Add support for top level Tags. Closes #111

docs/open-api-v3-support.md

@@ -30,7 +30,7 @@ This document outlines this project's support for visualising the [Open API V3][
 - [x] [paths](#paths-object)
 - [ ] [components](#components-object)
 - [x] [security](#security-requirement-object)
-- [ ] [tags](#tag-object)
+- [x] [tags](#tag-object)
 - [ ] [externalDocs](#external-documentation-object)
 
 ### [Info](https://github.com/OAI/OpenAPI-Specification/blob/OpenAPI.next/versions/3.0.md#info-object) object
@@ -207,8 +207,8 @@ See [parameter](#parameter-object) object.
 
 ### [Tag](https://github.com/OAI/OpenAPI-Specification/blob/OpenAPI.next/versions/3.0.md#tag-object) object
 
-- [ ] name
-- [ ] description
+- [x] name
+- [x] description
 - [ ] [externalDocs](#external-documentation-object)
 
 ### [Reference](https://github.com/OAI/OpenAPI-Specification/blob/OpenAPI.next/versions/3.0.md#reference-object) object

src/components/Description/Description.scss

@@ -2,3 +2,7 @@
 .description-inline p {
   display: inline;
 }
+
+.description p {
+  margin: .5rem 0;
+}

src/components/Navigation/Navigation.js

@@ -40,6 +40,7 @@ export default class Navigation extends Component {
             <NavigationTag
               key={tag.title}
               title={tag.title}
+              description={tag.description}
               methods={tag.methods}
               shouldBeExpanded={shouldBeExpanded}
               onClick={this.onClick}

src/components/Navigation/Navigation.scss

@@ -9,14 +9,14 @@
   top: 0;
   box-sizing: border-box;
   overflow-y: auto;
-  a {
-    text-decoration: none;
-  }
+
   .indicator {
     float: right;
+    display: block;
+    margin-top: 5px;
   }
 
-  > div {
-    margin: 25px 20px;
+  > div + div {
+    border-top: 1px solid darken(#FFF, 80%);
   }
 }

src/components/NavigationMethod/NavigationMethod.scss

@@ -1,11 +1,14 @@
 @import '../../base.scss';
 
+.nav-tag-methods {
+  margin-bottom: .5gqgrem
+}
+
 .nav-method {
   display: flex;
-  margin: 10px 5px;
-  padding: 10px;
+  padding: .7rem 1.5rem;
   font-size: smaller;
-  color: white;
+  color: #FFF;
 
   &.active {
     background-color: $content-background;
@@ -19,18 +22,12 @@
     display: none;
   }
 
-  &:first-child {
-    margin-top: 20px;
-  }
-
   .method-type {
     width: 55px;
   }
 
   .method-title {
-    padding-left: 5px;
     width: calc(100% - 55px);
-    text-indent: 0;
   }
 }
 

src/components/NavigationTag/NavigationTag.js

@@ -1,7 +1,9 @@
 import React, { Component } from 'react'
 import PropTypes from 'prop-types'
+
 import Indicator from '../Indicator/Indicator'
 import NavigationMethod from '../NavigationMethod/NavigationMethod'
+import Description from '../Description/Description'
 
 import './NavigationTag.scss'
 
@@ -22,6 +24,10 @@ export default class NavigationTag extends Component {
   componentWillMount () {
     const { title, methods, location, onClick } = this.props
 
+    if (!methods) {
+      return null
+    }
+
     const method = methods.find(
       (method) => (`#${method.link}` === location.hash)
     )
@@ -36,7 +42,7 @@ export default class NavigationTag extends Component {
   }
 
   render () {
-    const { title, shouldBeExpanded, methods, location } = this.props
+    const { title, description, shouldBeExpanded, methods, location } = this.props
 
     // If tag has any method that matches location hash, then it is considered active
     let isActiveTag = false
@@ -63,8 +69,9 @@ export default class NavigationTag extends Component {
           href={`#${title}`}
           onClick={this.handleClick}
         >
-          {title}
+          <span>{title}</span>
           <Indicator direction={indicatorDirection} />
+          {description && <Description description={description} />}
         </a>
         <div className='nav-tag-methods'>
           {methods && methods.map((method) => {
@@ -80,8 +87,9 @@ export default class NavigationTag extends Component {
 
