fair-web/static/cdnjs/jsondiffpatch/0.2.5/jsondiffpatch-formatters.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),(f.jsondiffpatch||(f.jsondiffpatch={})).formatters=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){

module.exports = require('./formatters');

},{"./formatters":6}],2:[function(require,module,exports){

exports.isBrowser = typeof window !== 'undefined';

},{}],3:[function(require,module,exports){
var base = require('./base');
var BaseFormatter = base.BaseFormatter;

var AnnotatedFormatter = function AnnotatedFormatter() {
  this.includeMoveDestinations = false;
};

AnnotatedFormatter.prototype = new BaseFormatter();

AnnotatedFormatter.prototype.prepareContext = function(context) {
  BaseFormatter.prototype.prepareContext.call(this, context);
  context.indent = function(levels) {
    this.indentLevel = (this.indentLevel || 0) +
      (typeof levels === 'undefined' ? 1 : levels);
    this.indentPad = new Array(this.indentLevel + 1).join('&nbsp;&nbsp;');
  };
  context.row = function(json, htmlNote) {
    context.out('<tr><td style="white-space: nowrap;">' +
      '<pre class="jsondiffpatch-annotated-indent" style="display: inline-block">');
    context.out(context.indentPad);
    context.out('</pre><pre style="display: inline-block">');
    context.out(json);
    context.out('</pre></td><td class="jsondiffpatch-delta-note"><div>');
    context.out(htmlNote);
    context.out('</div></td></tr>');
  };
};

AnnotatedFormatter.prototype.typeFormattterErrorFormatter = function(context, err) {
  context.row('', '<pre class="jsondiffpatch-error">' + err + '</pre>');
};

AnnotatedFormatter.prototype.formatTextDiffString = function(context, value) {
  var lines = this.parseTextDiff(value);
  context.out('<ul class="jsondiffpatch-textdiff">');
  for (var i = 0, l = lines.length; i < l; i++) {
    var line = lines[i];
    context.out('<li>' +
      '<div class="jsondiffpatch-textdiff-location">' +
      '<span class="jsondiffpatch-textdiff-line-number">' +
      line.location.line +
      '</span>' +
      '<span class="jsondiffpatch-textdiff-char">' +
      line.location.chr +
      '</span>' +
      '</div>' +
      '<div class="jsondiffpatch-textdiff-line">');
    var pieces = line.pieces;
    for (var pieceIndex = 0, piecesLength = pieces.length; pieceIndex < piecesLength; pieceIndex++) {
      var piece = pieces[pieceIndex];
      context.out('<span class="jsondiffpatch-textdiff-' + piece.type + '">' +
        piece.text + '</span>');
    }
    context.out('</div></li>');
  }
  context.out('</ul>');
};

AnnotatedFormatter.prototype.rootBegin = function(context, type, nodeType) {
  context.out('<table class="jsondiffpatch-annotated-delta">');
  if (type === 'node') {
    context.row('{');
    context.indent();
  }
  if (nodeType === 'array') {
    context.row('"_t": "a",', 'Array delta (member names indicate array indices)');
  }
};

AnnotatedFormatter.prototype.rootEnd = function(context, type) {
  if (type === 'node') {
    context.indent(-1);
    context.row('}');
  }
  context.out('</table>');
};

AnnotatedFormatter.prototype.nodeBegin = function(context, key, leftKey, type, nodeType) {
  context.row('&quot;' + key + '&quot;: {');
  if (type === 'node') {
    context.indent();
  }
  if (nodeType === 'array') {
    context.row('"_t": "a",', 'Array delta (member names indicate array indices)');
  }
};

AnnotatedFormatter.prototype.nodeEnd = function(context, key, leftKey, type, nodeType, isLast) {
  if (type === 'node') {
    context.indent(-1);
  }
  context.row('}' + (isLast ? '' : ','));
};

/* jshint camelcase: false */

AnnotatedFormatter.prototype.format_unchanged = function() {
  return;
};

AnnotatedFormatter.prototype.format_movedestination = function() {
  return;
};


