(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = global || self, global.IntlRelativeFormat = factory());
}(this, function () { 'use strict';

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    /* jslint esnext: true */

    var hop = Object.prototype.hasOwnProperty;

    function extend(obj) {
        var sources = Array.prototype.slice.call(arguments, 1),
            i, len, source, key;

        for (i = 0, len = sources.length; i < len; i += 1) {
            source = sources[i];
            if (!source) { continue; }

            for (key in source) {
                if (hop.call(source, key)) {
                    obj[key] = source[key];
                }
            }
        }

        return obj;
    }

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    // Purposely using the same implementation as the Intl.js `Intl` polyfill.
    // Copyright 2013 Andy Earnshaw, MIT License

    var realDefineProp = (function () {
        try { return !!Object.defineProperty({}, 'a', {}); }
        catch (e) { return false; }
    })();

    var defineProperty = realDefineProp ? Object.defineProperty :
            function (obj, name, desc) {

        if ('get' in desc && obj.__defineGetter__) {
            obj.__defineGetter__(name, desc.get);
        } else if (!hop.call(obj, name) || 'value' in desc) {
            obj[name] = desc.value;
        }
    };

    var objCreate = Object.create || function (proto, props) {
        var obj, k;

        function F() {}
        F.prototype = proto;
        obj = new F();

        for (k in props) {
            if (hop.call(props, k)) {
                defineProperty(obj, k, props[k]);
            }
        }

        return obj;
    };

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    function Compiler(locales, formats, pluralFn) {
        this.locales  = locales;
        this.formats  = formats;
        this.pluralFn = pluralFn;
    }

    Compiler.prototype.compile = function (ast) {
        this.pluralStack        = [];
        this.currentPlural      = null;
        this.pluralNumberFormat = null;

        return this.compileMessage(ast);
    };

    Compiler.prototype.compileMessage = function (ast) {
        if (!(ast && ast.type === 'messageFormatPattern')) {
            throw new Error('Message AST is not of type: "messageFormatPattern"');
        }

        var elements = ast.elements,
            pattern  = [];

        var i, len, element;

        for (i = 0, len = elements.length; i < len; i += 1) {
            element = elements[i];

            switch (element.type) {
                case 'messageTextElement':
                    pattern.push(this.compileMessageText(element));
                    break;

                case 'argumentElement':
                    pattern.push(this.compileArgument(element));
                    break;

                default:
                    throw new Error('Message element does not have a valid type');
            }
        }

        return pattern;
    };

    Compiler.prototype.compileMessageText = function (element) {
        // When this `element` is part of plural sub-pattern and its value contains
        // an unescaped '#', use a `PluralOffsetString` helper to properly output
        // the number with the correct offset in the string.
        if (this.currentPlural && /(^|[^\\])#/g.test(element.value)) {
            // Create a cache a NumberFormat instance that can be reused for any
            // PluralOffsetString instance in this message.
            if (!this.pluralNumberFormat) {
                this.pluralNumberFormat = new Intl.NumberFormat(this.locales);
            }

            return new PluralOffsetString(
                    this.currentPlural.id,
                    this.currentPlural.format.offset,
                    this.pluralNumberFormat,
                    element.value);
        }

        // Unescape the escaped '#'s in the message text.
        return element.value.replace(/\\#/g, '#');
    };

    Compiler.prototype.compileArgument = function (element) {
        var format = element.format;

        if (!format) {
            return new StringFormat(element.id);
        }

        var formats  = this.formats,
            locales  = this.locales,
            pluralFn = this.pluralFn,
            options;

        switch (format.type) {
            case 'numberFormat':
                options = formats.number[format.style];
                return {
                    id    : element.id,
                    format: new Intl.NumberFormat(locales, options).format
                };

            case 'dateFormat':
                options = formats.date[format.style];
                return {
                    id    : element.id,
                    format: new Intl.DateTimeFormat(locales, options).format
                };

            case 'timeFormat':
                options = formats.time[format.style];
                return {
                    id    : element.id,
                    format: new Intl.DateTimeFormat(locales, options).format
                };

            case 'pluralFormat':
                options = this.compileOptions(element);
                return new PluralFormat(
                    element.id, format.ordinal, format.offset, options, pluralFn
                );

            case 'selectFormat':
                options = this.compileOptions(element);
                return new SelectFormat(element.id, options);

            default:
                throw new Error('Message element does not have a valid format type');
        }
    };

    Compiler.prototype.compileOptions = function (element) {
        var format      = element.format,
            options     = format.options,
            optionsHash = {};

        // Save the current plural element, if any, then set it to a new value when
        // compiling the options sub-patterns. This conforms the spec's algorithm
        // for handling `"#"` syntax in message text.
        this.pluralStack.push(this.currentPlural);
        this.currentPlural = format.type === 'pluralFormat' ? element : null;

        var i, len, option;

        for (i = 0, len = options.length; i < len; i += 1) {
            option = options[i];

            // Compile the sub-pattern and save it under the options's selector.
            optionsHash[option.selector] = this.compileMessage(option.value);
        }

        // Pop the plural stack to put back the original current plural value.
        this.currentPlural = this.pluralStack.pop();

        return optionsHash;
    };

    // -- Compiler Helper Classes --------------------------------------------------

    function StringFormat(id) {
        this.id = id;
    }

    StringFormat.prototype.format = function (value) {
        if (!value && typeof value !== 'number') {
            return '';
        }

        return typeof value === 'string' ? value : String(value);
    };

    function PluralFormat(id, useOrdinal, offset, options, pluralFn) {
        this.id         = id;
        this.useOrdinal = useOrdinal;
        this.offset     = offset;
        this.options    = options;
        this.pluralFn   = pluralFn;
    }

    PluralFormat.prototype.getOption = function (value) {
        var options = this.options;

        var option = options['=' + value] ||
                options[this.pluralFn(value - this.offset, this.useOrdinal)];

        return option || options.other;
    };

    function PluralOffsetString(id, offset, numberFormat, string) {
        this.id           = id;
        this.offset       = offset;
        this.numberFormat = numberFormat;
        this.string       = string;
    }

    PluralOffsetString.prototype.format = function (value) {
        var number = this.numberFormat.format(value - this.offset);

        return this.string
                .replace(/(^|[^\\])#/g, '$1' + number)
                .replace(/\\#/g, '#');
    };

    function SelectFormat(id, options) {
        this.id      = id;
        this.options = options;
    }

    SelectFormat.prototype.getOption = function (value) {
        var options = this.options;
        return options[value] || options.other;
    };

    var parser = (function() {

      /*
       * Generated by PEG.js 0.9.0.
       *
       * http://pegjs.org/
       */

      function peg$subclass(child, parent) {
        function ctor() { this.constructor = child; }
        ctor.prototype = parent.prototype;
        child.prototype = new ctor();
      }

      function peg$SyntaxError(message, expected, found, location) {
        this.message  = message;
        this.expected = expected;
        this.found    = found;
        this.location = location;
        this.name     = "SyntaxError";

        if (typeof Error.captureStackTrace === "function") {
          Error.captureStackTrace(this, peg$SyntaxError);
        }
      }

      peg$subclass(peg$SyntaxError, Error);

      function peg$parse(input) {
        var options = arguments.length > 1 ? arguments[1] : {},
            peg$FAILED = {},

            peg$startRuleFunctions = { start: peg$parsestart },
            peg$startRuleFunction  = peg$parsestart,

            peg$c0 = function(elements) {
                    return {
                        type    : 'messageFormatPattern',
                        elements: elements,
                        location: location()
                    };
                },
            peg$c1 = function(text) {
                    var string = '',
                        i, j, outerLen, inner, innerLen;

                    for (i = 0, outerLen = text.length; i < outerLen; i += 1) {
                        inner = text[i];

