Merge pull request #23 from cloud-gov/jvd/local-token

Small app testing ability to use cf token for local development

.gitignore

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+node_modules

local-dev/README.md

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+# Local dev testing
+
+Log into an actual cloud.gov endpoint:
+
+```bash
+# production
+cf login -a api.fr.cloud.gov --sso
+```
+
+Start the application for local dev and pass in your CF token:
+
+```bash
+CF_USER_TOKEN=$(cf oauth-token) npm run local
+```
+
+Open the app at `localhost:8000` and you should see a short list of applications you have access to in CF, and their current state.
+
+If you start to get authentication errors in the console, you may need to restart the server to get it the latest and greatest token.

local-dev/api.js

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+/***/
+// API library for basic error handling and serialization
+/***/
+
+async function getData(url, token) {
+    try {
+        const res = await fetch(url, {
+            method: "GET",
+            headers: {
+                "Authorization": token
+            }
+        });
+        if (res.ok) {
+            const data = await res.json();
+            return data;
+        } else {
+            const data = await res.json();
+            console.log("ERROR " + JSON.stringify(data));
+            throw new Error(`an error occurred with response code ${res.status}`);
+        }
+    } catch (error) {
+        throw new Error(error.message);
+    }
+};
+
+module.exports = { getData };