AnnotatedFormatter.prototype.format_node = function(context, delta, left) {
  // recurse
  this.formatDeltaChildren(context, delta, left);
};

var wrapPropertyName = function(name) {
  return '<pre style="display:inline-block">&quot;' + name + '&quot;</pre>';
};

var deltaAnnotations = {
  added: function(delta, left, key, leftKey) {
    var formatLegend = ' <pre>([newValue])</pre>';
    if (typeof leftKey === 'undefined') {
      return 'new value' + formatLegend;
    }
    if (typeof leftKey === 'number') {
      return 'insert at index ' + leftKey + formatLegend;
    }
    return 'add property ' + wrapPropertyName(leftKey) + formatLegend;
  },
  modified: function(delta, left, key, leftKey) {
    var formatLegend = ' <pre>([previousValue, newValue])</pre>';
    if (typeof leftKey === 'undefined') {
      return 'modify value' + formatLegend;
    }
    if (typeof leftKey === 'number') {
      return 'modify at index ' + leftKey + formatLegend;
    }
    return 'modify property ' + wrapPropertyName(leftKey) + formatLegend;
  },
  deleted: function(delta, left, key, leftKey) {
    var formatLegend = ' <pre>([previousValue, 0, 0])</pre>';
    if (typeof leftKey === 'undefined') {
      return 'delete value' + formatLegend;
    }
    if (typeof leftKey === 'number') {
      return 'remove index ' + leftKey + formatLegend;
    }
    return 'delete property ' + wrapPropertyName(leftKey) + formatLegend;
  },
  moved: function(delta, left, key, leftKey) {
    return 'move from <span title="(position to remove at original state)">index ' +
      leftKey + '</span> to ' +
      '<span title="(position to insert at final state)">index ' +
      delta[1] + '</span>';
  },
  textdiff: function(delta, left, key, leftKey) {
    var location = (typeof leftKey === 'undefined') ?
      '' : (
        (typeof leftKey === 'number') ?
        ' at index ' + leftKey :
        ' at property ' + wrapPropertyName(leftKey)
      );
    return 'text diff' + location + ', format is ' +
      '<a href="https://code.google.com/p/google-diff-match-patch/wiki/Unidiff">' +
      'a variation of Unidiff</a>';
  }
};

var formatAnyChange = function(context, delta) {
  var deltaType = this.getDeltaType(delta);
  var annotator = deltaAnnotations[deltaType];
  var htmlNote = annotator && annotator.apply(annotator,
    Array.prototype.slice.call(arguments, 1));
  var json = JSON.stringify(delta, null, 2);
  if (deltaType === 'textdiff') {
    // split text diffs lines
    json = json.split('\\n').join('\\n"+\n   "');
  }
  context.indent();
  context.row(json, htmlNote);
  context.indent(-1);
};

AnnotatedFormatter.prototype.format_added = formatAnyChange;
AnnotatedFormatter.prototype.format_modified = formatAnyChange;
AnnotatedFormatter.prototype.format_deleted = formatAnyChange;
AnnotatedFormatter.prototype.format_moved = formatAnyChange;
AnnotatedFormatter.prototype.format_textdiff = formatAnyChange;

/* jshint camelcase: true */

exports.AnnotatedFormatter = AnnotatedFormatter;

var defaultInstance;

exports.format = function(delta, left) {
  if (!defaultInstance) {
    defaultInstance = new AnnotatedFormatter();
  }
  return defaultInstance.format(delta, left);
};

},{"./base":4}],4:[function(require,module,exports){
var isArray = (typeof Array.isArray === 'function') ?
  // use native function
  Array.isArray :
  // use instanceof operator
  function(a) {
    return a instanceof Array;
  };

var getObjectKeys = typeof Object.keys === 'function' ?
  function(obj) {
    return Object.keys(obj);
  } : function(obj) {
    var names = [];
    for (var property in obj) {
      if (Object.prototype.hasOwnProperty.call(obj, property)) {
        names.push(property);
      }
    }
    return names;
  };

var trimUnderscore = function(str) {
  if (str.substr(0, 1) === '_') {
    return str.slice(1);
  }
  return str;
};

var arrayKeyToSortNumber = function(key) {
  if (key === '_t') {
    return -1;
  } else {
    if (key.substr(0, 1) === '_') {
      return parseInt(key.slice(1), 10);
    } else {
      return parseInt(key, 10) + 0.1;
    }
  }
};

var arrayKeyComparer = function(key1, key2) {
  return arrayKeyToSortNumber(key1) - arrayKeyToSortNumber(key2);
};

var BaseFormatter = function BaseFormatter() {};

