optional headers

docs/index.md

@@ -154,12 +154,13 @@ Handy sapper fetch wrapper
 -   `params` **[object][56]** object to convert to query string (optional, default `{}`)
 -   `preload` **[boolean][58]** instruction to use sappers preload fetch (optional, default `false`)
 -   `api` **[boolean][58]** toggle to opt out of the prepended API_URL env var (optional, default `true`)
+-   `head` **([array][59] \| [boolean][58])** include headers in return (optional, default `false`)
 
 Returns **[object][56]** fetch data in json format
 
 **Meta**
 
--   **version**: 1.1.2
+-   **version**: 1.2.0
 
 ### push
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@neuekit/utilities",
-  "version": "1.5.7",
+  "version": "1.6.0",
   "license": "MIT",
   "description": "Tree-shakeable JavaScript utilities, add yours today!",
   "main": "dist/bundle.js",
@@ -22,6 +22,7 @@
     "qss": "^2.0.3"
   },
   "devDependencies": {
+    "@babel/core": "^7.10.5",
     "@babel/preset-env": "^7.9.6",
     "@rollup/plugin-babel": "^5.0.0",
     "@rollup/plugin-commonjs": "^11.1.0",

src/svelte/pull.js

@@ -3,24 +3,29 @@ import { encode } from 'qss';
 /**
  * Handy sapper fetch wrapper
  * @memberof Svelte
- * @version 1.1.3
+ * @version 1.2.0
  * @param {string} endpoint api url
  * @param {object} [params={}] object to convert to query string
  * @param {boolean} [preload=false] instruction to use sappers preload fetch
  * @param {boolean} api toggle to opt out of the prepended API_URL env var
+ * @param {array|boolean} head include headers in return
  * @returns {object} fetch data in json format
  */
 
 export default async function (
    endpoint,
    params = {},
    preload = false,
-   api = true
+   api = true,
+   head = false
 ) {
    const base = (api && process.env.API_URL) || '';
    const url = base + endpoint + encode(params, '?');
-   const req = await (preload ? preload.fetch(url) : fetch(url));
-   const res = await req.json();
+   const res = await (preload ? preload.fetch(url) : fetch(url));
+   const json = await res.json();
+   const headers =
+      head &&
+      head.reduce((o, key) => ({ ...o, [key]: res.headers.get(key) }), {});
 
-   return res;
+   return head ? { headers, json } : json;
 }