fix: handle missing daemon errors

Author: daviddias

examples/files-api/files-api.js

@@ -1,10 +1,10 @@
 'use strict'
 
-var ipfs = require('../src')('localhost', 5001)
+var ipfs = require('../../src')('localhost', 5001)
 
 ipfs.files.ls('/folder1', function (err, res) {
   if (err) {
-    return console.log(err)
+    return console.log('got an error', err)
   }
   if (res.readable) {
     res.pipe(process.stdout)

src/request-api.js

@@ -147,6 +147,10 @@ function requestAPI (config, options, callback) {
     headers: headers
   }, onRes(options.buffer, callback))
 
+  req.on('error', (err) => {
+    callback(err)
+  })
+
   if (options.files) {
     stream.pipe(req)
   } else {