BaseFormatter.prototype.format = function(delta, left) {
  var context = {};
  this.prepareContext(context);
  this.recurse(context, delta, left);
  return this.finalize(context);
};

BaseFormatter.prototype.prepareContext = function(context) {
  context.buffer = [];
  context.out = function() {
    this.buffer.push.apply(this.buffer, arguments);
  };
};

BaseFormatter.prototype.typeFormattterNotFound = function(context, deltaType) {
  throw new Error('cannot format delta type: ' + deltaType);
};

BaseFormatter.prototype.typeFormattterErrorFormatter = function(context, err) {
  return err.toString();
};

BaseFormatter.prototype.finalize = function(context) {
  if (isArray(context.buffer)) {
    return context.buffer.join('');
  }
};

BaseFormatter.prototype.recurse = function(context, delta, left, key, leftKey, movedFrom, isLast) {

  var useMoveOriginHere = delta && movedFrom;
  var leftValue = useMoveOriginHere ? movedFrom.value : left;

  if (typeof delta === 'undefined' && typeof key === 'undefined') {
    return undefined;
  }

  var type = this.getDeltaType(delta, movedFrom);
  var nodeType = type === 'node' ? (delta._t === 'a' ? 'array' : 'object') : '';

  if (typeof key !== 'undefined') {
    this.nodeBegin(context, key, leftKey, type, nodeType, isLast);
  } else {
    this.rootBegin(context, type, nodeType);
  }

  var typeFormattter;
  try {
    typeFormattter = this['format_' + type] || this.typeFormattterNotFound(context, type);
    typeFormattter.call(this, context, delta, leftValue, key, leftKey, movedFrom);
  } catch (err) {
    this.typeFormattterErrorFormatter(context, err, delta, leftValue, key, leftKey, movedFrom);
    if (typeof console !== 'undefined' && console.error) {
      console.error(err.stack);
    }
  }

  if (typeof key !== 'undefined') {
    this.nodeEnd(context, key, leftKey, type, nodeType, isLast);
  } else {
    this.rootEnd(context, type, nodeType);
  }
};

BaseFormatter.prototype.formatDeltaChildren = function(context, delta, left) {
  var self = this;
  this.forEachDeltaKey(delta, left, function(key, leftKey, movedFrom, isLast) {
    self.recurse(context, delta[key], left ? left[leftKey] : undefined,
      key, leftKey, movedFrom, isLast);
  });
};

BaseFormatter.prototype.forEachDeltaKey = function(delta, left, fn) {
  var keys = getObjectKeys(delta);
  var arrayKeys = delta._t === 'a';
  var moveDestinations = {};
  var name;
  if (typeof left !== 'undefined') {
    for (name in left) {
      if (Object.prototype.hasOwnProperty.call(left, name)) {
        if (typeof delta[name] === 'undefined' &&
          ((!arrayKeys) || typeof delta['_' + name] === 'undefined')) {
          keys.push(name);
        }
      }
    }
  }
  // look for move destinations
  for (name in delta) {
    if (Object.prototype.hasOwnProperty.call(delta, name)) {
      var value = delta[name];
      if (isArray(value) && value[2] === 3) {
        moveDestinations[value[1].toString()] = {
          key: name,
          value: left && left[parseInt(name.substr(1))]
        };
        if (this.includeMoveDestinations !== false) {
          if ((typeof left === 'undefined') &&
            (typeof delta[value[1]] === 'undefined')) {
            keys.push(value[1].toString());
          }
        }
      }
    }
  }
  if (arrayKeys) {
    keys.sort(arrayKeyComparer);
  } else {
    keys.sort();
  }
  for (var index = 0, length = keys.length; index < length; index++) {
    var key = keys[index];
    if (arrayKeys && key === '_t') {
      continue;
    }
    var leftKey = arrayKeys ?
      (typeof key === 'number' ? key : parseInt(trimUnderscore(key), 10)) :
      key;
    var isLast = (index === length - 1);
    fn(key, leftKey, moveDestinations[leftKey], isLast);
  }
};