                        for (j = 0, innerLen = inner.length; j < innerLen; j += 1) {
                            string += inner[j];
                        }
                    }

                    return string;
                },
            peg$c2 = function(messageText) {
                    return {
                        type : 'messageTextElement',
                        value: messageText,
                        location: location()
                    };
                },
            peg$c3 = /^[^ \t\n\r,.+={}#]/,
            peg$c4 = { type: "class", value: "[^ \\t\\n\\r,.+={}#]", description: "[^ \\t\\n\\r,.+={}#]" },
            peg$c5 = "{",
            peg$c6 = { type: "literal", value: "{", description: "\"{\"" },
            peg$c7 = ",",
            peg$c8 = { type: "literal", value: ",", description: "\",\"" },
            peg$c9 = "}",
            peg$c10 = { type: "literal", value: "}", description: "\"}\"" },
            peg$c11 = function(id, format) {
                    return {
                        type  : 'argumentElement',
                        id    : id,
                        format: format && format[2],
                        location: location()
                    };
                },
            peg$c12 = "number",
            peg$c13 = { type: "literal", value: "number", description: "\"number\"" },
            peg$c14 = "date",
            peg$c15 = { type: "literal", value: "date", description: "\"date\"" },
            peg$c16 = "time",
            peg$c17 = { type: "literal", value: "time", description: "\"time\"" },
            peg$c18 = function(type, style) {
                    return {
                        type : type + 'Format',
                        style: style && style[2],
                        location: location()
                    };
                },
            peg$c19 = "plural",
            peg$c20 = { type: "literal", value: "plural", description: "\"plural\"" },
            peg$c21 = function(pluralStyle) {
                    return {
                        type   : pluralStyle.type,
                        ordinal: false,
                        offset : pluralStyle.offset || 0,
                        options: pluralStyle.options,
                        location: location()
                    };
                },
            peg$c22 = "selectordinal",
            peg$c23 = { type: "literal", value: "selectordinal", description: "\"selectordinal\"" },
            peg$c24 = function(pluralStyle) {
                    return {
                        type   : pluralStyle.type,
                        ordinal: true,
                        offset : pluralStyle.offset || 0,
                        options: pluralStyle.options,
                        location: location()
                    }
                },
            peg$c25 = "select",
            peg$c26 = { type: "literal", value: "select", description: "\"select\"" },
            peg$c27 = function(options) {
                    return {
                        type   : 'selectFormat',
                        options: options,
                        location: location()
                    };
                },
            peg$c28 = "=",
            peg$c29 = { type: "literal", value: "=", description: "\"=\"" },
            peg$c30 = function(selector, pattern) {
                    return {
                        type    : 'optionalFormatPattern',
                        selector: selector,
                        value   : pattern,
                        location: location()
                    };
                },
            peg$c31 = "offset:",
            peg$c32 = { type: "literal", value: "offset:", description: "\"offset:\"" },
            peg$c33 = function(number) {
                    return number;
                },
            peg$c34 = function(offset, options) {
                    return {
                        type   : 'pluralFormat',
                        offset : offset,
                        options: options,
                        location: location()
                    };
                },
            peg$c35 = { type: "other", description: "whitespace" },
            peg$c36 = /^[ \t\n\r]/,
            peg$c37 = { type: "class", value: "[ \\t\\n\\r]", description: "[ \\t\\n\\r]" },
            peg$c38 = { type: "other", description: "optionalWhitespace" },
            peg$c39 = /^[0-9]/,
            peg$c40 = { type: "class", value: "[0-9]", description: "[0-9]" },
            peg$c41 = /^[0-9a-f]/i,
            peg$c42 = { type: "class", value: "[0-9a-f]i", description: "[0-9a-f]i" },
            peg$c43 = "0",
            peg$c44 = { type: "literal", value: "0", description: "\"0\"" },
            peg$c45 = /^[1-9]/,
            peg$c46 = { type: "class", value: "[1-9]", description: "[1-9]" },
            peg$c47 = function(digits) {
                return parseInt(digits, 10);
            },
            peg$c48 = /^[^{}\\\0-\x1F \t\n\r]/,
            peg$c49 = { type: "class", value: "[^{}\\\\\\0-\\x1F\\x7f \\t\\n\\r]", description: "[^{}\\\\\\0-\\x1F\\x7f \\t\\n\\r]" },
            peg$c50 = "\\\\",
            peg$c51 = { type: "literal", value: "\\\\", description: "\"\\\\\\\\\"" },
            peg$c52 = function() { return '\\'; },
            peg$c53 = "\\#",
            peg$c54 = { type: "literal", value: "\\#", description: "\"\\\\#\"" },
            peg$c55 = function() { return '\\#'; },
            peg$c56 = "\\{",
            peg$c57 = { type: "literal", value: "\\{", description: "\"\\\\{\"" },
            peg$c58 = function() { return '\u007B'; },
            peg$c59 = "\\}",
            peg$c60 = { type: "literal", value: "\\}", description: "\"\\\\}\"" },
            peg$c61 = function() { return '\u007D'; },
            peg$c62 = "\\u",
            peg$c63 = { type: "literal", value: "\\u", description: "\"\\\\u\"" },
            peg$c64 = function(digits) {
                    return String.fromCharCode(parseInt(digits, 16));
                },
            peg$c65 = function(chars) { return chars.join(''); },

            peg$currPos          = 0,
            peg$savedPos         = 0,
            peg$posDetailsCache  = [{ line: 1, column: 1, seenCR: false }],
            peg$maxFailPos       = 0,
            peg$maxFailExpected  = [],
            peg$silentFails      = 0,

            peg$result;

        if ("startRule" in options) {
          if (!(options.startRule in peg$startRuleFunctions)) {
            throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
          }

          peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
        }

        function location() {
          return peg$computeLocation(peg$savedPos, peg$currPos);
        }

        function peg$computePosDetails(pos) {
          var details = peg$posDetailsCache[pos],
              p, ch;

          if (details) {
            return details;
          } else {
            p = pos - 1;
            while (!peg$posDetailsCache[p]) {
              p--;
            }

            details = peg$posDetailsCache[p];
            details = {
              line:   details.line,
              column: details.column,
              seenCR: details.seenCR
            };

            while (p < pos) {
              ch = input.charAt(p);
              if (ch === "\n") {
                if (!details.seenCR) { details.line++; }
                details.column = 1;
                details.seenCR = false;
              } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
                details.line++;
                details.column = 1;
                details.seenCR = true;
              } else {
                details.column++;
                details.seenCR = false;
              }

              p++;
            }

            peg$posDetailsCache[pos] = details;
            return details;
          }
        }

        function peg$computeLocation(startPos, endPos) {
          var startPosDetails = peg$computePosDetails(startPos),
              endPosDetails   = peg$computePosDetails(endPos);

          return {
            start: {
              offset: startPos,
              line:   startPosDetails.line,
              column: startPosDetails.column
            },
            end: {
              offset: endPos,
              line:   endPosDetails.line,
              column: endPosDetails.column
            }
          };
        }

        function peg$fail(expected) {
          if (peg$currPos < peg$maxFailPos) { return; }

          if (peg$currPos > peg$maxFailPos) {
            peg$maxFailPos = peg$currPos;
            peg$maxFailExpected = [];
          }

