Add async/simpleFetch

.eslintrc

@@ -12,6 +12,9 @@
     ],
     "sort-keys": [
       "error"
-    ]
+    ],
+  },
+  "globals": {
+    "RequestOptions": true
   }
 }

ACKNOWLEDGMENT.md

@@ -4,5 +4,6 @@ Following people, users, repos, resources and projects have contributed towards
 * @bendc gists (https://gist.github.com/bendc)
 * https://github.com/timothyverhaeghe/pelicanjs
 * https://lodash.com/
+* https://twitter.com/wesbos/status/1063515277911052290
 
 Sorry if I forgot you…

esm/async/index.js

@@ -1,4 +1,5 @@
-export { default as map } from './mapPromise';
 export { default as forEach } from './forEach';
+export { default as map } from './mapPromise';
+export { default as simpleFetch } from './simpleFetch';
 export { default as sleep } from './sleep';
 export { default as throttle } from './throttle';

esm/async/simpleFetch.js

@@ -0,0 +1,14 @@
+/**
+ * 
+ * Safe fetch which assumes JSON and returns it.
+ */
+export default async (url, options = {}) => {
+  const response = await fetch(url, {
+    headers: {
+      Accept: `application/json, text/plain, */*`,
+      'Content-Type': `application/json`,
+    },
+    ...options,
+  });
+  return response.json();
+};

src/async/index.js

@@ -1,4 +1,5 @@
-export { default as map } from './mapPromise';
 export { default as forEach } from './forEach';
+export { default as map } from './mapPromise';
+export { default as simpleFetch } from './simpleFetch';
 export { default as sleep } from './sleep';
 export { default as throttle } from './throttle';

src/async/simpleFetch.js

@@ -0,0 +1,14 @@
+/**
+ * @flow
+ * Safe fetch which assumes JSON and returns it.
+ */
+export default async (url: string, options: RequestOptions = {}) => {
+  const response = await fetch(url, {
+    headers: {
+      Accept: `application/json, text/plain, */*`,
+      'Content-Type': `application/json`,
+    },
+    ...options,
+  });
+  return response.json();
+};