BaseFormatter.prototype.getDeltaType = function(delta, movedFrom) {
  if (typeof delta === 'undefined') {
    if (typeof movedFrom !== 'undefined') {
      return 'movedestination';
    }
    return 'unchanged';
  }
  if (isArray(delta)) {
    if (delta.length === 1) {
      return 'added';
    }
    if (delta.length === 2) {
      return 'modified';
    }
    if (delta.length === 3 && delta[2] === 0) {
      return 'deleted';
    }
    if (delta.length === 3 && delta[2] === 2) {
      return 'textdiff';
    }
    if (delta.length === 3 && delta[2] === 3) {
      return 'moved';
    }
  } else if (typeof delta === 'object') {
    return 'node';
  }
  return 'unknown';
};

BaseFormatter.prototype.parseTextDiff = function(value) {
  var output = [];
  var lines = value.split('\n@@ ');
  for (var i = 0, l = lines.length; i < l; i++) {
    var line = lines[i];
    var lineOutput = {
      pieces: []
    };
    var location = /^(?:@@ )?[-+]?(\d+),(\d+)/.exec(line).slice(1);
    lineOutput.location = {
      line: location[0],
      chr: location[1]
    };
    var pieces = line.split('\n').slice(1);
    for (var pieceIndex = 0, piecesLength = pieces.length; pieceIndex < piecesLength; pieceIndex++) {
      var piece = pieces[pieceIndex];
      if (!piece.length) {
        continue;
      }
      var pieceOutput = {
        type: 'context'
      };
      if (piece.substr(0, 1) === '+') {
        pieceOutput.type = 'added';
      } else if (piece.substr(0, 1) === '-') {
        pieceOutput.type = 'deleted';
      }
      pieceOutput.text = piece.slice(1);
      lineOutput.pieces.push(pieceOutput);
    }
    output.push(lineOutput);
  }
  return output;
};

exports.BaseFormatter = BaseFormatter;

},{}],5:[function(require,module,exports){
var base = require('./base');
var BaseFormatter = base.BaseFormatter;

var HtmlFormatter = function HtmlFormatter() {};

HtmlFormatter.prototype = new BaseFormatter();

function htmlEscape(text) {
  var html = text;
  var replacements = [
    [/&/g, '&amp;'],
    [/</g, '&lt;'],
    [/>/g, '&gt;'],
    [/'/g, '&apos;'],
    [/"/g, '&quot;']
  ];
  for (var i = 0; i < replacements.length; i++) {
    html = html.replace(replacements[i][0], replacements[i][1]);
  }
  return html;
}

HtmlFormatter.prototype.typeFormattterErrorFormatter = function(context, err) {
  context.out('<pre class="jsondiffpatch-error">' + err + '</pre>');
};

HtmlFormatter.prototype.formatValue = function(context, value) {
  context.out('<pre>' + htmlEscape(JSON.stringify(value, null, 2)) + '</pre>');
};

HtmlFormatter.prototype.formatTextDiffString = function(context, value) {
  var lines = this.parseTextDiff(value);
  context.out('<ul class="jsondiffpatch-textdiff">');
  for (var i = 0, l = lines.length; i < l; i++) {
    var line = lines[i];
    context.out('<li>' +
      '<div class="jsondiffpatch-textdiff-location">' +
      '<span class="jsondiffpatch-textdiff-line-number">' +
      line.location.line +
      '</span>' +
      '<span class="jsondiffpatch-textdiff-char">' +
      line.location.chr +
      '</span>' +
      '</div>' +
      '<div class="jsondiffpatch-textdiff-line">');
    var pieces = line.pieces;
    for (var pieceIndex = 0, piecesLength = pieces.length; pieceIndex < piecesLength; pieceIndex++) {
      /* global unescape */
      var piece = pieces[pieceIndex];
      context.out('<span class="jsondiffpatch-textdiff-' + piece.type + '">' +
        htmlEscape(unescape(piece.text)) + '</span>');
    }
    context.out('</div></li>');
  }
  context.out('</ul>');
};

