Use ES6 fetch()

src/bridge/lib/inviteMail.js

@@ -7,12 +7,10 @@ const baseUrl = 'https://localhost:3002'
 function sendMail(recipient, ticket) {
   return new Promise((resolve, reject) => {
     fetch(baseUrl + '/send-ticket', {
-      method: "POST",
-      // mode: "cors", // no-cors, cors, *same-origin
-      cache: "no-cache", // *default, no-cache, reload, force-cache, only-if-cached
-      // credentials: "omit", // include, *same-origin, omit
+      method: 'POST',
+      cache: 'no-cache',
       headers: {
-        "Content-Type": "application/json",
+        'Content-Type': 'application/json'
       },
       body: JSON.stringify({recipient,ticket}),
     })

src/bridge/lib/tank.js

@@ -1,67 +1,36 @@
-import * as http from 'http';
-import Maybe from 'folktale/maybe';
-
 //NOTE if accessing this in a localhost configuration fails with "CORS request
 //     did not succeed", you might need to visit localhost:3001 or whatever
 //     explicitly and tell your browser that's safe to access.
 //     https://stackoverflow.com/a/53011185/1334324
-const baseOptions = {
-  hostname: 'localhost',
-  port: 3001,
-  protocol: 'https:',
-  headers: { 'Content-Type': 'application/json' }, //TODO text/plain vs application/json
-  json: true
-}
+const baseUrl = 'https://localhost:3001';
 
-const reqHandler = (resolve, reject) => {
-  return (response) => {
-    console.log('xx got response', response)
-    // handle http errors
-    if (response.statusCode < 200 || response.statusCode > 299) {
-      reject(new Error('Failed to load, status code: ' + response.statusCode));
-    }
-    // temporary data holder
-    const body = [];
-    // on every content chunk, push it to the data array
-    response.on('data', (chunk) => body.push(chunk));
-    // we are done, resolve promise with those joined chunks
-    response.on('end', () => {
-      return resolve(JSON.parse(body.join('')))
-    });
-  }
+function sendRequest(where, what) {
+  return new Promise((resolve, reject) => {
+    fetch(baseUrl + where, {
+      method: 'POST',
+      cache: 'no-cache',
+      headers: {
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify(what)
+    })
+    .then(response => {
+      if (response.ok) {
+        resolve(response.json());
+      } else {
+        reject(response);
+      }
+    })
+    .catch(reject);
+  });
 }
 
 const remainingTransactions = point => {
-  return new Promise((resolve, reject) => {
-    const options = {
-      path: '/point',
-      method: 'POST'
-    }
-    const request = http.request(
-      Object.assign(baseOptions, options),
-      reqHandler(resolve, reject)
-    );
-    request.on('error', (e) => reject(new Error(e)));
-    request.write(JSON.stringify({point:point}));
-    request.end();
-  });
+  return sendRequest('/point', {point:point});
 };
 
-//TODO refactor, add sendRequest(path, json)
 const fundTransactions = signedTxs => {
-  return new Promise((resolve, reject) => {
-    const options = {
-      path: '/request',
-      method: 'POST'
-    }
-    const request = http.request(
-      Object.assign(baseOptions, options),
-      reqHandler(resolve, reject)
-    );
-    request.on('error', (e) => reject(new Error(e)));
-    request.write(JSON.stringify({txs:signedTxs}));
-    request.end();
-  });
+  return sendRequest('/request', {txs:signedTxs});
 };
 
 export {