title: HttpHeaders Link
Purpose
An Apollo Link to easily transform headers from being a key-value object to an instance of HttpHeaders (@angular/common/http
). Great combination with apollo-angular-link-http
.
Installation
npm install apollo-angular-link-headers@beta --save
Usage
The httpHeaders
function takes no arguments. Its only task is to take headers
property (key-value object) of a operation context and transform it into an instance of HttpHeaders
class (from @angular/common/http
) to make it work with apollo-angular-link-http
.
;; ;; ;
It creates a bridge between other Apollo Links that uses headers as a plain object, so you can do things like:
; ;