          peg$maxFailExpected.push(expected);
        }

        function peg$buildException(message, expected, found, location) {
          function cleanupExpected(expected) {
            var i = 1;

            expected.sort(function(a, b) {
              if (a.description < b.description) {
                return -1;
              } else if (a.description > b.description) {
                return 1;
              } else {
                return 0;
              }
            });

            while (i < expected.length) {
              if (expected[i - 1] === expected[i]) {
                expected.splice(i, 1);
              } else {
                i++;
              }
            }
          }

          function buildMessage(expected, found) {
            function stringEscape(s) {
              function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }

              return s
                .replace(/\\/g,   '\\\\')
                .replace(/"/g,    '\\"')
                .replace(/\x08/g, '\\b')
                .replace(/\t/g,   '\\t')
                .replace(/\n/g,   '\\n')
                .replace(/\f/g,   '\\f')
                .replace(/\r/g,   '\\r')
                .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
                .replace(/[\x10-\x1F\x80-\xFF]/g,    function(ch) { return '\\x'  + hex(ch); })
                .replace(/[\u0100-\u0FFF]/g,         function(ch) { return '\\u0' + hex(ch); })
                .replace(/[\u1000-\uFFFF]/g,         function(ch) { return '\\u'  + hex(ch); });
            }

            var expectedDescs = new Array(expected.length),
                expectedDesc, foundDesc, i;

            for (i = 0; i < expected.length; i++) {
              expectedDescs[i] = expected[i].description;
            }

            expectedDesc = expected.length > 1
              ? expectedDescs.slice(0, -1).join(", ")
                  + " or "
                  + expectedDescs[expected.length - 1]
              : expectedDescs[0];

            foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";

            return "Expected " + expectedDesc + " but " + foundDesc + " found.";
          }

          if (expected !== null) {
            cleanupExpected(expected);
          }

          return new peg$SyntaxError(
            message !== null ? message : buildMessage(expected, found),
            expected,
            found,
            location
          );
        }

        function peg$parsestart() {
          var s0;

          s0 = peg$parsemessageFormatPattern();

          return s0;
        }

        function peg$parsemessageFormatPattern() {
          var s0, s1, s2;

          s0 = peg$currPos;
          s1 = [];
          s2 = peg$parsemessageFormatElement();
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parsemessageFormatElement();
          }
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c0(s1);
          }
          s0 = s1;

          return s0;
        }

        function peg$parsemessageFormatElement() {
          var s0;

          s0 = peg$parsemessageTextElement();
          if (s0 === peg$FAILED) {
            s0 = peg$parseargumentElement();
          }

          return s0;
        }

        function peg$parsemessageText() {
          var s0, s1, s2, s3, s4, s5;

          s0 = peg$currPos;
          s1 = [];
          s2 = peg$currPos;
          s3 = peg$parse_();
          if (s3 !== peg$FAILED) {
            s4 = peg$parsechars();
            if (s4 !== peg$FAILED) {
              s5 = peg$parse_();
              if (s5 !== peg$FAILED) {
                s3 = [s3, s4, s5];
                s2 = s3;
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
          if (s2 !== peg$FAILED) {
            while (s2 !== peg$FAILED) {
              s1.push(s2);
              s2 = peg$currPos;
              s3 = peg$parse_();
              if (s3 !== peg$FAILED) {
                s4 = peg$parsechars();
                if (s4 !== peg$FAILED) {
                  s5 = peg$parse_();
                  if (s5 !== peg$FAILED) {
                    s3 = [s3, s4, s5];
                    s2 = s3;
                  } else {
                    peg$currPos = s2;
                    s2 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s2;
                  s2 = peg$FAILED;
                }
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            }
          } else {
            s1 = peg$FAILED;
          }
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c1(s1);
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = peg$parsews();
            if (s1 !== peg$FAILED) {
              s0 = input.substring(s0, peg$currPos);
            } else {
              s0 = s1;
            }
          }

          return s0;
        }

        function peg$parsemessageTextElement() {
          var s0, s1;

          s0 = peg$currPos;
          s1 = peg$parsemessageText();
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c2(s1);
          }
          s0 = s1;

          return s0;
        }

        function peg$parseargument() {
          var s0, s1, s2;

          s0 = peg$parsenumber();
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = [];
            if (peg$c3.test(input.charAt(peg$currPos))) {
              s2 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c4); }
            }
            if (s2 !== peg$FAILED) {
              while (s2 !== peg$FAILED) {
                s1.push(s2);
                if (peg$c3.test(input.charAt(peg$currPos))) {
                  s2 = input.charAt(peg$currPos);
                  peg$currPos++;
                } else {
                  s2 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c4); }
                }
              }
            } else {
              s1 = peg$FAILED;
            }
            if (s1 !== peg$FAILED) {
              s0 = input.substring(s0, peg$currPos);
            } else {
              s0 = s1;
            }
          }

          return s0;
        }

        function peg$parseargumentElement() {
          var s0, s1, s2, s3, s4, s5, s6, s7, s8;

          s0 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 123) {
            s1 = peg$c5;
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c6); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              s3 = peg$parseargument();
              if (s3 !== peg$FAILED) {
                s4 = peg$parse_();
                if (s4 !== peg$FAILED) {
                  s5 = peg$currPos;
                  if (input.charCodeAt(peg$currPos) === 44) {
                    s6 = peg$c7;
                    peg$currPos++;
                  } else {
                    s6 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c8); }
                  }
                  if (s6 !== peg$FAILED) {
                    s7 = peg$parse_();
                    if (s7 !== peg$FAILED) {
                      s8 = peg$parseelementFormat();
                      if (s8 !== peg$FAILED) {
                        s6 = [s6, s7, s8];
                        s5 = s6;
                      } else {
                        peg$currPos = s5;
                        s5 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s5;
                      s5 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s5;
                    s5 = peg$FAILED;
                  }
                  if (s5 === peg$FAILED) {
                    s5 = null;
                  }
                  if (s5 !== peg$FAILED) {
                    s6 = peg$parse_();
                    if (s6 !== peg$FAILED) {
                      if (input.charCodeAt(peg$currPos) === 125) {
                        s7 = peg$c9;
                        peg$currPos++;
                      } else {
                        s7 = peg$FAILED;
                        if (peg$silentFails === 0) { peg$fail(peg$c10); }
                      }
                      if (s7 !== peg$FAILED) {
                        peg$savedPos = s0;
                        s1 = peg$c11(s3, s5);
                        s0 = s1;
                      } else {
                        peg$currPos = s0;
                        s0 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parseelementFormat() {
          var s0;

          s0 = peg$parsesimpleFormat();
          if (s0 === peg$FAILED) {
            s0 = peg$parsepluralFormat();
            if (s0 === peg$FAILED) {
              s0 = peg$parseselectOrdinalFormat();
              if (s0 === peg$FAILED) {
                s0 = peg$parseselectFormat();
              }
            }
          }

          return s0;
        }

        function peg$parsesimpleFormat() {
          var s0, s1, s2, s3, s4, s5, s6;

