WIP

lib/utils.js

@@ -33,6 +33,32 @@ function member(name, array) {
     return false;
 };
 
+function find_if(func, array) {
+    for (var i = 0, n = array.length; i < n; ++i) {
+        if (func(array[i]))
+            return array[i];
+    }
+};
+
 function HOP(obj, prop) {
     return Object.prototype.hasOwnProperty.call(obj, prop);
 };
+
+function repeat_string(str, i) {
+    if (i <= 0) return "";
+    if (i == 1) return str;
+    var d = repeat_string(str, i >> 1);
+    d += d;
+    if (i & 1) d += str;
+    return d;
+};
+
+function defaults(args, defs) {
+    var ret = {};
+    if (args === true)
+        args = {};
+    for (var i in defs) if (HOP(defs, i)) {
+        ret[i] = (args && HOP(args, i)) ? args[i] : defs[i];
+    }
+    return ret;
+};