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1 files changed, 0 insertions, 64 deletions

diff --git a/lib/api/encodeNavigation.js b/lib/api/encodeNavigation.js
deleted file mode 100644
index 8e329a1..0000000
--- a/lib/api/encodeNavigation.js
+++ /dev/null
@@ -1,64 +0,0 @@
-var Immutable = require('immutable');
-
-/**
-    Encode an article for next/prev
-
-    @param {Map<String:Page>}
-    @param {Article}
-    @return {Object}
-*/
-function encodeArticle(pages, article) {
-    var articlePath = article.getPath();
-
-    return {
-        path: articlePath,
-        title: article.getTitle(),
-        level: article.getLevel(),
-        exists: (articlePath && pages.has(articlePath)),
-        external: article.isExternal()
-    };
-}
-
-/**
-    this.navigation is a deprecated property from GitBook v2
-
-    @param {Output}
-    @return {Object}
-*/
-function encodeNavigation(output) {
-    var book = output.getBook();
-    var pages = output.getPages();
-    var summary = book.getSummary();
-    var articles = summary.getArticlesAsList();
-
-
-    var navigation = articles
-        .map(function(article, i) {
-            var ref = article.getRef();
-            if (!ref) {
-                return undefined;
-            }
-
-            var prev = articles.get(i - 1);
-            var next = articles.get(i + 1);
-
-            return [
-                ref,
-                {
-                    index: i,
-                    title: article.getTitle(),
-                    introduction: (i === 0),
-                    prev: prev? encodeArticle(pages, prev) : undefined,
-                    next: next? encodeArticle(pages, next) : undefined,
-                    level: article.getLevel()
-                }
-            ];
-        })
-        .filter(function(e) {
-            return Boolean(e);
-        });
-
-    return Immutable.Map(navigation).toJS();
-}
-
-module.exports = encodeNavigation;