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dsci/each_with_index.js

Forked from burin/each_with_index.coffee
Created February 6, 2012 17:54
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  1. @burin burin created this gist Jun 27, 2011.
    20 changes: 20 additions & 0 deletions each_with_index.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,20 @@
    // {{#each_with_index records}}
    // <li class="legend_item{{index}}"><span></span>{{Name}}</li>
    // {{/each_with_index}}

    Handlebars.registerHelper("each_with_index", function(array, fn) {
    var buffer = "";
    for (var i = 0, j = array.length; i < j; i++) {
    var item = array[i];

    // stick an index property onto the item, starting with 1, may make configurable later
    item.index = i+1;

    // show the inside of the block
    buffer += fn(item);
    }

    // return the finished buffer
    return buffer;

    });