          s0 = peg$currPos;
          if (input.substr(peg$currPos, 6) === peg$c12) {
            s1 = peg$c12;
            peg$currPos += 6;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c13); }
          }
          if (s1 === peg$FAILED) {
            if (input.substr(peg$currPos, 4) === peg$c14) {
              s1 = peg$c14;
              peg$currPos += 4;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c15); }
            }
            if (s1 === peg$FAILED) {
              if (input.substr(peg$currPos, 4) === peg$c16) {
                s1 = peg$c16;
                peg$currPos += 4;
              } else {
                s1 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c17); }
              }
            }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              s3 = peg$currPos;
              if (input.charCodeAt(peg$currPos) === 44) {
                s4 = peg$c7;
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c8); }
              }
              if (s4 !== peg$FAILED) {
                s5 = peg$parse_();
                if (s5 !== peg$FAILED) {
                  s6 = peg$parsechars();
                  if (s6 !== peg$FAILED) {
                    s4 = [s4, s5, s6];
                    s3 = s4;
                  } else {
                    peg$currPos = s3;
                    s3 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s3;
                  s3 = peg$FAILED;
                }
              } else {
                peg$currPos = s3;
                s3 = peg$FAILED;
              }
              if (s3 === peg$FAILED) {
                s3 = null;
              }
              if (s3 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c18(s1, s3);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parsepluralFormat() {
          var s0, s1, s2, s3, s4, s5;

          s0 = peg$currPos;
          if (input.substr(peg$currPos, 6) === peg$c19) {
            s1 = peg$c19;
            peg$currPos += 6;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c20); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 44) {
                s3 = peg$c7;
                peg$currPos++;
              } else {
                s3 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c8); }
              }
              if (s3 !== peg$FAILED) {
                s4 = peg$parse_();
                if (s4 !== peg$FAILED) {
                  s5 = peg$parsepluralStyle();
                  if (s5 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s1 = peg$c21(s5);
                    s0 = s1;
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parseselectOrdinalFormat() {
          var s0, s1, s2, s3, s4, s5;

          s0 = peg$currPos;
          if (input.substr(peg$currPos, 13) === peg$c22) {
            s1 = peg$c22;
            peg$currPos += 13;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c23); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 44) {
                s3 = peg$c7;
                peg$currPos++;
              } else {
                s3 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c8); }
              }
              if (s3 !== peg$FAILED) {
                s4 = peg$parse_();
                if (s4 !== peg$FAILED) {
                  s5 = peg$parsepluralStyle();
                  if (s5 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s1 = peg$c24(s5);
                    s0 = s1;
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parseselectFormat() {
          var s0, s1, s2, s3, s4, s5, s6;

          s0 = peg$currPos;
          if (input.substr(peg$currPos, 6) === peg$c25) {
            s1 = peg$c25;
            peg$currPos += 6;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c26); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 44) {
                s3 = peg$c7;
                peg$currPos++;
              } else {
                s3 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c8); }
              }
              if (s3 !== peg$FAILED) {
                s4 = peg$parse_();
                if (s4 !== peg$FAILED) {
                  s5 = [];
                  s6 = peg$parseoptionalFormatPattern();
                  if (s6 !== peg$FAILED) {
                    while (s6 !== peg$FAILED) {
                      s5.push(s6);
                      s6 = peg$parseoptionalFormatPattern();
                    }
                  } else {
                    s5 = peg$FAILED;
                  }
                  if (s5 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s1 = peg$c27(s5);
                    s0 = s1;
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parseselector() {
          var s0, s1, s2, s3;

          s0 = peg$currPos;
          s1 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 61) {
            s2 = peg$c28;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c29); }
          }
          if (s2 !== peg$FAILED) {
            s3 = peg$parsenumber();
            if (s3 !== peg$FAILED) {
              s2 = [s2, s3];
              s1 = s2;
            } else {
              peg$currPos = s1;
              s1 = peg$FAILED;
            }
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
          if (s1 !== peg$FAILED) {
            s0 = input.substring(s0, peg$currPos);
          } else {
            s0 = s1;
          }
          if (s0 === peg$FAILED) {
            s0 = peg$parsechars();
          }

          return s0;
        }

        function peg$parseoptionalFormatPattern() {
          var s0, s1, s2, s3, s4, s5, s6, s7, s8;

          s0 = peg$currPos;
          s1 = peg$parse_();
          if (s1 !== peg$FAILED) {
            s2 = peg$parseselector();
            if (s2 !== peg$FAILED) {
              s3 = peg$parse_();
              if (s3 !== peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 123) {
                  s4 = peg$c5;
                  peg$currPos++;
                } else {
                  s4 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c6); }
                }
                if (s4 !== peg$FAILED) {
                  s5 = peg$parse_();
                  if (s5 !== peg$FAILED) {
                    s6 = peg$parsemessageFormatPattern();
                    if (s6 !== peg$FAILED) {
                      s7 = peg$parse_();
                      if (s7 !== peg$FAILED) {
                        if (input.charCodeAt(peg$currPos) === 125) {
                          s8 = peg$c9;
                          peg$currPos++;
                        } else {
                          s8 = peg$FAILED;
                          if (peg$silentFails === 0) { peg$fail(peg$c10); }
                        }
                        if (s8 !== peg$FAILED) {
                          peg$savedPos = s0;
                          s1 = peg$c30(s2, s6);
                          s0 = s1;
                        } else {
                          peg$currPos = s0;
                          s0 = peg$FAILED;
                        }
                      } else {
                        peg$currPos = s0;
                        s0 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parseoffset() {
          var s0, s1, s2, s3;

          s0 = peg$currPos;
          if (input.substr(peg$currPos, 7) === peg$c31) {
            s1 = peg$c31;
            peg$currPos += 7;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c32); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              s3 = peg$parsenumber();
              if (s3 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c33(s3);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parsepluralStyle() {
          var s0, s1, s2, s3, s4;

          s0 = peg$currPos;
          s1 = peg$parseoffset();
          if (s1 === peg$FAILED) {
            s1 = null;
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parse_();
            if (s2 !== peg$FAILED) {
              s3 = [];
              s4 = peg$parseoptionalFormatPattern();
              if (s4 !== peg$FAILED) {
                while (s4 !== peg$FAILED) {
                  s3.push(s4);
                  s4 = peg$parseoptionalFormatPattern();
                }
              } else {
                s3 = peg$FAILED;
              }
              if (s3 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c34(s1, s3);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }

          return s0;
        }

        function peg$parsews() {
          var s0, s1;

          peg$silentFails++;
          s0 = [];
          if (peg$c36.test(input.charAt(peg$currPos))) {
            s1 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c37); }
          }
          if (s1 !== peg$FAILED) {
            while (s1 !== peg$FAILED) {
              s0.push(s1);
              if (peg$c36.test(input.charAt(peg$currPos))) {
                s1 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s1 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c37); }
              }
            }
          } else {
            s0 = peg$FAILED;
          }
          peg$silentFails--;
          if (s0 === peg$FAILED) {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c35); }
          }

          return s0;
        }

        function peg$parse_() {
          var s0, s1, s2;

          peg$silentFails++;
          s0 = peg$currPos;
          s1 = [];
          s2 = peg$parsews();
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parsews();
          }
          if (s1 !== peg$FAILED) {
            s0 = input.substring(s0, peg$currPos);
          } else {
            s0 = s1;
          }
          peg$silentFails--;
          if (s0 === peg$FAILED) {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c38); }
          }

          return s0;
        }

        function peg$parsedigit() {
          var s0;

          if (peg$c39.test(input.charAt(peg$currPos))) {
            s0 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c40); }
          }

          return s0;
        }

        function peg$parsehexDigit() {
          var s0;

          if (peg$c41.test(input.charAt(peg$currPos))) {
            s0 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c42); }
          }

          return s0;
        }

        function peg$parsenumber() {
          var s0, s1, s2, s3, s4, s5;

