AOP base on Ioc container, via typescript decorator
npm install @tsdi/aopThis repo is for distribution on npm. The source for this module is in the
main repo.
@tsdi/aop is AOP base on Ioc container, via @tsdi/core, typescript decorator.
``shell
npm install @tsdi/aop
`
`ts
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);
`
It's a dynamic aop base on ioc.
define a Aspect class, must with decorator:
* @Aspect
define advice decorator have
* @Before(matchstring|RegExp)
* @After(matchstring|RegExp)
* @Around(matchstring|RegExp)
* @AfterThrowing(matchstring|RegExp)
* @AfterReturning(matchstring|RegExp)
* @Pointcut(matchstring|RegExp)
see simples
`ts
import { TypeMetadata, IClassMethodDecorator, createClassMethodDecorator} from '@tsdi/core';
import { Joinpoint, Around, Aspect , Pointcut } from '@tsdi/aop';
export const Authorization: IClassMethodDecorator
// auth check simple.
@Aspect
export class AuthAspect {
// pointcut for method has @Authorization decorator.
@Pointcut('@annotation(Authorization)', 'authAnnotation')
auth(joinPoint: Joinpoint, authAnnotation:MethodMetadata[]) {
console.log('aspect annotation Before log, method name:', joinPoint.fullName, ' state:', joinPoint.state, ' returning:', joinPoint.returning, ' throwing:', joinPoint.throwing);
}
}
@Aspect
export class SecrityAspect {
// before AuthAspect.auth check some.
@Before('execution(AuthAspect.auth)', 'authAnnotation')
sessionCheck(authAnnotation:MethodMetadata[],joinPoint: Joinpoint) {
console.log('aspect execution check session secrity Before AnnotationAspect.auth, method name:', joinPoint.fullName, ' state:', joinPoint.state, ' returning:', joinPoint.returning, ' throwing:', joinPoint.throwing);
}
}
// Log simple
@Singleton
@Aspect
export class DebugLog {
@Before(/\w+Controller.\w+$/)
// @Before('execution(Controller.)')
Beforlog(joinPoint: Joinpoint) {
console.log('aspect Before log:', joinPoint.fullName);
}
@Around('execution(Controller.)')
log(joinPoint: Joinpoint) {
console.log('aspect Around log, method name:', joinPoint.fullName, ' state:', joinPoint.state, ' Args:', joinPoint.args, ' returning:', joinPoint.returning, ' throwing:', joinPoint.throwing);
}
}
``
MIT © Houjun