Merge pull request #19 from krisleech/localhost-plugin

plugin to open http://localhost:3000 (and other ports) in the default browser

plugins/localhost/localhost.load

+# Opens http://localhost:3000 (and other ports) in the default browser
+#
+# Usage:
+#
+# open a commonly used port with just the port number
+# $ 3000
+#
+# open an arbitrary port using the `lh` command
+# $ lh 3001
+
+## Functions
+function _open-installed
+  which open >/dev/null ^&1
+end
+
+## Main program
+function lh
+  if _open-installed
+    if [ (count $argv) -lt 1 ]
+        echo "You need to specify a port to open"
+        return 1
+    end
+    command open http://localhost:$argv
+  else
+    echo 'Requires open (MacOS only) to be installed'
+  end
+end
+
+set -l common_localhost_ports 3000 4000 5000 6000 7000 8000 9000 8080
+
+for port in $common_localhost_ports
+  eval "function $port; lh $port; end"
+end