first commit

index.js

@@ -0,0 +1,66 @@
+var type = function(doc) {
+	if (doc === 'null') return 'null';
+	if (Array.isArray(doc)) return 'array';
+	if (typeof doc === 'string' && /https?:/.test(doc)) return 'link';
+
+	return typeof doc;
+};
+
+var escape = function(str) {
+	return str.replace(/</g, '&lt;').replace(/>/g, '&gt;');
+};
+
+module.exports = function(doc) {
+	var indent = '';
+
+	var forEach = function(list, start, end, fn) {
+		if (!list.length) return start+' '+end;
+
+		var out = start+'\n';
+
+		indent += '    ';
+		list.forEach(function(key, i) {
+			out += indent+fn(key)+(i < list.length-1 ? ',' : '')+'\n';
+		});
+		indent = indent.slice(0, -4);
+
+		return out + indent+end;
+	};
+
+	var visit = function(obj) {
+		if (obj === undefined) return '';
+
+		switch (type(obj)) {
+			case 'boolean':
+			return '<span class="bool">'+obj+'</span>';
+
+			case 'number':
+			return '<span class="number">'+obj+'</span>';
+
+			case 'null':
+			return '<span class="null">null</span>\n';
+
+			case 'string':
+			return '<span class="string">"'+escape(obj)+'"</span>';
+
+			case 'link':
+			return '<span class="string">"<a href="'+escape(obj)+'">'+escape(obj)+'</a>"</span>';
+
+			case 'array':
+			return forEach(obj, '[', ']', visit);
+
+			case 'object':
+			var keys = Object.keys(obj).filter(function(key) {
+				return obj[key] !== undefined;
+			});
+
+			return forEach(keys, '{', '}', function(key) {
+				return '<span class="key">'+key + ':</span> '+visit(obj[key]);
+			});
+		}
+
+		return '';
+	};
+
+	return '<pre>'+visit(doc)+'</pre>';
+};