moustacheRowArray.js

function(head, req) {
	// !code lib/mustache.js
	// !json templates.thumbnails

	//var databaseURL = "http://stravinsky.local:5984/a70_digipics/";
	//var databaseURL = "http://dvorak.local:5984/temp/";
	var databaseURL = "/temp/";
	
	// requires moustache.js is_array function patched to return (a instanceof Array);
	function RowArray(rowToObject) {
		this.map = function (fn) {
			var resultArray = [];
			var row;
			while (row = getRow()) {
				var res = fn(rowToObject(row));
				resultArray.push(res);
			}
			return resultArray;
		}
	}
	RowArray.prototype = new Array;
	
	provides("html", function () {
		var contents = {"title": "Thumbnails", "photos" : new RowArray(function(row) {
			// show ordering of this call
// NOTE: currently mustache still seems to do the whole map up front before calling the line function
			send("*");
			var parts = row.value.path.split("/");
			return {"src" : databaseURL + row.id + "/small.jpg", "name" : parts[parts.length-1]};
		})};
		
		Mustache.to_html(templates.thumbnails, contents, null, function(line) {
			send(line);
			// show each line sent separately
			send("|");
		});
	});
}