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Extend #first Handlebars helper with optional 'having' attribute.
author
Mike Taylor
<mike@indexdata.com>
Thu, 28 Nov 2013 13:34:46 +0000
(13:34 +0000)
committer
Mike Taylor
<mike@indexdata.com>
Thu, 28 Nov 2013 13:34:46 +0000
(13:34 +0000)
tools/htdocs/mkws.js
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diff --git
a/tools/htdocs/mkws.js
b/tools/htdocs/mkws.js
index
8e282a8
..
674bfff
100644
(file)
--- a/
tools/htdocs/mkws.js
+++ b/
tools/htdocs/mkws.js
@@
-119,7
+119,16
@@
Handlebars.registerHelper('json', function(obj) {
Handlebars.registerHelper('first', function(items, options) {
- return options.fn(items[0]);
+ var having = options.hash.having;
+ debug("#first checking for first item having '" + having + "'");
+ for (var i in items) {
+ var item = items[i]
+ debug("considering item " + (+i+1) + " of " + items.length + " = '" + item[having] + "'");
+ if (!having || item[having]) {
+ return options.fn(item);
+ }
+ }
+ return "";
});