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README.md

packaged @tsdi/ioc

This repo is for distribution on npm. The source for this module is in the main repo.

@tsdi/core is AOP, Ioc container, via typescript decorator.

version 5+ of @ts-ioc/core tsioc

build

to fix lib error, use command

npm i ts-node@8.3.0 tslib@1.10.0 typescript@3.5.3

builder

build: npm run build

//build with version:
npm run build -- --setvs=4.0.0-beta

//deploy: 
./deploy.cmd
//or
 npm run build -- --deploy=true

Install

npm install @tsdi/ioc

add extends modules

use aop

// install aop
npm install @tsdi/aop
import { AopModule } from '@tsdi/aop';
// in server
import { ContainerBuilder } from '@tsdi/platform-server'
// in browser
import { ContainerBuilder } from '@tsdi/platform-browser'

let builder = new ContainerBuilder();

let container = build.create();

container.use(AopModule);

use aop logs

// install aop logs
npm install @tsdi/logs
import { LogModule } from '@tsdi/logs';
// in server
import { ContainerBuilder } from '@tsdi/platform-server'
// in browser
import { ContainerBuilder } from '@tsdi/platform-browser'

let builder = new ContainerBuilder();

let container = build.create();

container.use(LogModule);

Documentation

core

extends ioc

  1. @IocExt class decortator, use to define the class is Ioc extends module. it will auto run after registered to helper your to setup module.
  2. add service resolve.
  3. module inject.

Ioc

  1. Register one class will auto register depdence class (must has a class decorator).

  2. get Instance can auto create constructor param. (must has a class decorator or register in container).

decorators

  1. @Abstract abstract class decorator.
  2. @AutoRun class, method decorator, use to define the class auto run (via a method or not) after registered.
  3. @AutoWried property or param decorator, use to auto wried type instance or value to the instance of one class with the decorator.
  4. @Inject property or param decorator, use to auto wried type instance or value to the instance of one class with the decorator.
  5. @Injectable class decortator, use to define the class. it can setting provider to some token, singleton or not.
  6. @AutoWried method decorator.
  7. @Param param decorator, use to auto wried type instance or value to the instance of one class with the decorator.
  8. @Singleton class decortator, use to define the class is singleton.
  9. @Providers Providers decorator, for class. use to add private ref service for the class.
  10. @Refs Refs decorator, for class. use to define the class as a service for target.

AOP

It's a dynamic aop base on ioc.

define a Aspect class, must with decorator:

  • @Aspect Aspect decorator, define for class. use to define class as aspect. it can setting provider to some token, singleton or not.

  • @Before(matchstring|RegExp) method decorator, aop Before advice decorator.

  • @After(matchstring|RegExp) method decorator, aop after advice decorator.

  • @Around(matchstring|RegExp) method decorator, aop around advice decorator.

  • @AfterThrowing(matchstring|RegExp) method decorator, aop AfterThrowing advice decorator.

  • @AfterReturning(matchstring|RegExp) method decorator, aop AfterReturning advice decorator.

  • @Pointcut(matchstring|RegExp) method decorator, aop Pointcut advice decorator.

see simples

boot

DI Module manager, application bootstrap. base on AOP.

  • @DIModule DIModule decorator, use to define class as DI Module.
  • @Bootstrap Bootstrap decorator, use to define class as bootstrp module.
  • @Annotation Annotation decorator, use to define class build metadata config.
  • @Message Message decorator, for class. use to define the class as message handle register in global message queue.

mvc boot simple

import { DIModule, BootApplication } from '@tsdi/boot';


export class TestService {
    testFiled = 'test';
    test() {
        console.log('test');
    }
}

@DIModule({
    providers: [
        { provide: 'mark', useFactory: () => 'marked' },
        TestService
    ],
    exports: [

    ]
})
export class ModuleA {

}

@Injectable
export class ClassSevice {
    @Inject('mark')
    mark: string;
    state: string;
    start() {
        console.log(this.mark);
    }
}