          s0 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 48) {
            s1 = peg$c43;
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c44); }
          }
          if (s1 === peg$FAILED) {
            s1 = peg$currPos;
            s2 = peg$currPos;
            if (peg$c45.test(input.charAt(peg$currPos))) {
              s3 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c46); }
            }
            if (s3 !== peg$FAILED) {
              s4 = [];
              s5 = peg$parsedigit();
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                s5 = peg$parsedigit();
              }
              if (s4 !== peg$FAILED) {
                s3 = [s3, s4];
                s2 = s3;
              } else {
                peg$currPos = s2;
                s2 = peg$FAILED;
              }
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
            if (s2 !== peg$FAILED) {
              s1 = input.substring(s1, peg$currPos);
            } else {
              s1 = s2;
            }
          }
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c47(s1);
          }
          s0 = s1;

          return s0;
        }

        function peg$parsechar() {
          var s0, s1, s2, s3, s4, s5, s6, s7;

          if (peg$c48.test(input.charAt(peg$currPos))) {
            s0 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c49); }
          }
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            if (input.substr(peg$currPos, 2) === peg$c50) {
              s1 = peg$c50;
              peg$currPos += 2;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c51); }
            }
            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c52();
            }
            s0 = s1;
            if (s0 === peg$FAILED) {
              s0 = peg$currPos;
              if (input.substr(peg$currPos, 2) === peg$c53) {
                s1 = peg$c53;
                peg$currPos += 2;
              } else {
                s1 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c54); }
              }
              if (s1 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c55();
              }
              s0 = s1;
              if (s0 === peg$FAILED) {
                s0 = peg$currPos;
                if (input.substr(peg$currPos, 2) === peg$c56) {
                  s1 = peg$c56;
                  peg$currPos += 2;
                } else {
                  s1 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c57); }
                }
                if (s1 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c58();
                }
                s0 = s1;
                if (s0 === peg$FAILED) {
                  s0 = peg$currPos;
                  if (input.substr(peg$currPos, 2) === peg$c59) {
                    s1 = peg$c59;
                    peg$currPos += 2;
                  } else {
                    s1 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c60); }
                  }
                  if (s1 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s1 = peg$c61();
                  }
                  s0 = s1;
                  if (s0 === peg$FAILED) {
                    s0 = peg$currPos;
                    if (input.substr(peg$currPos, 2) === peg$c62) {
                      s1 = peg$c62;
                      peg$currPos += 2;
                    } else {
                      s1 = peg$FAILED;
                      if (peg$silentFails === 0) { peg$fail(peg$c63); }
                    }
                    if (s1 !== peg$FAILED) {
                      s2 = peg$currPos;
                      s3 = peg$currPos;
                      s4 = peg$parsehexDigit();
                      if (s4 !== peg$FAILED) {
                        s5 = peg$parsehexDigit();
                        if (s5 !== peg$FAILED) {
                          s6 = peg$parsehexDigit();
                          if (s6 !== peg$FAILED) {
                            s7 = peg$parsehexDigit();
                            if (s7 !== peg$FAILED) {
                              s4 = [s4, s5, s6, s7];
                              s3 = s4;
                            } else {
                              peg$currPos = s3;
                              s3 = peg$FAILED;
                            }
                          } else {
                            peg$currPos = s3;
                            s3 = peg$FAILED;
                          }
                        } else {
                          peg$currPos = s3;
                          s3 = peg$FAILED;
                        }
                      } else {
                        peg$currPos = s3;
                        s3 = peg$FAILED;
                      }
                      if (s3 !== peg$FAILED) {
                        s2 = input.substring(s2, peg$currPos);
                      } else {
                        s2 = s3;
                      }
                      if (s2 !== peg$FAILED) {
                        peg$savedPos = s0;
                        s1 = peg$c64(s2);
                        s0 = s1;
                      } else {
                        peg$currPos = s0;
                        s0 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  }
                }
              }
            }
          }

          return s0;
        }

        function peg$parsechars() {
          var s0, s1, s2;

          s0 = peg$currPos;
          s1 = [];
          s2 = peg$parsechar();
          if (s2 !== peg$FAILED) {
            while (s2 !== peg$FAILED) {
              s1.push(s2);
              s2 = peg$parsechar();
            }
          } else {
            s1 = peg$FAILED;
          }
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c65(s1);
          }
          s0 = s1;

          return s0;
        }

        peg$result = peg$startRuleFunction();

        if (peg$result !== peg$FAILED && peg$currPos === input.length) {
          return peg$result;
        } else {
          if (peg$result !== peg$FAILED && peg$currPos < input.length) {
            peg$fail({ type: "end", description: "end of input" });
          }

          throw peg$buildException(
            null,
            peg$maxFailExpected,
            peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
            peg$maxFailPos < input.length
              ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
              : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
          );
        }
      }

      return {
        SyntaxError: peg$SyntaxError,
        parse:       peg$parse
      };
    })();

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    // -- MessageFormat --------------------------------------------------------

    function MessageFormat(message, locales, formats) {
        // Parse string messages into an AST.
        var ast = typeof message === 'string' ?
                MessageFormat.__parse(message) : message;

        if (!(ast && ast.type === 'messageFormatPattern')) {
            throw new TypeError('A message must be provided as a String or AST.');
        }

        // Creates a new object with the specified `formats` merged with the default
        // formats.
        formats = this._mergeFormats(MessageFormat.formats, formats);

        // Defined first because it's used to build the format pattern.
        defineProperty(this, '_locale',  {value: this._resolveLocale(locales)});

        // Compile the `ast` to a pattern that is highly optimized for repeated
        // `format()` invocations. **Note:** This passes the `locales` set provided
        // to the constructor instead of just the resolved locale.
        var pluralFn = this._findPluralRuleFunction(this._locale);
        var pattern  = this._compilePattern(ast, locales, formats, pluralFn);

        // "Bind" `format()` method to `this` so it can be passed by reference like
        // the other `Intl` APIs.
        var messageFormat = this;
        this.format = function (values) {
          try {
            return messageFormat._format(pattern, values);
          } catch (e) {
            if (e.variableId) {
              throw new Error(
                'The intl string context variable \'' + e.variableId + '\'' +
                ' was not provided to the string \'' + message + '\''
              );
            } else {
              throw e;
            }
          }
        };
    }

    // Default format options used as the prototype of the `formats` provided to the
    // constructor. These are used when constructing the internal Intl.NumberFormat
    // and Intl.DateTimeFormat instances.
    defineProperty(MessageFormat, 'formats', {
        enumerable: true,

        value: {
            number: {
                'currency': {
                    style: 'currency'
                },

                'percent': {
                    style: 'percent'
                }
            },

            date: {
                'short': {
                    month: 'numeric',
                    day  : 'numeric',
                    year : '2-digit'
                },

                'medium': {
                    month: 'short',
                    day  : 'numeric',
                    year : 'numeric'
                },

                'long': {
                    month: 'long',
                    day  : 'numeric',
                    year : 'numeric'
                },

                'full': {
                    weekday: 'long',
                    month  : 'long',
                    day    : 'numeric',
                    year   : 'numeric'
                }
            },

            time: {
                'short': {
                    hour  : 'numeric',
                    minute: 'numeric'
                },

                'medium':  {
                    hour  : 'numeric',
                    minute: 'numeric',
                    second: 'numeric'
                },

                'long': {
                    hour        : 'numeric',
                    minute      : 'numeric',
                    second      : 'numeric',
                    timeZoneName: 'short'
                },