var adjustArrows = function jsondiffpatchHtmlFormatterAdjustArrows(node) {
  node = node || document;
  var getElementText = function(el) {
    return el.textContent || el.innerText;
  };
  var eachByQuery = function(el, query, fn) {
    var elems = el.querySelectorAll(query);
    for (var i = 0, l = elems.length; i < l; i++) {
      fn(elems[i]);
    }
  };
  var eachChildren = function(el, fn) {
    for (var i = 0, l = el.children.length; i < l; i++) {
      fn(el.children[i], i);
    }
  };
  eachByQuery(node, '.jsondiffpatch-arrow', function(arrow) {
    var arrowParent = arrow.parentNode;
    var svg = arrow.children[0],
      path = svg.children[1];
    svg.style.display = 'none';
    var destination = getElementText(arrowParent.querySelector('.jsondiffpatch-moved-destination'));
    var container = arrowParent.parentNode;
    var destinationElem;
    eachChildren(container, function(child) {
      if (child.getAttribute('data-key') === destination) {
        destinationElem = child;
      }
    });
    if (!destinationElem) {
      return;
    }
    try {
      var distance = destinationElem.offsetTop - arrowParent.offsetTop;
      svg.setAttribute('height', Math.abs(distance) + 6);
      arrow.style.top = (-8 + (distance > 0 ? 0 : distance)) + 'px';
      var curve = distance > 0 ?
        'M30,0 Q-10,' + Math.round(distance / 2) + ' 26,' + (distance - 4) :
        'M30,' + (-distance) + ' Q-10,' + Math.round(-distance / 2) + ' 26,4';
      path.setAttribute('d', curve);
      svg.style.display = '';
    } catch (err) {
      return;
    }
  });
};

HtmlFormatter.prototype.rootBegin = function(context, type, nodeType) {
  var nodeClass = 'jsondiffpatch-' + type +
    (nodeType ? ' jsondiffpatch-child-node-type-' + nodeType : '');
  context.out('<div class="jsondiffpatch-delta ' + nodeClass + '">');
};

HtmlFormatter.prototype.rootEnd = function(context) {
  context.out('</div>' + (context.hasArrows ?
    ('<script type="text/javascript">setTimeout(' +
      adjustArrows.toString() +
      ',10);</script>') : ''));
};

HtmlFormatter.prototype.nodeBegin = function(context, key, leftKey, type, nodeType) {
  var nodeClass = 'jsondiffpatch-' + type +
    (nodeType ? ' jsondiffpatch-child-node-type-' + nodeType : '');
  context.out('<li class="' + nodeClass + '" data-key="' + leftKey + '">' +
    '<div class="jsondiffpatch-property-name">' + leftKey + '</div>');
};


HtmlFormatter.prototype.nodeEnd = function(context) {
  context.out('</li>');
};

/* jshint camelcase: false */

HtmlFormatter.prototype.format_unchanged = function(context, delta, left) {
  if (typeof left === 'undefined') {
    return;
  }
  context.out('<div class="jsondiffpatch-value">');
  this.formatValue(context, left);
  context.out('</div>');
};

HtmlFormatter.prototype.format_movedestination = function(context, delta, left) {
  if (typeof left === 'undefined') {
    return;
  }
  context.out('<div class="jsondiffpatch-value">');
  this.formatValue(context, left);
  context.out('</div>');
};

HtmlFormatter.prototype.format_node = function(context, delta, left) {
  // recurse
  var nodeType = (delta._t === 'a') ? 'array' : 'object';
  context.out('<ul class="jsondiffpatch-node jsondiffpatch-node-type-' + nodeType + '">');
  this.formatDeltaChildren(context, delta, left);
  context.out('</ul>');
};

HtmlFormatter.prototype.format_added = function(context, delta) {
  context.out('<div class="jsondiffpatch-value">');
  this.formatValue(context, delta[0]);
  context.out('</div>');
};

HtmlFormatter.prototype.format_modified = function(context, delta) {
  context.out('<div class="jsondiffpatch-value jsondiffpatch-left-value">');
  this.formatValue(context, delta[0]);
  context.out('</div>' +
    '<div class="jsondiffpatch-value jsondiffpatch-right-value">');
  this.formatValue(context, delta[1]);
  context.out('</div>');
};

HtmlFormatter.prototype.format_deleted = function(context, delta) {
  context.out('<div class="jsondiffpatch-value">');
  this.formatValue(context, delta[0]);
  context.out('</div>');
};

