From: Mike Taylor <mike@indexdata.com>
Date: Thu, 29 May 2014 15:12:26 +0000 (+0100)
Subject: the "mkws-paragraphs" Handlebars helper now accepts an optional second
X-Git-Tag: 1.0.0~566
X-Git-Url: http://sru.miketaylor.org.uk/?a=commitdiff_plain;h=94a3083ce79f3cdf185add39bb933d695815b623;p=mkws-moved-to-github.git

the "mkws-paragraphs" Handlebars helper now accepts an optional second
argument specifying how many paragraphs to emit.
---

diff --git a/src/mkws-handlebars.js b/src/mkws-handlebars.js
index 66c9f1c..537779e 100644
--- a/src/mkws-handlebars.js
+++ b/src/mkws-handlebars.js
@@ -8,9 +8,15 @@ Handlebars.registerHelper('mkws-json', function(obj) {
 // This is intended to handle paragraphs from Wikipedia, hence the
 // rather hacky code to remove numbered references.
 //
-Handlebars.registerHelper('mkws-paragraphs', function(obj) {
+Handlebars.registerHelper('mkws-paragraphs', function(obj, count) {
   var acc = [];
-  for (var i = 0; i < obj.length; i++) {
+
+  // For some reason, Handlebars provides the value
+  // {"hash":{},"data":{}} for undefined parameters
+  if (count.hasOwnProperty('hash')) count = undefined;
+  if (!count || count > obj.length) count = obj.length;
+
+  for (var i = 0; i < count; i++) {
     acc.push('<p>', obj[i].replace(/\[[0-9,]+\]/g, ''), '</p>');
   }
   return acc.join('');