {
+            name: PropertyType;
+        },
+    ): void {
+        const _identifier = identifier ?? context.name;
+
+        if (_identifier == null && necessary === true)
+            throw new IdentifierRequiredError();
+
        /**
         * Function to evaluate the dependency lazily
         * to avoid circular dependencies, not found dependencies, etc.
         * @returns The resolved dependency or undefined if the dependency is not found.
         */
-        const resolve = (): T | undefined => {
-            return TSinjex.getInstance().resolve<T>(identifier, necessary);
+        const resolve = (): DependencyType | undefined => {
+            return TSinjex.getInstance().resolve<DependencyType>(
+                _identifier,
+                necessary,
+            );
        };

-        Object.defineProperty(target, propertyKey, {
-            get() {
-                let instance: T | U | undefined;
+        context.addInitializer(function (this: TargetType) {
+            Object.defineProperty(this, context.name, {
+                get() {
+                    let instance: DependencyType | PropertyType | undefined;

-                const dependency: T | undefined = tryAndCatch(
-                    () => resolve(),
-                    necessary,
-                    identifier,
-                    DependencyResolutionError,
-                );
+                    const dependency: DependencyType | undefined = tryAndCatch(
+                        () => resolve(),
+                        necessary,
+                        _identifier,
+                        DependencyResolutionError,
+                    );

-                if (dependency != null) {
-                    const initFunction: (() => U) | undefined =
-                        typeof init === 'function' && dependency != null
-                            ? (): U => init(dependency)
-                            : init === true && hasConstructor(dependency)
-                              ? (): U => new dependency() as U
-                              : undefined;
+                    if (dependency != null) {
+                        const initFunction: (() => PropertyType) | undefined =
+                            typeof init === 'function' && dependency != null
+                                ? (): PropertyType => init(dependency)
+                                : init === true && hasConstructor(dependency)
+                                  ? (): PropertyType =>
+                                        new dependency() as PropertyType
+                                  : undefined;

-                    if (init == null) instance = dependency;
-                    else if (initFunction != null)
-                        instance = tryAndCatch(
-                            initFunction,
-                            necessary,
-                            identifier,
-                            InitializationError,
-                        );
-                    else if (necessary)
-                        throw new NoInstantiationMethodError(identifier);
-                } else if (necessary)
-                    throw new DependencyResolutionError(identifier);
+                        if (init == null) instance = dependency;
+                        else if (initFunction != null)
+                            instance = tryAndCatch(
+                                initFunction,
+                                necessary,
+                                _identifier,
+                                InitializationError,
+                            );
+                        else if (necessary)
+                            throw new NoInstantiationMethodError(_identifier);
+                    } else if (necessary)
+                        throw new DependencyResolutionError(_identifier);

+                    /**
+                     * Replace itself with the resolved dependency
+                     * for performance reasons.
+                     */
+                    Object.defineProperty(this, context.name, {
+                        value: instance,
+                        writable: false,
+                        enumerable: false,
+                        configurable: false,
+                    });
+
+                    return instance;
+                },
                /**
-                 * Replace itself with the resolved dependency
-                 * for performance reasons.
+                 * Make the property configurable to allow replacing it
                 */
-                Object.defineProperty(this, propertyKey, {
-                    value: instance,
-                    writable: false,
-                    enumerable: false,
-                    configurable: false,
-                });
-
-                return instance;
-            },
-            /**
-             * Make the property configurable to allow replacing it
-             */
-            configurable: true,
+                configurable: true,
+            });
        });
    };
 }
--- a/src/decorators/Register.ts
+++ b/src/decorators/Register.ts
@@ -1,14 +1,14 @@
+import { IdentifierRequiredError } from 'src/interfaces/Exceptions';
 import { TSinjex } from '../classes/TSinjex';
 import { Identifier } from '../types/Identifier';

