Add body parser middleware component

components/BodyParserJSON.coffee

@@ -0,0 +1,35 @@
+noflo = require 'noflo'
+bodyParser = require 'body-parser'
+
+exports.getComponent = ->
+  c = new noflo.Component
+  c.description = 'Express body parser middleware'
+  c.inPorts.add 'app',
+    datatype: 'object'
+    type: 'http://expressjs.com/4x/api.html#app'
+    description: 'Express Application or Router'
+    required: true
+  c.inPorts.add 'limit',
+    datatype: 'string'
+    description: 'Size limit for parsed body'
+    required: false
+    default: '1mb'
+  c.outPorts.add 'app',
+    datatype: 'object'
+    type: 'http://expressjs.com/4x/api.html#app'
+    description: 'Express Application or Router'
+    required: true
+
+  c.forwardBrackets =
+    app: ['app']
+
+  c.process (input, output) ->
+    return unless input.hasData 'app'
+    limit = if input.hasData('limit') then input.getData('limit') else '1mb'
+
+    app = input.getData 'app'
+    app.use bodyParser.json
+      limit: limit
+
+    output.sendDone
+      app: app

package.json

@@ -9,6 +9,7 @@
   },
   "license": "BSD-2-Clause",
   "dependencies": {
+    "body-parser": "^1.17.1",
     "coffee-script": "^1.12.1",
     "express": "^4.14.0",
     "noflo": "0.x >= 0.8",