 NavigationTag.propTypes = {
   title: PropTypes.string.isRequired,
+  description: PropTypes.string,
   methods: PropTypes.array,
   shouldBeExpanded: PropTypes.bool,
   onClick: PropTypes.func.isRequired,
-  location: PropTypes.object
+  location: PropTypes.object.isRequired
 }

src/components/NavigationTag/NavigationTag.scss

@@ -1,9 +1,15 @@
-@import '../../base.scss';
-
 .nav-tag {
   display: block;
-  color: white;
-  margin-top: 15px;
+  padding: 1rem 1rem .5rem;
+  color: #FFF;
+
+  &:hover {
+    text-decoration: none;
+
+    span {
+      text-decoration: underline;
+    }
+  }
 
   &.active {
     background-color: rgb(12, 18, 29);

src/parser/open-api/v3/open-api-v3-parser.js

@@ -89,17 +89,17 @@ function getUINavigationAndServices (tags, paths, globalSecurity = [], securityD
 
 /**
  * Add media type info, e.g. schema and examples to UI object
- * This method modifies the uiObject input
+ * This method mutates the `uiObject` parameter.
  *
- * @param {Object} uiObj
+ * @param {Object} uiObject
  * @param {Object} mediaType Open API mediaType object
  */
-function addMediaTypeInfoToUIObject (uiObj, mediaType) {
+function addMediaTypeInfoToUIObject (uiObject, mediaType) {
   if (mediaType.schema) {
     const schema = getUIReadySchema(mediaType.schema)
 
     if (schema.length) {
-      uiObj.schema = schema
+      uiObject.schema = schema
     }
   }
 
@@ -114,7 +114,7 @@ function addMediaTypeInfoToUIObject (uiObj, mediaType) {
   }
 
   if (examples.length) {
-    uiObj.examples = examples
+    uiObject.examples = examples
   }
 }
 
@@ -286,6 +286,34 @@ function getTags (paths) {
   return tagCollection.sort()
 }
 
+/**
+ * If tag definitions exist, extract this information and add it to the
+ * navigation array. This mutates the `navigation` parameter.
+ *
+ * @param {Array} navigation
+ * @param {Array} tagDefinitions
+ */
+function addTagDetailsToNavigation (navigation, tagDefinitions) {
+  const getTag = (tag) => tagDefinitions.find((def) => def.name === tag)
+
+  for (const navGroup of navigation) {
+    const tagDefinition = getTag(navGroup.title)
+
+    if (tagDefinition) {
+      navGroup.handle = navGroup.title
+      navGroup.title = tagDefinition.name
+
+      if (tagDefinition.description) {
+        navGroup.description = tagDefinition.description
+      }
+
+      if (tagDefinition.externalDocs) {
+        navGroup.externalDocs = tagDefinition.externalDocs
+      }
+    }
+  }
+}
+
 /**
  * Converts openApiV3 object to new object ready to be consumed by the UI
  *
@@ -303,7 +331,7 @@ export default async function getUIReadyDefinition (openApiV3) {
   const info = derefOpenApiV3.info
   const paths = derefOpenApiV3.paths
 
-  // Get tags
+  // Get tags from the paths
   const tags = getTags(paths)
 
   // Get security definitions
@@ -312,6 +340,11 @@ export default async function getUIReadyDefinition (openApiV3) {
   // Construction navigation and services
   const {navigation, services} = getUINavigationAndServices(tags, paths, derefOpenApiV3.security || [], security)
 
+  // If we have tag information, let's add it to the navigation
+  if (derefOpenApiV3.tags) {
+    addTagDetailsToNavigation(navigation, derefOpenApiV3.tags)
+  }
+
   const definition = {
     title: info.title,
     version: info.version,

test/components/NavigationTag.test.js

@@ -0,0 +1,44 @@
+import React from 'react'
+import NavigationTag from './../../src/components/NavigationTag/NavigationTag'
+import renderer from 'react-test-renderer'
+
+describe('<NavigationTag />', () => {
+  const location = {
+    hash: '#pets'
+  }
+
+  it('renders with minimum props', () => {
+    const tree = renderer.create(
+      <NavigationTag title='pets' onClick={jest.fn()} location={location} />
+    )
+
+    expect(tree).toMatchSnapshot()
+  })
+
+  it('renders with methods', () => {
+    const methods = [{
+      type: 'get',
+      title: 'Get pets',
+      link: 'pets'
+    },
+    {
+      type: 'get',
+      title: 'Get pets',
+      link: 'pets/:id'
+    }]
+
+    const tree = renderer.create(
+      <NavigationTag title='pets' onClick={jest.fn()} location={location} methods={methods} />
+    )
+
+    expect(tree).toMatchSnapshot()
+  })
+
+  it('renders with description', () => {
+    const tree = renderer.create(
+      <NavigationTag title='Pets' handle='pets' description='Access to Pets' onClick={jest.fn()} location={location} />
+    )
+
+    expect(tree).toMatchSnapshot()
+  })
+})