// Generated by CoffeeScript 1.10.0
(function() {
  var slice = [].slice,
    indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
  rivets.adapters[':'] = {
    observe: function(obj, keypath, callback) {
      return obj.on('change:' + keypath, callback);
    },
    unobserve: function(obj, keypath, callback) {
      return obj.off('change:' + keypath, callback);
    },
    get: function(obj, keypath) {
      return obj.get(keypath);
    },
    set: function(obj, keypath, value) {
      return obj.set(keypath, value);
    }
  };
  rivets.formatters['first-letter'] = function(value) {
    var ref;
    return (ref = value != null ? typeof value.charAt === "function" ? value.charAt(0) : void 0 : void 0) != null ? ref : ' ';
  };
  rivets.formatters['only'] = function() {
    var allowed, value;
    value = arguments[0], allowed = 2 <= arguments.length ? slice.call(arguments, 1) : [];
    if (indexOf.call(allowed, value) >= 0) {
      return value;
    } else {
      return '';
    }
  };
  rivets.formatters['eq'] = function(a, b) {
    return a === b;
  };
  rivets.formatters['format-date'] = function(value, format) {
    if (value != null) {
      return value.format(format);
    } else {
      return '';
    }
  };
  rivets.formatters['iso-date'] = function(value) {
    if (value != null) {
      return value.toISOString();
    } else {
      return '';
    }
  };
  rivets.formatters['from-now'] = function(value) {
    if (value != null) {
      return value.fromNow();
    } else {
      return '';
    }
  };
}).call(this);
//# sourceMappingURL=rivets.js.map