                'full': {
                    hour        : 'numeric',
                    minute      : 'numeric',
                    second      : 'numeric',
                    timeZoneName: 'short'
                }
            }
        }
    });

    // Define internal private properties for dealing with locale data.
    defineProperty(MessageFormat, '__localeData__', {value: objCreate(null)});
    defineProperty(MessageFormat, '__addLocaleData', {value: function (data) {
        if (!(data && data.locale)) {
            throw new Error(
                'Locale data provided to IntlMessageFormat is missing a ' +
                '`locale` property'
            );
        }

        MessageFormat.__localeData__[data.locale.toLowerCase()] = data;
    }});

    // Defines `__parse()` static method as an exposed private.
    defineProperty(MessageFormat, '__parse', {value: parser.parse});

    // Define public `defaultLocale` property which defaults to English, but can be
    // set by the developer.
    defineProperty(MessageFormat, 'defaultLocale', {
        enumerable: true,
        writable  : true,
        value     : undefined
    });

    MessageFormat.prototype.resolvedOptions = function () {
        // TODO: Provide anything else?
        return {
            locale: this._locale
        };
    };

    MessageFormat.prototype._compilePattern = function (ast, locales, formats, pluralFn) {
        var compiler = new Compiler(locales, formats, pluralFn);
        return compiler.compile(ast);
    };

    MessageFormat.prototype._findPluralRuleFunction = function (locale) {
        var localeData = MessageFormat.__localeData__;
        var data       = localeData[locale.toLowerCase()];

        // The locale data is de-duplicated, so we have to traverse the locale's
        // hierarchy until we find a `pluralRuleFunction` to return.
        while (data) {
            if (data.pluralRuleFunction) {
                return data.pluralRuleFunction;
            }

            data = data.parentLocale && localeData[data.parentLocale.toLowerCase()];
        }

        throw new Error(
            'Locale data added to IntlMessageFormat is missing a ' +
            '`pluralRuleFunction` for :' + locale
        );
    };

    MessageFormat.prototype._format = function (pattern, values) {
        var result = '',
            i, len, part, id, value, err;

        for (i = 0, len = pattern.length; i < len; i += 1) {
            part = pattern[i];

            // Exist early for string parts.
            if (typeof part === 'string') {
                result += part;
                continue;
            }

            id = part.id;

            // Enforce that all required values are provided by the caller.
            if (!(values && hop.call(values, id))) {
              err = new Error('A value must be provided for: ' + id);
              err.variableId = id;
              throw err;
            }

            value = values[id];

            // Recursively format plural and select parts' option — which can be a
            // nested pattern structure. The choosing of the option to use is
            // abstracted-by and delegated-to the part helper object.
            if (part.options) {
                result += this._format(part.getOption(value), values);
            } else {
                result += part.format(value);
            }
        }

        return result;
    };

    MessageFormat.prototype._mergeFormats = function (defaults, formats) {
        var mergedFormats = {},
            type, mergedType;

        for (type in defaults) {
            if (!hop.call(defaults, type)) { continue; }

            mergedFormats[type] = mergedType = objCreate(defaults[type]);

            if (formats && hop.call(formats, type)) {
                extend(mergedType, formats[type]);
            }
        }

        return mergedFormats;
    };

    MessageFormat.prototype._resolveLocale = function (locales) {
        if (typeof locales === 'string') {
            locales = [locales];
        }

        // Create a copy of the array so we can push on the default locale.
        locales = (locales || []).concat(MessageFormat.defaultLocale);

        var localeData = MessageFormat.__localeData__;
        var i, len, localeParts, data;

        // Using the set of locales + the default locale, we look for the first one
        // which that has been registered. When data does not exist for a locale, we
        // traverse its ancestors to find something that's been registered within
        // its hierarchy of locales. Since we lack the proper `parentLocale` data
        // here, we must take a naive approach to traversal.
        for (i = 0, len = locales.length; i < len; i += 1) {
            localeParts = locales[i].toLowerCase().split('-');

            while (localeParts.length) {
                data = localeData[localeParts.join('-')];
                if (data) {
                    // Return the normalized locale string; e.g., we return "en-US",
                    // instead of "en-us".
                    return data.locale;
                }

                localeParts.pop();
            }
        }

        var defaultLocale = locales.pop();
        throw new Error(
            'No locale data has been added to IntlMessageFormat for: ' +
            locales.join(', ') + ', or the default locale: ' + defaultLocale
        );
    };

    // GENERATED FILE
    var defaultLocale = {"locale":"en","pluralRuleFunction":function (n,ord){var s=String(n).split("."),v0=!s[1],t0=Number(s[0])==n,n10=t0&&s[0].slice(-1),n100=t0&&s[0].slice(-2);if(ord)return n10==1&&n100!=11?"one":n10==2&&n100!=12?"two":n10==3&&n100!=13?"few":"other";return n==1&&v0?"one":"other"}};

    /* jslint esnext: true */

    MessageFormat.__addLocaleData(defaultLocale);
    MessageFormat.defaultLocale = 'en';

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    /* jslint esnext: true */

    var round = Math.round;

    function daysToYears(days) {
        // 400 years have 146097 days (taking into account leap year rules)
        return days * 400 / 146097;
    }

    // Thanks to date-fns
    // https://github.com/date-fns/date-fns
    // MIT © Sasha Koss

    var MILLISECONDS_IN_MINUTE = 60000;
    var MILLISECONDS_IN_DAY = 86400000;

    function startOfDay (dirtyDate) {
        var date = new Date(dirtyDate);
        date.setHours(0, 0, 0, 0);
        return date;
    }

    function differenceInCalendarDays (dirtyDateLeft, dirtyDateRight) {
        var startOfDayLeft = startOfDay(dirtyDateLeft);
        var startOfDayRight = startOfDay(dirtyDateRight);

        var timestampLeft = startOfDayLeft.getTime() -
            startOfDayLeft.getTimezoneOffset() * MILLISECONDS_IN_MINUTE;
        var timestampRight = startOfDayRight.getTime() -
            startOfDayRight.getTimezoneOffset() * MILLISECONDS_IN_MINUTE;

        // Round the number of days to the nearest integer
        // because the number of milliseconds in a day is not constant
        // (e.g. it's different in the day of the daylight saving time clock shift)
        return Math.round((timestampLeft - timestampRight) / MILLISECONDS_IN_DAY);
    }

    function diff (from, to) {
        // Convert to ms timestamps.
        from = +from;
        to   = +to;

        var millisecond = round(to - from),
            second      = round(millisecond / 1000),
            minute      = round(second / 60),
            hour        = round(minute / 60);

            // We expect a more precision in rounding when dealing with
            // days as it feels wrong when something happended 13 hours ago and
            // is regarded as "yesterday" even if the time was this morning.

        var day = differenceInCalendarDays(to, from);
        var week = round(day / 7);

        var rawYears = daysToYears(day),
            month    = round(rawYears * 12),
            year     = round(rawYears);

        return {
            millisecond    : millisecond,
            second         : second,
            'second-short' : second,
            minute         : minute,
            'minute-short' : minute,
            hour           : hour,
            'hour-short'   : hour,
            day            : day,
            'day-short'    : day,
            week           : week,
            'week-short'   : week,
            month          : month,
            'month-short'  : month,
            year           : year,
            'year-short'   : year
        };
    }

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    /* jslint esnext: true */