HtmlFormatter.prototype.format_moved = function(context, delta) {
  context.out('<div class="jsondiffpatch-value">');
  this.formatValue(context, delta[0]);
  context.out('</div><div class="jsondiffpatch-moved-destination">' + delta[1] + '</div>');

  // draw an SVG arrow from here to move destination
  context.out(
    /*jshint multistr: true */
    '<div class="jsondiffpatch-arrow" style="position: relative; left: -34px;">\
        <svg width="30" height="60" style="position: absolute; display: none;">\
        <defs>\
            <marker id="markerArrow" markerWidth="8" markerHeight="8" refx="2" refy="4"\
                   orient="auto" markerUnits="userSpaceOnUse">\
                <path d="M1,1 L1,7 L7,4 L1,1" style="fill: #339;" />\
            </marker>\
        </defs>\
        <path d="M30,0 Q-10,25 26,50" style="stroke: #88f; stroke-width: 2px; fill: none;\
        stroke-opacity: 0.5; marker-end: url(#markerArrow);"></path>\
        </svg>\
        </div>');
  context.hasArrows = true;
};

HtmlFormatter.prototype.format_textdiff = function(context, delta) {
  context.out('<div class="jsondiffpatch-value">');
  this.formatTextDiffString(context, delta[0]);
  context.out('</div>');
};

/* jshint camelcase: true */

var showUnchanged = function(show, node, delay) {
  var el = node || document.body;
  var prefix = 'jsondiffpatch-unchanged-';
  var classes = {
    showing: prefix + 'showing',
    hiding: prefix + 'hiding',
    visible: prefix + 'visible',
    hidden: prefix + 'hidden',
  };
  var list = el.classList;
  if (!list) {
    return;
  }
  if (!delay) {
    list.remove(classes.showing);
    list.remove(classes.hiding);
    list.remove(classes.visible);
    list.remove(classes.hidden);
    if (show === false) {
      list.add(classes.hidden);
    }
    return;
  }
  if (show === false) {
    list.remove(classes.showing);
    list.add(classes.visible);
    setTimeout(function() {
      list.add(classes.hiding);
    }, 10);
  } else {
    list.remove(classes.hiding);
    list.add(classes.showing);
    list.remove(classes.hidden);
  }
  var intervalId = setInterval(function() {
    adjustArrows(el);
  }, 100);
  setTimeout(function() {
    list.remove(classes.showing);
    list.remove(classes.hiding);
    if (show === false) {
      list.add(classes.hidden);
      list.remove(classes.visible);
    } else {
      list.add(classes.visible);
      list.remove(classes.hidden);
    }
    setTimeout(function() {
      list.remove(classes.visible);
      clearInterval(intervalId);
    }, delay + 400);
  }, delay);
};

var hideUnchanged = function(node, delay) {
  return showUnchanged(false, node, delay);
};

exports.HtmlFormatter = HtmlFormatter;

exports.showUnchanged = showUnchanged;

exports.hideUnchanged = hideUnchanged;

var defaultInstance;

exports.format = function(delta, left) {
  if (!defaultInstance) {
    defaultInstance = new HtmlFormatter();
  }
  return defaultInstance.format(delta, left);
};

},{"./base":4}],6:[function(require,module,exports){
var environment = require('../environment');

exports.base = require('./base');
exports.html = require('./html');
exports.annotated = require('./annotated');
exports.jsonpatch = require('./jsonpatch');

if (!environment.isBrowser) {
  var consoleModuleName = './console';
  exports.console = require(consoleModuleName);
}

},{"../environment":2,"./annotated":3,"./base":4,"./html":5,"./jsonpatch":7}],7:[function(require,module,exports){
(function () {
  var base = require('./base');
  var BaseFormatter = base.BaseFormatter;

  var named = {
    added: 'add',
    deleted: 'remove',
    modified: 'replace',
    moved: 'moved',
    movedestination: 'movedestination',
    unchanged: 'unchanged',
    error: 'error',
    textDiffLine: 'textDiffLine'
  };

  function JSONFormatter() {
    this.includeMoveDestinations = false;
  }

  JSONFormatter.prototype = new BaseFormatter();

