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@mediaclip/dependency-injection

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@mediaclip/dependency-injection - npm Package Compare versions

Comparing version 1.0.0 to 1.0.1

7

dist/index.d.ts

@@ -22,3 +22,2 @@ type Prettify<T> = T extends infer U ? {

createScope(): IScopedDiContainer;
[Symbol.dispose](): void;
private saveScopeInstances;

@@ -29,3 +28,3 @@ }

type TypedInstanceFactory<T> = (container: IDiContainer) => T;
interface IDiContainer extends Disposable {
interface IDiContainer {
registerSingleton<T>(token: DiToken<T>, valueOrFactory: TypedInstanceFactory<T> | T): void;

@@ -58,3 +57,2 @@ registerScoped<T>(token: DiToken<T>, factory: TypedInstanceFactory<T>): void;

createScope(): IScopedDiContainer;
[Symbol.dispose](): void;
protected tryResolveFrom<T>(token: DiToken<T>, registrations: Map<symbol, Array<T>>): T | undefined;

@@ -66,4 +64,3 @@ protected tryResolveFromFactory<T>(token: DiToken<T>, registrations: Map<symbol, Array<InstanceFactory>>): T | undefined;

declare function isFunction<T>(valueOrFactory: T | ((container: IDiContainer) => T)): valueOrFactory is (container: IDiContainer) => T;
declare function disposeIfDisposable(instance: any): void;
export { DiContainer, type DiContainerOption, DiToken, type IDiContainer, type IScopedDiContainer, type Prettify, ScopedDiContainer, disposeIfDisposable, isFunction };
export { DiContainer, type DiContainerOption, DiToken, type IDiContainer, type IScopedDiContainer, type Prettify, ScopedDiContainer, isFunction };

@@ -5,9 +5,2 @@ // src/utils.ts

}
function disposeIfDisposable(instance) {
if (typeof instance === "object" || typeof instance === "function") {
if (typeof instance[Symbol.dispose] === "function") {
instance[Symbol.dispose]();
}
}
}

@@ -52,8 +45,2 @@ // src/scoped-di-container.ts

}
[Symbol.dispose]() {
for (const instance of Object.values(this.scopedInstances)) {
disposeIfDisposable(instance);
}
super[Symbol.dispose]();
}
saveScopeInstances(token, value) {

@@ -143,7 +130,2 @@ let scopedInstances = this.scopedInstances.get(token.symbol);

}
[Symbol.dispose]() {
for (const instance of Object.values(this.singletonInstances)) {
disposeIfDisposable(instance);
}
}
tryResolveFrom(token, registrations) {

@@ -200,5 +182,4 @@ const registeredElements = registrations.get(token.symbol);

ScopedDiContainer,
disposeIfDisposable,
isFunction
};
//# sourceMappingURL=index.js.map

@@ -7,3 +7,3 @@ {

"name": "@mediaclip/dependency-injection",
"version": "1.0.0",
"version": "1.0.1",
"main": "./dist/index.js",

@@ -10,0 +10,0 @@ "keywords": [

@@ -5,2 +5,47 @@ # Dependency injection

It supports Singleton and Scoped registrations and guarantee at compile time that everything as been registered.
## Example
Simple example with singletons only. You need to create a token to register a service in the container, and then you can use this token to resolve the service.
You can register a service with it's instance directly or with a factory.
The first parameter of the factory is the `IDiContainer` so you can use this to resolve other services if you have a service depending on naother one.
```ts
import {DiContainer, DiToken} from "@mediaclip/dependency-injection";
interface IService1 {}
class Service1 implements IService1 {}
interface IService2 {}
class Service2 implements IService2 {}
interface IService3 {}
class Service3 implements IService3 {
constructor(
private readonly service1: IService1,
private readonly service2: IService2
) {
}
}
let tokenService1 = DiToken.create<IService1>('Service1')
let tokenService2 = DiToken.create<IService2>('Service2')
let tokenService3 = DiToken.create<IService3>('Service3')
let container = new DiContainer();
container.registerSingleton(tokenService1, new Service1());
container.registerSingleton(tokenService2, new Service2());
container.registerSingleton(tokenService3, c => new Service3(
c.resolve(tokenService1),
c.resolve(tokenService2)
));
const service3 = container.resolve(tokenService3)
```
## Scoped vs Singleton
When registering a service on the container you can either register it as `singleton` or as `scoped`.
A singleton service will only be instantiated once, and a scoped service will have one instance of each scope.
A scope is created by calling `container.createScope()`

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