very simple presentation with markdown

www/slide/slide.js

@@ -0,0 +1,77 @@
+define([
+    '/bower_components/marked/marked.min.js',
+    '/bower_components/jquery/dist/jquery.min.js',
+],function (Marked) {
+    var $ = window.jQuery;
+
+    var truthy = function (x) { return x; };
+
+    var Slide = {
+        index: 0,
+        lastIndex: 0,
+        content: [],
+    };
+    var $modal;
+    var $content;
+    Slide.setModal = function ($m, $c) {
+        $modal = Slide.$modal = $m;
+        $content = Slide.$content = $c;
+    };
+    var draw = Slide.draw =  function (i) {
+        console.log("Trying to draw slide #%s", i);
+        if (typeof(Slide.content[i]) !== 'string') { return; }
+
+        var c = Slide.content[i];
+        console.log(c);
+        $content.html(Marked(c));
+    };
+
+    var show = Slide.show = function (bool, content) {
+        Slide.shown = bool;
+        if (bool) {
+            Slide.update(content);
+            Slide.draw(Slide.index);
+            $modal.addClass('shown');
+            return;
+        }
+        $modal.removeClass('shown');
+    };
+
+    var update = Slide.update = function (content) {
+        if (!Slide.shown) { return; }
+        console.log(content);
+        Slide.content = content.split(/\n\-\-\-\n/).filter(truthy);
+        draw(Slide.index);
+    };
+
+    var left = Slide.left = function () {
+        console.log('left');
+        var i = Slide.index = Math.max(0, Slide.index - 1);
+        Slide.draw(i);
+    };
+
+    var right = Slide.right = function () {
+        console.log('right');
+        var i = Slide.index = Math.min(Slide.content.length, Slide.index + 1);
+        Slide.draw(i);
+    };
+
+    $(document).on('keyup', function (e) {
+        if (!Slide.shown) { return; }
+        switch(e.which) {
+            case 37:
+                Slide.left();
+                break;
+            case 39: // right
+                Slide.right();
+                break;
+            case 27: // esc
+                show(false);
+                break;
+            default:
+                console.log(e.which);
+        }
+    });
+
+    return Slide;
+});