 /**
 * A decorator to register a class in the **TSinjex** DI (Dependency Injection) container.
 * @template TargetType The type of the class to be registered.
- * @param identifier The identifier used to register the class in the DI container.
- * @see {@link Identifier} for more information on identifiers.
- * @param deprecated If true, the dependency is deprecated and a warning
- * is logged only once upon the first resolution of the dependency.
+ * @param identifier The {@link Identifier|identifier} used to register the class in the DI container or the class name if not provided.
+ * @param deprecated If true, the dependency is deprecated and a warning is logged only once upon the first resolution of the dependency.
 * @returns The decorator function to be applied on the class.
+ * @throws An {@link IdentifierRequiredError} if the identifier is not provided and the class name is not available.
 * @example
 * ```ts
 * \@Register('MyClassIdentifier')
@@ -19,12 +19,16 @@ import { Identifier } from '../types/Identifier';
 */
 export function Register<
    TargetType extends new (...args: unknown[]) => InstanceType<TargetType>,
->(identifier: Identifier, deprecated?: boolean) {
-    return function (constructor: TargetType, ...args: unknown[]): void {
-        // Get the instance of the DI container
-        const diContainer = TSinjex.getInstance();
+>(identifier?: Identifier, deprecated?: boolean) {
+    return function (
+        constructor: TargetType,
+        context: ClassDecoratorContext<TargetType>,
+    ) {
+        const _identifier = identifier ?? context.name;

-        // Register the class in the DI container
-        diContainer.register(identifier, constructor, deprecated);
+        if (_identifier == null) throw new IdentifierRequiredError();
+
+        const diContainer = TSinjex.getInstance();
+        diContainer.register(_identifier, constructor, deprecated);
    };
 }
--- a/src/decorators/RegisterInstance.ts
+++ b/src/decorators/RegisterInstance.ts
@@ -1,3 +1,4 @@
+import { IdentifierRequiredError } from 'src/interfaces/Exceptions';
 import { TSinjex } from '../classes/TSinjex';
 import { Identifier } from '../types/Identifier';
 import { InitDelegate } from '../types/InitDelegate';
@@ -5,12 +6,11 @@ import { InitDelegate } from '../types/InitDelegate';
 /**
 * A decorator to register an instance of a class in the DI (Dependency Injection) container.
 * @template TargetType The type of the class whose instance is to be registered.
- * @param identifier The identifier used to register the instance in the DI container.
- * @see {@link Identifier} for more information on identifiers.
- * @param init An optional initializer function which get the constructor of the class
+ * @param identifier The {@link Identifier|identifier} used to register the class in the DI container or the class name if not provided.
+ * @param init An optional initializer {@link InitDelegate|function} which get the constructor of the class
 * as input and returns an instance of the class.
- * @see {@link InitDelegate} for more information on initializer functions.
 * @returns The decorator function to be applied on the class.
+ * @throws An {@link IdentifierRequiredError} if the identifier is not provided and the class name is not available.
 * @example
 * ```ts
 * \@RegisterInstance('MyClassInstanceIdentifier', (constructor) => new constructor())
@@ -22,43 +22,51 @@ import { InitDelegate } from '../types/InitDelegate';
 export function RegisterInstance<
    TargetType extends new (..._args: unknown[]) => InstanceType<TargetType>,
 >(
-    identifier: Identifier,
+    identifier?: Identifier,
    init?: InitDelegate<
        TargetType & { new (..._args: unknown[]): InstanceType<TargetType> },
        InstanceType<TargetType>
    >,
 ) {
-    return function (constructor: TargetType, ...args: unknown[]): void {
-        // Get the instance of the DI container
+    return function (
+        constructor: TargetType,
+        context: ClassDecoratorContext<TargetType>,
+    ): void {
+        const _identifier = identifier ?? context.name;
+
+        if (_identifier == null) throw new IdentifierRequiredError();
+
        const diContainer = TSinjex.getInstance();
        let instance: InstanceType<TargetType>;

