publish last night's toString hack. pretty print html

hyperjson.js

@@ -90,6 +90,30 @@
         return e;
     };
 
+    var indent = function (s, n, t) {
+        return Array(n + 1).fill('').join(t) + s;
+    };
+
+    var toString = Hyperjson.toString = function (hj, depth, tab) {
+        if (typeof(hj) === 'string') { return hj; }
+        var e = document.createElement(hj[0]);
+        for (var x in hj[1]) { e.setAttribute(x, hj[1][x]); }
+        tab = typeof(tab) === 'string'? tab : '  ';
+
+        depth = (depth || 0) + 1;
+        e.innerHTML = hj[2].map(function (c, i, L) {
+            if (typeof(c) === 'string') { return c; }
+            // don't mess with whitespace in PRE tags
+            if (hj[0] === 'PRE') { return toString(c, depth, tab); }
+            // if the next element is a string, don't mess with it
+            if (typeof(L[i+1]) === 'string') { return toString(c, depth, tab); }
+            var result = '\n' + indent(toString(c, depth, tab), depth, tab) +
+                '\n' + indent('', depth - 1, tab);
+            return result;
+        }).join('');
+        return e.outerHTML;
+    };
+
     if (typeof(module) !== 'undefined' && module.exports) {
         module.exports = Hyperjson;
     } else if ((typeof(define) !== 'undefined' && define !== null) && (define.amd !== null)) {