@Aspect
export class Logger {

    @Around('execution(*.start)')
    log() {
        console.log('start........');
    }
}


@DIModule({
    imports: [
        AopModule,
        Logger,
        ModuleA
    ],
    exports: [
        ClassSevice
    ],
    bootstrap: ClassSevice
})
export class ModuleB {

}

BootApplication.run(ModuleB);

components

  • @Component Component decorator, use to defaine class as component with template.
  • @Input Input decorator, use to define property or param as component binding field or args.
  • @Output Output decorator, use to define property or param as component output field or args.
  • @RefChild RefChild decorator, use to select child element and inject to the property in component.

see activity build boot simple

see activity build boot simple

Activites

create Container

let container = new IocContainer();

init & register Container

see interface IContainer


// 1. register a class
container.register(Person);

// 2. register a factory;
container.register(Person, (container)=> {
    ...
    return new Person(...);
});

// 3. register with keyword
container.register('keyword', Perosn);

// 4. register with alais
container.register(new Registration(Person, aliasname));

// register singleton
container.registerSingleton(Person)

// bind provider
container.bindProvider
// bind providers.
container.bindProviders

more see inteface IIocContainer

Invoke method

you can use yourself MethodAccessor by implement IMethodAccessor, register MethodAccessorToken with your MethodAccessor in container, see interface.

@Injectable
class Person {
    constructor() {

    }
    say() {
        return 'I love you.'
    }
}

@Injectable
class Child extends Person {
    constructor() {
        super();
    }
    say() {
        return 'Mama';
    }
}

class MethodTest {
    constructor() {

    }

    @AutoWried
    sayHello(person: Person) {
        return person.say();
    }
}

class MethodTest2 {
    constructor() {

    }

    @AutoWried()
    sayHello( @Inject(Child) person: Person) {
        return person.say();
    }
}

class MethodTest3 {
    constructor() {

    }

    @AutoWried
    sayHello( @Inject(Child) personA: Person, personB: Person) {
        return personA.say() + ', '  + personB.say();
    }
}

@Injectable
class Geet {
    constructor(private name: string){

    }

    print(hi?:string){
        return `${hi}, from ${this.name}`;
    }
}

container.register(Geet);

container.invoke(Geet, gt=> gt.print,
 {hi: 'How are you.', name:'zhou' },
{ hi: (container: IContainer)=> 'How are you.' }, ... },
{ hi:{type: Token<any>, value: any |(container: IContainer)=>any }},
Provider.createParam('name', 'zhou'),
Provider.create('hi', value:'Hello'),
// or use ProviderMap.
...
)

let instance = container.resolve(Geet,
{name: 'zhou' },
{ name: (container: IContainer)=>any } },
{name:{type: Token<any>, value: any|(container: IContainer)=>any }})

container.invoke(instance, gt=> gt.print, ...);
container.invoke(instance, 'print', ...);

container.register(MethodTest);
container.invoke(MethodTest, 'sayHello');

container.register(MethodTest2);
container.invoke(MethodTest2, tg=> tg.sayHello);

container.register(MethodTest3);
container.invoke(MethodTest3, 'sayHello');

Use Demo

import { Method, ContainerBuilder, AutoWired, Injectable, Singleton, IContainer, ParameterMetadata, Param, Aspect } from '@tsdi/core';


export class SimppleAutoWried {
    constructor() {
    }

    @AutoWired
    dateProperty: Date;
}

@Singleton
export class Person {
    name = 'testor';
}
// > v0.3.5 all class decorator can depdence.
@Singleton
// @Injectable
export class RoomService {
    constructor() {

    }
    @AutoWired
    current: Date;
}

@Injectable()
export class ClassRoom {
    constructor(public service: RoomService) {

    }
}

export abstract class Student {
    constructor() {
    }
    abstract sayHi(): string;
}

