cli,outdated: Adds 'Homepage' to outdated --long output. (#81)

* feat(cli, outdated): Adds 'Homepage' to outdated --long output.

- `package.json`'s `homepage` property is displayed when using the `--long` option for `npm outdated`

* test: npm outdated --long

- Adds `homepage` to `--parseable` output.
- Updates `npm outdated --long` test to include `homepage` in expected output.
- Adds `homepage` to `npm-outdated` documentation.

* fix: javascript standard style updates

PR-URL: #81
Credit: @jbottigliero
Reviewed-By: @zkat

doc/cli/npm-outdated.md

@@ -27,6 +27,7 @@ In the output:
 * `package type` (when using `--long` / `-l`) tells you whether this package is
   a `dependency` or a `devDependency`. Packages not included in `package.json`
   are always marked `dependencies`.
+* `homepage` (when using `--long` / `-l`) is the `homepage` value contained in the package's `package.json`
 * Red means there's a newer version matching your semver requirements, so you should update now.
 * Yellow indicates that there's a newer version above your semver requirements (usually new major, or new 0.x minor) so proceed with caution.
 

lib/outdated.js

@@ -94,7 +94,7 @@ function outdated (args, silent, cb) {
           'Latest',
           'Location'
         ]
-        if (long) outHead.push('Package Type')
+        if (long) outHead.push('Package Type', 'Homepage')
         var outTable = [outHead].concat(outList)
 
         if (npm.color) {
@@ -123,14 +123,18 @@ function makePretty (p) {
   var latest = p[4]
   var type = p[6]
   var deppath = p[7]
+  var homepage = p[0].package.homepage
 
   var columns = [ depname,
     has || 'MISSING',
     want,
     latest,
     deppath
   ]
-  if (long) columns[5] = type
+  if (long) {
+    columns[5] = type
+    columns[6] = homepage
+  }
 
   if (npm.color) {
     columns[0] = color[has === want || want === 'linked' ? 'yellow' : 'red'](columns[0]) // dep
@@ -157,7 +161,7 @@ function makeParseable (list) {
       (has ? (depname + '@' + has) : 'MISSING'),
       depname + '@' + latest
     ]
-    if (long) out.push(type)
+    if (long) out.push(type, dep.package.homepage)
 
     return out.join(':')
   }).join(os.EOL)
@@ -181,7 +185,10 @@ function makeJSON (list) {
       latest: latest,
       location: dir
     }
-    if (long) out[depname].type = type
+    if (long) {
+      out[depname].type = type
+      out[depname].homepage = dep.package.homepage
+    }
   })
   return JSON.stringify(out, null, 2)
 }

test/tap/outdated-long.js

@@ -74,6 +74,10 @@ test('it should not throw', function (t) {
         npm.install('.', function (err) {
           t.ifError(err, 'install success')
           npm.config.set('long', true)
+          // since it's possible for the homepage of a package to change, after the
+          // install we read the value from the package.json directly to specify our
+          // expected output.
+          expOut[1] = expOut[1] + ':' + JSON.parse(fs.readFileSync(path.resolve(pkg, 'node_modules', 'underscore', 'package.json'))).homepage
           npm.outdated(function (er, d) {
             t.ifError(err, 'npm outdated ran without error')
             t.is(process.exitCode, 1, 'exit code set to 1')