🏭 Add auth method to set the Authorization header.

README.md

@@ -248,8 +248,8 @@ Creates a new Wretcher object with an url and [vanilla fetch options](https://de
 
 *Helper methods are optional and can be chained.*
 
-| [url](#urlurl-string-replace-boolean--false) | [query](#queryqp-object) | [options](#optionsoptions-object-mixin-boolean--true) | [headers](#headersheadervalues-object) | [accept](#acceptheadervalue-string) | [content](#contentheadervalue-string) | [catcher](#catchererrorid-number--string-catcher-error-wretchererror--void) | [defaults](#defaultsopts-object-mixin-boolean--false) | [errorType](#errortypemethod-text--json--text) | [polyfills](#polyfillspolyfills-object) |
-|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|
+| [url](#urlurl-string-replace-boolean--false) | [query](#queryqp-object) | [options](#optionsoptions-object-mixin-boolean--true) | [headers](#headersheadervalues-object) | [accept](#acceptheadervalue-string) | [content](#contentheadervalue-string) | [auth](#authheadervalue-string) | [catcher](#catchererrorid-number--string-catcher-error-wretchererror--void) | [defaults](#defaultsopts-object-mixin-boolean--false) | [errorType](#errortypemethod-text--json--text) | [polyfills](#polyfillspolyfills-object) |
+|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|
 
 #### url(url: string, replace: boolean = false)
 
@@ -362,6 +362,14 @@ Shortcut to set the "Content-Type" header.
 wretch("...").content("application/json")
 ```
 
+#### auth(headerValue: string)
+
+Shortcut to set the "Authorization" header.
+
+```js
+wretch("...").auth("Basic d3JldGNoOnJvY2tz")
+```
+
 #### catcher(errorId: number | string, catcher: (error: WretcherError) => void)
 
 Adds a [catcher](https://github.com/elbywan/wretch#catchers) which will be called on every subsequent request error.

dist/wretcher.d.ts

@@ -37,7 +37,7 @@ export declare class Wretcher {
     /**
      * Returns a new Wretcher object with the argument url appended and the same options.
      * @param url String url
-     * @param replace Boolean it true, replaces the current url instead of appending
+     * @param replace Boolean If true, replaces the current url instead of appending
      */
     url(url: string, replace?: boolean): Wretcher;
     /**
@@ -75,6 +75,11 @@ export declare class Wretcher {
      * @param headerValue Header value
      */
     content(headerValue: string): Wretcher;
+    /**
+     * Shortcut to set the "Authorization" header.
+     * @param headerValue Header value
+     */
+    auth(headerValue: string): Wretcher;
     /**
      * Adds a default catcher which will be called on every subsequent request error when the error code matches.
      * @param errorId Error code or name