Page Contents
Home > @loopback/context > inject > tag
inject.tag() function
Inject an array of values by a tag pattern string or regexp
Signature:
tag: (bindingTag: BindingTag | RegExp, metadata?: InjectionMetadata) => (target: Object, member: string | undefined, methodDescriptorOrParameterIndex?: number | TypedPropertyDescriptor<any> | undefined) => void
Parameters
| Parameter | Type | Description |
|---|---|---|
| bindingTag | BindingTag | RegExp | Tag name, regex or object |
| metadata | InjectionMetadata | (Optional) Optional metadata to help the injection |
Returns:
(target: Object, member: string | undefined, methodDescriptorOrParameterIndex?: number | TypedPropertyDescriptor<any> | undefined) => void
Example
class AuthenticationManager {
constructor(
@inject.tag('authentication.strategy') public strategies: Strategy[],
) {}
}