  JSONFormatter.prototype.prepareContext = function (context) {
    BaseFormatter.prototype.prepareContext.call(this, context);
    context.result = [];
    context.path = [];
    context.pushCurrentOp = function (op, value) {
      var val = {
        op: op,
        path: this.currentPath()
      };
      if (typeof value !== 'undefined') {
        val.value = value;
      }
      this.result.push(val);
    };

    context.currentPath = function () {
      return '/' + this.path.join('/');
    };
  };

  JSONFormatter.prototype.typeFormattterErrorFormatter = function (context, err) {
    context.out('[ERROR]' + err);
  };

  JSONFormatter.prototype.rootBegin = function () {
  };

  JSONFormatter.prototype.rootEnd = function () {
  };

  JSONFormatter.prototype.nodeBegin = function (context, key, leftKey) {
    context.path.push(leftKey);
  };

  JSONFormatter.prototype.nodeEnd = function (context) {
    context.path.pop();
  };

  /* jshint camelcase: false */

  JSONFormatter.prototype.format_unchanged = function (context, delta, left) {
    if (typeof left === 'undefined') {
      return;
    }
    context.pushCurrentOp(named.unchanged, left);
  };

  JSONFormatter.prototype.format_movedestination = function (context, delta, left) {
    if (typeof left === 'undefined') {
      return;
    }
    context.pushCurrentOp(named.movedestination, left);
  };

  JSONFormatter.prototype.format_node = function (context, delta, left) {
    this.formatDeltaChildren(context, delta, left);
  };

  JSONFormatter.prototype.format_added = function (context, delta) {
    context.pushCurrentOp(named.added, delta[0]);
  };

  JSONFormatter.prototype.format_modified = function (context, delta) {
    context.pushCurrentOp(named.modified, delta[1]);
  };

  JSONFormatter.prototype.format_deleted = function (context) {
    context.pushCurrentOp(named.deleted);
  };

  JSONFormatter.prototype.format_moved = function (context, delta) {
    context.pushCurrentOp(named.moved, delta[1]);
  };

  JSONFormatter.prototype.format_textdiff = function () {
    throw 'not implimented';
  };

  JSONFormatter.prototype.format = function (delta, left) {
    var context = {};
    this.prepareContext(context);
    this.recurse(context, delta, left);
    return context.result;
  };
  /* jshint camelcase: true */

  exports.JSONFormatter = JSONFormatter;

  var defaultInstance;

  function last(arr) {
    return arr[arr.length - 1];
  }

  function sortBy(arr, pred) {
    arr.sort(pred);
    return arr;
  }

  var compareByIndexDesc = function (indexA, indexB) {
    var lastA = parseInt(indexA, 10);
    var lastB = parseInt(indexB, 10);
    if (!(isNaN(lastA) || isNaN(lastB))) {
      return lastB - lastA;
    } else {
      return 0;
    }
  };

  function opsByDescendingOrder(removeOps) {
    return sortBy(removeOps, function (a, b) {
      var splitA = a.path.split('/');
      var splitB = b.path.split('/');
      if (splitA.length !== splitB.length) {
        return splitA.length - splitB.length;
      } else {
        return compareByIndexDesc(last(splitA), last(splitB));
      }
    });
  }

  function partition(arr, pred) {
    var left = [];
    var right = [];

    arr.forEach(function (el) {
      var coll = pred(el) ? left : right;
      coll.push(el);
    });
    return [left, right];
  }

  function reorderOps(jsonFormattedDiff) {
    var removeOpsOtherOps = partition(jsonFormattedDiff, function (operation) {
      return operation.op === 'remove';
    });
    var removeOps = removeOpsOtherOps[0];
    var otherOps = removeOpsOtherOps[1];

    var removeOpsReverse = opsByDescendingOrder(removeOps);
    return removeOpsReverse.concat(otherOps);
  }


  var format = function (delta, left) {
    if (!defaultInstance) {
      defaultInstance = new JSONFormatter();
    }
    return reorderOps(defaultInstance.format(delta, left));
  };

  exports.log = function (delta, left) {
    console.log(format(delta, left));
  };

  exports.format = format;
})();

},{"./base":4}]},{},[1])(1)
});
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