feat: handle ENOTFOUND and ask users to report all other errors; closes

cutenode#78

This PR will ask users to report unhandled rejections or uncaught exceptions to the project issue tracker.

- added a test to check this is working
- added dev dep [execa](https://npm.im/execa) for said test
- added [buggin](https://npm.im/buggin) unexpected error output

bin/good-first-issue.js

@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 
+require('buggin')(module)
 const cli = require('commander')
 const chalk = require('chalk')
 const opn = require('open')
@@ -49,8 +50,16 @@ cli
         process.exitCode = 0
       }
     } catch (err) {
-      console.error(err)
-      process.exitCode = 1
+      if (err && typeof err === 'object') {
+        if (/ENOTFOUND/.test(err.message)) {
+          process.exitCode = 1
+          return console.error(`${chalk.red('Problem!')} Unable to find api.github.com.\nPlease check your network connection and/or DNS configuration.`)
+        }
+        // add more cases here as they come up, and present user-friendly messages
+      }
+
+      // let buggin handle it if it's anything else
+      throw err
     }
   })
   .parse(process.argv)

package.json

@@ -20,9 +20,9 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/bnb/good-first-issue.git"
+    "url": "https://github.com/cutenode/good-first-issue.git"
   },
-  "homepage": "https://github.com/bnb/good-first-issue",
+  "homepage": "https://github.com/cutenode/good-first-issue",
   "keywords": [
     "cli",
     "node-cli",
@@ -43,21 +43,23 @@
     "node": ">=8.0.0"
   },
   "bugs": {
-    "url": "https://github.com/bnb/good-first-issue/issues",
+    "url": "https://github.com/cutenode/good-first-issue/issues",
     "email": "[email protected]"
   },
   "contributors": [
     "Dhruv Jain <[email protected]> (https://maddhruv.github.io)"
   ],
   "dependencies": {
     "boxen": "^3.0.0",
+    "buggin": "^0.1.6",
     "chalk": "^2.4.1",
     "commander": "^2.19.0",
     "inquirer": "^6.2.0",
     "libgfi": "^1.0.2",
     "open": "^6.4.0"
   },
   "devDependencies": {
+    "execa": "^3.3.0",
     "jest": "^23.6.0",
     "strip-ansi": "^5.0.0",
     "standard": "^14.0.0"

tests/cli.spec.js

@@ -0,0 +1,13 @@
+const execa = require('execa')
+
+const BIN_PATH = require.resolve('../bin/good-first-issue.js')
+
+test('should display link to report bug if project not found', async () => {
+  return expect(
+    execa(process.execPath, [
+      BIN_PATH,
+      'marvin-k-mooney/would-you-please-go-now'
+    ])
+  )
+    .resolves.toMatchObject({stderr: /The following unhandled rejection is likely a bug in good-first-issue/})
+});