Support multi-languages book in json format

1 files changed, 17 insertions, 4 deletions

diff --git a/lib/generate/json/index.js b/lib/generate/json/index.js
index 9e61532..745933b 100644
--- a/lib/generate/json/index.js
+++ b/lib/generate/json/index.js
@@ -1,6 +1,7 @@
 var util = require("util");
 var path = require("path");
 var Q = require("q");
+var _ = require("lodash");
 
 var fs = require("../fs");
 var parse = require("../../parse");
@@ -41,17 +42,29 @@ Generator.prototype.convertFile = function(content, input) {
 };
 
 // Generate languages index
+// Contains the first languages readme and langs infos
 Generator.prototype.langsIndex = function(langs) {
     var that = this;
 
-    var json = {
-        langs: langs.list
-    };
+    if (langs.list.length == 0) return Q.reject("Need at least one language");
+
+    var mainLang = _.first(langs.list).lang;
+    console.log("Main language is", mainLang);
 
     return Q()
     .then(function() {
+        return fs.readFile(
+            path.join(that.options.output, mainLang, "README.json")
+        );
+    })
+    .then(function(content) {
+        var json = JSON.parse(content);
+        _.extend(json, {
+            langs: langs.list
+        });
+
         return fs.writeFile(
-            path.join(that.options.output, "langs.json"),
+            path.join(that.options.output, "README.json"),
             JSON.stringify(json, null, 4)
         );
     });