vue-intl.common.js

/*!
 * vue-intl v0.2.1
 * Released under the MIT License.
 */

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
};

/**
 * Utility functions.
 */

var util = {};
var arr = Array.prototype;
var obj = Object.prototype;
function Util (Vue) {
    util = Vue.util;
}

function isString(val) {
    return typeof val === 'string';
}

function isNumber(val) {
    return typeof val === 'number';
}

function isObject(obj) {
    return obj !== null && (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object';
}

function isUndefined(val) {
    return typeof val === 'undefined';
}

function isDate(val) {
    return obj.toString.call(val) === '[object Date]';
}

function toInt(val) {
    return parseInt(val, 10);
}

function concat(arr1, arr2, index) {
    return arr1.concat(arr.slice.call(arr2, index));
}

function uppercase(str) {
    return isString(str) ? str.toUpperCase() : str;
}

var NUMBER_STRING = /^\-?\d+$/;
var R_ISO8601_STR = /^(\d{4})-?(\d\d)-?(\d\d)(?:T(\d\d)(?::?(\d\d)(?::?(\d\d)(?:\.(\d+))?)?)?(Z|([+-])(\d\d):?(\d\d))?)?$/;
var DATE_FORMATS_SPLIT = /((?:[^yMdHhmsaZEwG']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z|G+|w+))(.*)/;
var DATE_FORMATS = {
    yyyy: dateGetter('FullYear', 4),
    yy: dateGetter('FullYear', 2, 0, true),
    y: dateGetter('FullYear', 1),
    MMMM: dateStrGetter('Month'),
    MMM: dateStrGetter('Month', true),
    MM: dateGetter('Month', 2, 1),
    M: dateGetter('Month', 1, 1),
    dd: dateGetter('Date', 2),
    d: dateGetter('Date', 1),
    HH: dateGetter('Hours', 2),
    H: dateGetter('Hours', 1),
    hh: dateGetter('Hours', 2, -12),
    h: dateGetter('Hours', 1, -12),
    mm: dateGetter('Minutes', 2),
    m: dateGetter('Minutes', 1),
    ss: dateGetter('Seconds', 2),
    s: dateGetter('Seconds', 1),
    sss: dateGetter('Milliseconds', 3),
    EEEE: dateStrGetter('Day'),
    EEE: dateStrGetter('Day', true),
    a: ampmGetter,
    Z: timeZoneGetter,
    ww: weekGetter(2),
    w: weekGetter(1),
    G: eraGetter,
    GG: eraGetter,
    GGG: eraGetter,
    GGGG: longEraGetter
};

function formatDate (date, format, timezone) {

    var text = '',
        parts = [],
        formats = this.$locale.DATETIME_FORMATS,
        fn,
        match;

    format = format || 'mediumDate';
    format = formats[format] || format;

    if (isString(date)) {
        date = NUMBER_STRING.test(date) ? toInt(date) : jsonStringToDate(date);
    }

    if (isNumber(date)) {
        date = new Date(date);
    }

    if (!isDate(date) || !isFinite(date.getTime())) {
        return date;
    }

    while (format) {
        match = DATE_FORMATS_SPLIT.exec(format);
        if (match) {
            parts = concat(parts, match, 1);
            format = parts.pop();
        } else {
            parts.push(format);
            format = null;
        }
    }

    var dateTimezoneOffset = date.getTimezoneOffset();

    if (timezone) {
        dateTimezoneOffset = timezoneToOffset(timezone, date.getTimezoneOffset());
        date = convertTimezoneToLocal(date, timezone, true);
    }

    parts.forEach(function (value) {
        fn = DATE_FORMATS[value];
        text += fn ? fn(date, formats, dateTimezoneOffset) : value.replace(/(^'|'$)/g, '').replace(/''/g, "'");
    });

    return text;
}

function padNumber(num, digits, trim) {
    var neg = '';
    if (num < 0) {
        neg = '-';
        num = -num;
    }
    num = '' + num;
    while (num.length < digits) {
        num = '0' + num;
    }if (trim) {
        num = num.substr(num.length - digits);
    }
    return neg + num;
}

function dateGetter(name, size, offset, trim) {
    offset = offset || 0;
    return function (date) {
        var value = date['get' + name]();
        if (offset > 0 || value > -offset) {
            value += offset;
        }
        if (value === 0 && offset == -12) value = 12;
        return padNumber(value, size, trim);
    };
}

function dateStrGetter(name, shortForm) {
    return function (date, formats) {
        var value = date['get' + name]();
        var get = uppercase(shortForm ? 'SHORT' + name : name);

        return formats[get][value];
    };
}

function timeZoneGetter(date, formats, offset) {
    var zone = -1 * offset;
    var paddedZone = zone >= 0 ? "+" : "";

    paddedZone += padNumber(Math[zone > 0 ? 'floor' : 'ceil'](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2);

    return paddedZone;
}

function getFirstThursdayOfYear(year) {
    // 0 = index of January
    var dayOfWeekOnFirst = new Date(year, 0, 1).getDay();
    // 4 = index of Thursday (+1 to account for 1st = 5)
    // 11 = index of *next* Thursday (+1 account for 1st = 12)
    return new Date(year, 0, (dayOfWeekOnFirst <= 4 ? 5 : 12) - dayOfWeekOnFirst);
}

function getThursdayThisWeek(datetime) {
    return new Date(datetime.getFullYear(), datetime.getMonth(),
    // 4 = index of Thursday
    datetime.getDate() + (4 - datetime.getDay()));
}