@Injectable({ provide: Student })
export class MiddleSchoolStudent extends Student {
    constructor() {
        super();
    }
    sayHi() {
        return 'I am a middle school student';
    }
}

@Injectable()
export class MClassRoom {
    @AutoWired(MiddleSchoolStudent)
    leader: Student;
    constructor() {

    }
}


@Injectable({ provide: Student, alias: 'college' })
export class CollegeStudent extends Student {
    constructor() {
        super();
    }
    sayHi() {
        return 'I am a college student';
    }
}

@Injectable
export class CollegeClassRoom {
    constructor(
        @Param(CollegeStudent)
        @AutoWired(CollegeStudent)
        public leader: Student) {

    }
}


@Injectable
export class InjMClassRoom {
    // @Inject(MiddleSchoolStudent)
    @Inject
    // @Inject({ type: MiddleSchoolStudent })
    // @Inject({ provider: MiddleSchoolStudent })
    leader: Student;
    constructor() {

    }
}


export interface IClassRoom {
    leader: Student;
}

@Injectable
export class InjCollegeClassRoom {
    constructor(
        // all below decorator can work, also @AutoWired, @Param is.
        // @Inject(new Registration(Student, 'college')) // need CollegeStudent also register.
        @Inject(CollegeStudent)
        // @Inject({ provider: CollegeStudent })
        // @Inject({ provider: Student, alias: 'college' }) //need CollegeStudent also register.
        // @Inject({ type: CollegeStudent })
        public leader: Student
    ) {

    }
}

@Injectable
export class InjCollegeAliasClassRoom {
    constructor(
        // all below decorator can work, also @AutoWired, @Param is.
        @Inject(new Registration(Student, 'college')) // need CollegeStudent also register.
        // @Inject(CollegeStudent)
        // @Inject({ provider: CollegeStudent })
        // @Inject({ provider: Student, alias: 'college' }) // need CollegeStudent also register.
        // @Inject({ type: CollegeStudent })
        public leader: Student
    ) {

    }
}


@Injectable('StringClassRoom')
export class StingMClassRoom {
    // @Inject(MiddleSchoolStudent)
    @Inject
    // @Inject({ type: MiddleSchoolStudent })
    leader: Student;
    constructor() {

    }
}

export class StringIdTest {
    constructor(@Inject('StringClassRoom') public room: IClassRoom) {

    }
}

export const CollClassRoom = Symbol('CollegeClassRoom');

@Injectable(CollClassRoom)
export class SymbolCollegeClassRoom {

    @Inject(CollegeStudent)
    leader: Student;
    constructor() {

    }
}

export class SymbolIdest {
    @Inject(CollClassRoom)
    public room: IClassRoom
    constructor() {

    }
}

@Injectable
class MethodTestPerson {
    say() {
        return 'hello word.'
    }
}

class MethodTest {

    @AutoWried
    sayHello(person: MethodTestPerson) {
        return person.say();
    }
}


// 1. Custom register one class will auto inject depdence class (must has a class decorator).

let builder = new ContainerBuilder();
let container = builder.create();


container.register(MethodTest);
container.invoke(MethodTest, 'sayHello')
    .then(data =>{
        console.log(data);
    });

container.register(SimppleAutoWried);
let instance = container.get(SimppleAutoWried);
console.log(instance.dateProperty);


container.register(ClassRoom);
let room = container.get(ClassRoom);
console.log(room.service.current);

container.register(MiddleSchoolStudent);
container.register(CollegeStudent);

let student = container.get(Student);
console.log(student.sayHi());

let student2 = container.get(new Registration(Student, 'college'));

console.log(student2.sayHi());

let student3 = container.get(Student, 'college'));

console.log(student3.sayHi());


builder.build({
    files: __dirname + '/*{.ts,.js}'
})
    .then(container => {
        let instance = container.get(Student);
        console.log(instance.sayHi());

        let instance2 = container.get(new Registration(Student, 'college'));
        console.log(instance2.sayHi());

        let instance3 = container.get(Student, 'college');
        console.log(instance3.sayHi())
    });