    // Purposely using the same implementation as the Intl.js `Intl` polyfill.
    // Copyright 2013 Andy Earnshaw, MIT License

    var hop$1 = Object.prototype.hasOwnProperty;
    var toString = Object.prototype.toString;

    var realDefineProp$1 = (function () {
        try { return !!Object.defineProperty({}, 'a', {}); }
        catch (e) { return false; }
    })();

    var defineProperty$1 = realDefineProp$1 ? Object.defineProperty :
            function (obj, name, desc) {

        if ('get' in desc && obj.__defineGetter__) {
            obj.__defineGetter__(name, desc.get);
        } else if (!hop$1.call(obj, name) || 'value' in desc) {
            obj[name] = desc.value;
        }
    };

    var objCreate$1 = Object.create || function (proto, props) {
        var obj, k;

        function F() {}
        F.prototype = proto;
        obj = new F();

        for (k in props) {
            if (hop$1.call(props, k)) {
                defineProperty$1(obj, k, props[k]);
            }
        }

        return obj;
    };

    var arrIndexOf = Array.prototype.indexOf || function (search, fromIndex) {
        /*jshint validthis:true */
        var arr = this;
        if (!arr.length) {
            return -1;
        }

        for (var i = fromIndex || 0, max = arr.length; i < max; i++) {
            if (arr[i] === search) {
                return i;
            }
        }

        return -1;
    };

    var isArray = Array.isArray || function (obj) {
        return toString.call(obj) === '[object Array]';
    };

    var dateNow = Date.now || function () {
        return new Date().getTime();
    };

    /*
    Copyright (c) 2014, Yahoo! Inc. All rights reserved.
    Copyrights licensed under the New BSD License.
    See the accompanying LICENSE file for terms.
    */

    // -----------------------------------------------------------------------------

    var FIELDS = [
        'second', 'second-short',
        'minute', 'minute-short',
        'hour', 'hour-short',
        'day', 'day-short',
        'month', 'month-short',
        'year', 'year-short'
    ];
    var STYLES = ['best fit', 'numeric'];

    // -- RelativeFormat -----------------------------------------------------------

    function RelativeFormat(locales, options) {
        options = options || {};

        // Make a copy of `locales` if it's an array, so that it doesn't change
        // since it's used lazily.
        if (isArray(locales)) {
            locales = locales.concat();
        }

        defineProperty$1(this, '_locale', {value: this._resolveLocale(locales)});
        defineProperty$1(this, '_options', {value: {
            style: this._resolveStyle(options.style),
            units: this._isValidUnits(options.units) && options.units
        }});

        defineProperty$1(this, '_locales', {value: locales});
        defineProperty$1(this, '_fields', {value: this._findFields(this._locale)});
        defineProperty$1(this, '_messages', {value: objCreate$1(null)});

        // "Bind" `format()` method to `this` so it can be passed by reference like
        // the other `Intl` APIs.
        var relativeFormat = this;
        this.format = function format(date, options) {
            return relativeFormat._format(date, options);
        };
    }

    // Define internal private properties for dealing with locale data.
    defineProperty$1(RelativeFormat, '__localeData__', {value: objCreate$1(null)});
    defineProperty$1(RelativeFormat, '__addLocaleData', {value: function () {
        for (var i = 0; i < arguments.length; i++) {
            var datum = arguments[i];
            if (!(datum && datum.locale)) {
                throw new Error(
                    'Locale data provided to IntlRelativeFormat is missing a ' +
                    '`locale` property value'
                );
            }
        
            RelativeFormat.__localeData__[datum.locale.toLowerCase()] = datum;
        
            // Add data to IntlMessageFormat.
            MessageFormat.__addLocaleData(datum);
        }
    }});

    // Define public `defaultLocale` property which can be set by the developer, or
    // it will be set when the first RelativeFormat instance is created by
    // leveraging the resolved locale from `Intl`.
    defineProperty$1(RelativeFormat, 'defaultLocale', {
        enumerable: true,
        writable  : true,
        value     : undefined
    });

    // Define public `thresholds` property which can be set by the developer, and
    // defaults to relative time thresholds from moment.js.
    defineProperty$1(RelativeFormat, 'thresholds', {
        enumerable: true,

        value: {
            second: 45, 'second-short': 45,  // seconds to minute
            minute: 45, 'minute-short': 45, // minutes to hour
            hour  : 22, 'hour-short': 22, // hours to day
            day   : 26, 'day-short': 26, // days to month
            month : 11, 'month-short': 11 // months to year
        }
    });

    RelativeFormat.prototype.resolvedOptions = function () {
        return {
            locale: this._locale,
            style : this._options.style,
            units : this._options.units
        };
    };

    RelativeFormat.prototype._compileMessage = function (units) {
        // `this._locales` is the original set of locales the user specified to the
        // constructor, while `this._locale` is the resolved root locale.
        var locales        = this._locales;
        var resolvedLocale = this._locale;

        var field        = this._fields[units];
        var relativeTime = field.relativeTime;
        var future       = '';
        var past         = '';
        var i;

        for (i in relativeTime.future) {
            if (relativeTime.future.hasOwnProperty(i)) {
                future += ' ' + i + ' {' +
                    relativeTime.future[i].replace('{0}', '#') + '}';
            }
        }

        for (i in relativeTime.past) {
            if (relativeTime.past.hasOwnProperty(i)) {
                past += ' ' + i + ' {' +
                    relativeTime.past[i].replace('{0}', '#') + '}';
            }
        }

        var message = '{when, select, future {{0, plural, ' + future + '}}' +
                                     'past {{0, plural, ' + past + '}}}';

        // Create the synthetic IntlMessageFormat instance using the original
        // locales value specified by the user when constructing the the parent
        // IntlRelativeFormat instance.
        return new MessageFormat(message, locales);
    };

    RelativeFormat.prototype._getMessage = function (units) {
        var messages = this._messages;

        // Create a new synthetic message based on the locale data from CLDR.
        if (!messages[units]) {
            messages[units] = this._compileMessage(units);
        }

        return messages[units];
    };

    RelativeFormat.prototype._getRelativeUnits = function (diff, units) {
        var field = this._fields[units];

        if (field.relative) {
            return field.relative[diff];
        }
    };

    RelativeFormat.prototype._findFields = function (locale) {
        var localeData = RelativeFormat.__localeData__;
        var data       = localeData[locale.toLowerCase()];

        // The locale data is de-duplicated, so we have to traverse the locale's
        // hierarchy until we find `fields` to return.
        while (data) {
            if (data.fields) {
                return data.fields;
            }

            data = data.parentLocale && localeData[data.parentLocale.toLowerCase()];
        }

        throw new Error(
            'Locale data added to IntlRelativeFormat is missing `fields` for :' +
            locale
        );
    };

    RelativeFormat.prototype._format = function (date, options) {
        var now = options && options.now !== undefined ? options.now : dateNow();

        if (date === undefined) {
            date = now;
        }

        // Determine if the `date` and optional `now` values are valid, and throw a
        // similar error to what `Intl.DateTimeFormat#format()` would throw.
        if (!isFinite(now)) {
            throw new RangeError(
                'The `now` option provided to IntlRelativeFormat#format() is not ' +
                'in valid range.'
            );
        }

        if (!isFinite(date)) {
            throw new RangeError(
                'The date value provided to IntlRelativeFormat#format() is not ' +
                'in valid range.'
            );
        }

        var diffReport  = diff(now, date);
        var units       = this._options.units || this._selectUnits(diffReport);
        var diffInUnits = diffReport[units];

        if (this._options.style !== 'numeric') {
            var relativeUnits = this._getRelativeUnits(diffInUnits, units);
            if (relativeUnits) {
                return relativeUnits;
            }
        }

        return this._getMessage(units).format({
            '0' : Math.abs(diffInUnits),
            when: diffInUnits < 0 ? 'past' : 'future'
        });
    };

