From 324b1079e7eb29829bf06ff65299acdc58abf308 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Mon, 9 Jul 2018 19:05:38 +0200
Subject: Add ability to nest doc ref markdown under specific versions

---
 packages/react-docs/src/components/documentation.tsx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'packages/react-docs/src/components')

diff --git a/packages/react-docs/src/components/documentation.tsx b/packages/react-docs/src/components/documentation.tsx
index a4e6f4f6e..7030001e8 100644
--- a/packages/react-docs/src/components/documentation.tsx
+++ b/packages/react-docs/src/components/documentation.tsx
@@ -12,6 +12,7 @@ import {
 import * as _ from 'lodash';
 import CircularProgress from 'material-ui/CircularProgress';
 import * as React from 'react';
+import * as semver from 'semver';
 
 import { DocsInfo } from '../docs_info';
 import {
@@ -180,7 +181,14 @@ export class Documentation extends React.Component<DocumentationProps, Documenta
         return renderedSections;
     }
     private _renderSection(typeDefinitionByName: TypeDefinitionByName, sectionName: string): React.ReactNode {
-        const markdownFileIfExists = this.props.docsInfo.sectionNameToMarkdown[sectionName];
+        const markdownVersions = _.keys(this.props.docsInfo.sectionNameToMarkdownByVersion);
+        // Get version LTE to selectedVersion
+        const eligibleVersions = _.filter(markdownVersions, mdVersion => {
+            return semver.lte(mdVersion, this.props.selectedVersion);
+        });
+        const sortedEligibleVersions = eligibleVersions.sort(semver.rcompare.bind(semver));
+        const closestVersion = sortedEligibleVersions[0];
+        const markdownFileIfExists = this.props.docsInfo.sectionNameToMarkdownByVersion[closestVersion][sectionName];
         if (!_.isUndefined(markdownFileIfExists)) {
             return (
                 <MarkdownSection
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