Extend decorator

see interface LifeScope You can extend yourself decorator via:

  1. createClassDecorator
/**
 * create class decorator
 *
 * @export
 * @template T metadata type.
 * @param {string} name decorator name.
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns {*}
 */
export function createClassDecorator<T extends ClassMetadata>(name: string, adapter?: MetadataAdapter, metadataExtends?: MetadataExtends<T>): IClassDecorator<T>
  1. createClassMethodDecorator
/**
 * create method decorator.
 *
 * @export
 * @template T metadata type.
 * @param {string} name decorator name.
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns
 */
export function createMethodDecorator<T extends MethodMetadata>
  1. createClassMethodDecorator
/**
 * create decorator for class and method.
 *
 * @export
 * @template T
 * @param {string} name
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns {IClassMethodDecorator<T>}
 */
export function createClassMethodDecorator<T extends TypeMetadata>(name: string, adapter?: MetadataAdapter, metadataExtends?: MetadataExtends<T>): IClassMethodDecorator<T>
  1. createParamDecorator
/**
 * create parameter decorator.
 *
 * @export
 * @template T metadata type.
 * @param {string} name decorator name.
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns
 */
export function createParamDecorator<T extends ParameterMetadata>
  1. createPropDecorator
/**
 * create property decorator.
 *
 * @export
 * @template T metadata type.
 * @param {string} name decorator name.
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns
 */
export function createPropDecorator<T extends PropertyMetadata>(name: string, adapter?: MetadataAdapter, metadataExtends?: MetadataExtends<T>): IPropertyDecorator<T>
  1. createParamPropDecorator
/**
 * create parameter or property decorator
 *
 * @export
 * @template T
 * @param {string} name
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns {IParamPropDecorator<T>}
 */
export function createParamPropDecorator<T extends ParamPropMetadata>(
    name: string,
    adapter?: MetadataAdapter,
    metadataExtends?: MetadataExtends<T>): IParamPropDecorator<T>
  1. createDecorator
/**
 * create dectorator for class params props methods.
 *
 * @export
 * @template T
 * @param {string} name
 * @param {MetadataAdapter} [adapter]  metadata adapter
 * @param {MetadataExtends<T>} [metadataExtends] add extents for metadata.
 * @returns {*}
 */
export function createDecorator<T>(name: string, adapter?: MetadataAdapter, metadataExtends?: MetadataExtends<T>): any

Demo fo extends yourself decorator

//eg.
// 1. create decorator
export interface IControllerDecorator<T extends ControllerMetadata> extends IClassDecorator<T> {
    (routePrefix: string, provide?: Registration<any> | string, alias?: string): ClassDecorator;
    (target: Function): void;
}
export const Controller: IControllerDecorator<ControllerMetadata> =
    createClassDecorator<ControllerMetadata>('Controller', (args: ArgsIterator) => {
        args.next<ControllerMetadata>({
            isMetadata: (arg) => isClassMetadata(arg, ['routePrefix']),
            match: (arg) => isString(arg),
            setMetadata: (metadata, arg) => {
                metadata.routePrefix = arg;
            }
        });
    }) as IControllerDecorator<ControllerMetadata>;

export const Aspect: IClassDecorator<ClassMetadata> = createClassDecorator<ClassMetadata>('Aspect', null, (metadata) => {
    metadata.singleton = true;
    return metadata;
});


// 2. add decorator action
 let lifeScope = container.get(LifeScopeToken);
 let factory = new AopActionFactory();
 lifeScope.addAction(factory.create(AopActions.registAspect), DecoratorType.Class, IocState.design);


// 3. register decorator
lifeScope.registerDecorator(Aspect, AopActions.registAspect);

Container Interface

see more interface. all document is typescript .d.ts.

Documentation is available on the @tsdi/core docs site.

License

MIT © Houjun

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