    RelativeFormat.prototype._isValidUnits = function (units) {
        if (!units || arrIndexOf.call(FIELDS, units) >= 0) {
            return true;
        }

        if (typeof units === 'string') {
            var suggestion = /s$/.test(units) && units.substr(0, units.length - 1);
            if (suggestion && arrIndexOf.call(FIELDS, suggestion) >= 0) {
                throw new Error(
                    '"' + units + '" is not a valid IntlRelativeFormat `units` ' +
                    'value, did you mean: ' + suggestion
                );
            }
        }

        throw new Error(
            '"' + units + '" is not a valid IntlRelativeFormat `units` value, it ' +
            'must be one of: "' + FIELDS.join('", "') + '"'
        );
    };

    RelativeFormat.prototype._resolveLocale = function (locales) {
        if (typeof locales === 'string') {
            locales = [locales];
        }

        // Create a copy of the array so we can push on the default locale.
        locales = (locales || []).concat(RelativeFormat.defaultLocale);

        var localeData = RelativeFormat.__localeData__;
        var i, len, localeParts, data;

        // Using the set of locales + the default locale, we look for the first one
        // which that has been registered. When data does not exist for a locale, we
        // traverse its ancestors to find something that's been registered within
        // its hierarchy of locales. Since we lack the proper `parentLocale` data
        // here, we must take a naive approach to traversal.
        for (i = 0, len = locales.length; i < len; i += 1) {
            localeParts = locales[i].toLowerCase().split('-');

            while (localeParts.length) {
                data = localeData[localeParts.join('-')];
                if (data) {
                    // Return the normalized locale string; e.g., we return "en-US",
                    // instead of "en-us".
                    return data.locale;
                }

                localeParts.pop();
            }
        }

        var defaultLocale = locales.pop();
        throw new Error(
            'No locale data has been added to IntlRelativeFormat for: ' +
            locales.join(', ') + ', or the default locale: ' + defaultLocale
        );
    };

    RelativeFormat.prototype._resolveStyle = function (style) {
        // Default to "best fit" style.
        if (!style) {
            return STYLES[0];
        }

        if (arrIndexOf.call(STYLES, style) >= 0) {
            return style;
        }

        throw new Error(
            '"' + style + '" is not a valid IntlRelativeFormat `style` value, it ' +
            'must be one of: "' + STYLES.join('", "') + '"'
        );
    };

    RelativeFormat.prototype._selectUnits = function (diffReport) {
        var i, l, units;
        var fields = FIELDS.filter(function(field) {
            return field.indexOf('-short') < 1;
        });

        for (i = 0, l = fields.length; i < l; i += 1) {
            units = fields[i];

            if (Math.abs(diffReport[units]) < RelativeFormat.thresholds[units]) {
                break;
            }
        }

        return units;
    };

    /* @generated */	
    var defaultLocale$1 = {"locale":"en","pluralRuleFunction":function(n, ord
    ) {
      var s = String(n).split('.'), v0 = !s[1], t0 = Number(s[0]) == n,
          n10 = t0 && s[0].slice(-1), n100 = t0 && s[0].slice(-2);
      if (ord) return (n10 == 1 && n100 != 11) ? 'one'
          : (n10 == 2 && n100 != 12) ? 'two'
          : (n10 == 3 && n100 != 13) ? 'few'
          : 'other';
      return (n == 1 && v0) ? 'one' : 'other';
    },"fields":{"year":{"displayName":"year","relative":{"0":"this year","1":"next year","-1":"last year"},"relativeTime":{"future":{"one":"in {0} year","other":"in {0} years"},"past":{"one":"{0} year ago","other":"{0} years ago"}}},"year-short":{"displayName":"yr.","relative":{"0":"this yr.","1":"next yr.","-1":"last yr."},"relativeTime":{"future":{"one":"in {0} yr.","other":"in {0} yr."},"past":{"one":"{0} yr. ago","other":"{0} yr. ago"}}},"month":{"displayName":"month","relative":{"0":"this month","1":"next month","-1":"last month"},"relativeTime":{"future":{"one":"in {0} month","other":"in {0} months"},"past":{"one":"{0} month ago","other":"{0} months ago"}}},"month-short":{"displayName":"mo.","relative":{"0":"this mo.","1":"next mo.","-1":"last mo."},"relativeTime":{"future":{"one":"in {0} mo.","other":"in {0} mo."},"past":{"one":"{0} mo. ago","other":"{0} mo. ago"}}},"week":{"displayName":"week","relativePeriod":"the week of {0}","relative":{"0":"this week","1":"next week","-1":"last week"},"relativeTime":{"future":{"one":"in {0} week","other":"in {0} weeks"},"past":{"one":"{0} week ago","other":"{0} weeks ago"}}},"week-short":{"displayName":"wk.","relativePeriod":"the week of {0}","relative":{"0":"this wk.","1":"next wk.","-1":"last wk."},"relativeTime":{"future":{"one":"in {0} wk.","other":"in {0} wk."},"past":{"one":"{0} wk. ago","other":"{0} wk. ago"}}},"day":{"displayName":"day","relative":{"0":"today","1":"tomorrow","-1":"yesterday"},"relativeTime":{"future":{"one":"in {0} day","other":"in {0} days"},"past":{"one":"{0} day ago","other":"{0} days ago"}}},"day-short":{"displayName":"day","relative":{"0":"today","1":"tomorrow","-1":"yesterday"},"relativeTime":{"future":{"one":"in {0} day","other":"in {0} days"},"past":{"one":"{0} day ago","other":"{0} days ago"}}},"hour":{"displayName":"hour","relative":{"0":"this hour"},"relativeTime":{"future":{"one":"in {0} hour","other":"in {0} hours"},"past":{"one":"{0} hour ago","other":"{0} hours ago"}}},"hour-short":{"displayName":"hr.","relative":{"0":"this hour"},"relativeTime":{"future":{"one":"in {0} hr.","other":"in {0} hr."},"past":{"one":"{0} hr. ago","other":"{0} hr. ago"}}},"minute":{"displayName":"minute","relative":{"0":"this minute"},"relativeTime":{"future":{"one":"in {0} minute","other":"in {0} minutes"},"past":{"one":"{0} minute ago","other":"{0} minutes ago"}}},"minute-short":{"displayName":"min.","relative":{"0":"this minute"},"relativeTime":{"future":{"one":"in {0} min.","other":"in {0} min."},"past":{"one":"{0} min. ago","other":"{0} min. ago"}}},"second":{"displayName":"second","relative":{"0":"now"},"relativeTime":{"future":{"one":"in {0} second","other":"in {0} seconds"},"past":{"one":"{0} second ago","other":"{0} seconds ago"}}},"second-short":{"displayName":"sec.","relative":{"0":"now"},"relativeTime":{"future":{"one":"in {0} sec.","other":"in {0} sec."},"past":{"one":"{0} sec. ago","other":"{0} sec. ago"}}}}};

    /* jslint esnext: true */

    RelativeFormat.__addLocaleData(defaultLocale$1);
    RelativeFormat.defaultLocale = 'en';

    return RelativeFormat;

}));
//# sourceMappingURL=intl-relativeformat.js.map