getConfigs prop expansion; limit extension render based on config setting

src/core/components/primitive-model.jsx

@@ -1,5 +1,6 @@
 import React, { Component } from "react"
 import PropTypes from "prop-types"
+import { getExtensions } from "core/utils"
 
 const propStyle = { color: "#999", fontStyle: "italic" }
 
@@ -7,12 +8,15 @@ export default class Primitive extends Component {
   static propTypes = {
     schema: PropTypes.object.isRequired,
     getComponent: PropTypes.func.isRequired,
+    getConfigs: PropTypes.func.isRequired,
     name: PropTypes.string,
     depth: PropTypes.number
   }
 
   render(){
-    let { schema, getComponent, name, depth } = this.props
+    let { schema, getComponent, getConfigs, name, depth } = this.props
+
+    const { showExtensions } = getConfigs()
 
     if(!schema || !schema.get) {
       // don't render if schema isn't correctly formed
@@ -25,7 +29,8 @@ export default class Primitive extends Component {
     let enumArray = schema.get("enum")
     let title = schema.get("title") || name
     let description = schema.get("description")
-    let properties = schema.filter( ( v, key) => ["enum", "type", "format", "description", "$$ref"].indexOf(key) === -1 )
+    let extensions = getExtensions(schema)
+    let properties = schema.filter( ( v, key) => ["enum", "type", "format", "description", "$$ref"].indexOf(key) === -1 ).filterNot( (v, key) => extensions.has(key) )
     const Markdown = getComponent("Markdown")
     const EnumModel = getComponent("EnumModel")
     const Property = getComponent("Property")
@@ -38,6 +43,9 @@ export default class Primitive extends Component {
         {
           properties.size ? properties.entrySeq().map( ( [ key, v ] ) => <Property key={`${key}-${v}`} propKey={ key } propVal={ v } propStyle={ propStyle } />) : null
         }
+        {
+          showExtensions && extensions.size ? extensions.entrySeq().map( ( [ key, v ] ) => <Property key={`${key}-${v}`} propKey={ key } propVal={ v } propStyle={ propStyle } />) : null
+        }
         {
           !description ? null :
             <Markdown source={ description } />