+        /**
+         * Get the instance of the class
+         * and replace the lazy proxy with the instance
+         * for performance optimization.
+         */
+        const getAndRegisterInstance = (): void => {
+            if (instance == null) {
+                if (init) {
+                    instance = init(constructor);
+                } else {
+                    instance = new constructor();
+                }
+            }
+            diContainer.register(_identifier, instance);
+        };
+
        // Create a proxy to instantiate the class when needed (Lazy Initialization)
-        let lazyProxy: unknown = new Proxy(
+        const lazyProxy: unknown = new Proxy(
            {},
            {
-                get(target, prop, receiver) {
-                    if (instance == null) {
-                        if (init) {
-                            instance = init(constructor);
-                        } else {
-                            instance = new constructor(...args);
-                        }
-                    }
-                    lazyProxy = instance;
+                get(_target, prop, _receiver) {
+                    getAndRegisterInstance();

                    // Return the requested property of the instance
                    return instance[prop as keyof InstanceType<TargetType>];
                },
-                set(target, prop, value, receiver) {
-                    if (instance == null) {
-                        if (init) {
-                            instance = init(constructor);
-                        } else {
-                            instance = new constructor(...args);
-                        }
-                    }
-                    lazyProxy = instance;
+                set(_target, prop, value, _receiver) {
+                    getAndRegisterInstance();

                    // Set the requested property of the instance
                    return (instance[prop as keyof InstanceType<TargetType>] =
@@ -67,7 +75,6 @@ export function RegisterInstance<
            },
        );

-        // Register the lazy proxy in the DI container
-        diContainer.register(identifier, lazyProxy);
+        diContainer.register(_identifier, lazyProxy);
    };
 }
--- a/src/interfaces/Exceptions.ts
+++ b/src/interfaces/Exceptions.ts
@@ -15,6 +15,19 @@ export class TSinjexError extends Error {
    }
 }

+/**
+ * Error class for missing identifiers in {@link ITSinjex} methods.
+ */
+export class IdentifierRequiredError extends TSinjexError {
+    /**
+     * Creates a new instance of {@link IdentifierRequiredError}
+     */
+    constructor() {
+        super('Identifier is required.');
+        this.name = 'TSinjexIdentifierRequiredError';
+    }
+}
+
 /**
 * Error class for dependency resolution errors in {@link ITSinjex}.
 * @see {@link ITSinjex.resolve}
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -18,8 +18,6 @@
        "importHelpers": true,
        "isolatedModules": true,
        "resolveJsonModule": true,
-        "experimentalDecorators": true,
-        "emitDecoratorMetadata": true,
        "strictNullChecks": true,
        "strictPropertyInitialization": true,
        "lib": [
Author	SHA1	Message	Date
Max P	ab07e03c0f	version: Fix version number	2024-08-28 13:59:34 +02:00
Max P	8bb153fe54	version: Pre release version bump to v0.1.0-.1	2024-08-24 03:22:58 +02:00
Max P.	794c1e07c3	Merge branch 'main' into dev/v1.0.0	2024-08-24 03:16:29 +02:00
Max P	1a67d3f4e3	docs: Reflect curent changes to the changelog	2024-08-24 02:40:21 +02:00
Max P	042d918d00	test: Add tests to reflect the changes in the signature of the decorators The identify is no optional with fallback to the property key or class	2024-08-24 02:34:21 +02:00
Max P	06ae6737fd	feat!: Update `Inject` Decorator for stable decorator api of typescript Update the function and refactor the typing to reflect the property type	2024-08-24 02:32:58 +02:00
Max P	81873f3689	feat!: Update `RegisterInstance` Decorator for stable decorator api of typescript	2024-08-24 02:21:50 +02:00
Max P	4aa12321e8	feat!: Update `Register` Decorator for stable decorator api of typescript	2024-08-24 02:18:16 +02:00
Max P	26b35d1e5b	refactor: Add error class for missing identifiers	2024-08-24 02:16:02 +02:00
Max P	78564b9a76	refactor!: Disable `experimentalDecorators` and `emitDecoratorMetadata` in `tsconfig`	2024-08-24 02:02:41 +02:00