Page Contents
Home > @loopback/context > intercept
intercept() function
Decorator function @intercept
for classes/methods to apply interceptors. It can be applied on a class and its public methods. Multiple occurrences of @intercept
are allowed on the same target class or method. The decorator takes a list of interceptor
functions or binding keys.
Signature:
export declare function intercept(...interceptorOrKeys: InterceptorOrKey[]): (target: any, method?: string, methodDescriptor?: TypedPropertyDescriptor<any>) => any;
Parameters
Parameter | Type | Description |
---|---|---|
interceptorOrKeys | InterceptorOrKey[] | One or more interceptors or binding keys that are resolved to be interceptors |
Returns:
(target: any, method?: string, methodDescriptor?: TypedPropertyDescriptor<any>) => any
Example
@intercept(log, metrics)
class MyController {
@intercept('caching-interceptor')
@intercept('name-validation-interceptor')
greet(name: string) {
return `Hello, ${name}`;
}
}