function weekGetter(size) {
    return function (date) {
        var firstThurs = getFirstThursdayOfYear(date.getFullYear()),
            thisThurs = getThursdayThisWeek(date);

        var diff = +thisThurs - +firstThurs,
            result = 1 + Math.round(diff / 6.048e8); // 6.048e8 ms per week

        return padNumber(result, size);
    };
}

function ampmGetter(date, formats) {
    return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1];
}

function eraGetter(date, formats) {
    return date.getFullYear() <= 0 ? formats.ERAS[0] : formats.ERAS[1];
}

function longEraGetter(date, formats) {
    return date.getFullYear() <= 0 ? formats.ERANAMES[0] : formats.ERANAMES[1];
}

function jsonStringToDate(string) {
    var match;
    if (match = string.match(R_ISO8601_STR)) {
        var date = new Date(0),
            tzHour = 0,
            tzMin = 0,
            dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear,
            timeSetter = match[8] ? date.setUTCHours : date.setHours;

        if (match[9]) {
            tzHour = toInt(match[9] + match[10]);
            tzMin = toInt(match[9] + match[11]);
        }
        dateSetter.call(date, toInt(match[1]), toInt(match[2]) - 1, toInt(match[3]));
        var h = toInt(match[4] || 0) - tzHour;
        var m = toInt(match[5] || 0) - tzMin;
        var s = toInt(match[6] || 0);
        var ms = Math.round(parseFloat('0.' + (match[7] || 0)) * 1000);
        timeSetter.call(date, h, m, s, ms);
        return date;
    }
    return string;
}

function timezoneToOffset(timezone, fallback) {
    var requestedTimezoneOffset = Date.parse('Jan 01, 1970 00:00:00 ' + timezone) / 60000;
    return isNaN(requestedTimezoneOffset) ? fallback : requestedTimezoneOffset;
}

function addDateMinutes(date, minutes) {
    date = new Date(date.getTime());
    date.setMinutes(date.getMinutes() + minutes);
    return date;
}

function convertTimezoneToLocal(date, timezone, reverse) {
    reverse = reverse ? -1 : 1;
    var timezoneOffset = timezoneToOffset(timezone, date.getTimezoneOffset());
    return addDateMinutes(date, reverse * (timezoneOffset - date.getTimezoneOffset()));
}

var DECIMAL_SEP = '.';

function formatNumber (number, fractionSize) {

    var formats = this.$locale.NUMBER_FORMATS;

    // if null or undefined pass it through
    return number == null ? number : formatNumber$1(number, formats.PATTERNS[0], formats.GROUP_SEP, formats.DECIMAL_SEP, fractionSize);
}

function formatNumber$1(number, pattern, groupSep, decimalSep, fractionSize) {

    if (isObject(number)) {
        return '';
    }

    var isNegative = number < 0;
    number = Math.abs(number);

    var isInfinity = number === Infinity;
    if (!isInfinity && !isFinite(number)) return '';

    var numStr = number + '',
        formatedText = '',
        hasExponent = false,
        parts = [];

    if (isInfinity) {
        formatedText = '∞';
    }

    if (!isInfinity && numStr.indexOf('e') !== -1) {
        var match = numStr.match(/([\d\.]+)e(-?)(\d+)/);
        if (match && match[2] == '-' && match[3] > fractionSize + 1) {
            number = 0;
        } else {
            formatedText = numStr;
            hasExponent = true;
        }
    }

    if (!isInfinity && !hasExponent) {

        var fractionLen = (numStr.split(DECIMAL_SEP)[1] || '').length;

        // determine fractionSize if it is not specified
        if (isUndefined(fractionSize)) {
            fractionSize = Math.min(Math.max(pattern.minFrac, fractionLen), pattern.maxFrac);
        }

        // safely round numbers in JS without hitting imprecisions of floating-point arithmetics
        // inspired by: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/round
        number = +(Math.round(+(number.toString() + 'e' + fractionSize)).toString() + 'e' + -fractionSize);

        var fraction = ('' + number).split(DECIMAL_SEP);
        var whole = fraction[0];
        fraction = fraction[1] || '';

        var i,
            pos = 0,
            lgroup = pattern.lgSize,
            group = pattern.gSize;

        if (whole.length >= lgroup + group) {
            pos = whole.length - lgroup;
            for (i = 0; i < pos; i++) {
                if ((pos - i) % group === 0 && i !== 0) {
                    formatedText += groupSep;
                }
                formatedText += whole.charAt(i);
            }
        }

        for (i = pos; i < whole.length; i++) {
            if ((whole.length - i) % lgroup === 0 && i !== 0) {
                formatedText += groupSep;
            }
            formatedText += whole.charAt(i);
        }

        // format fraction part.
        while (fraction.length < fractionSize) {
            fraction += '0';
        }

        if (fractionSize && fractionSize !== '0') {
            formatedText += decimalSep + fraction.substr(0, fractionSize);
        }
    } else {
        if (fractionSize > 0 && number < 1) {
            formatedText = number.toFixed(fractionSize);
            number = parseFloat(formatedText);
        }
    }

    if (number === 0) {
        isNegative = false;
    }

    parts.push(isNegative ? pattern.negPre : pattern.posPre, formatedText, isNegative ? pattern.negSuf : pattern.posSuf);

    return parts.join('');
}

function formatCurrency (amount, currencySymbol, fractionSize) {

    var formats = this.$locale.NUMBER_FORMATS;

    if (isUndefined(currencySymbol)) {
        currencySymbol = formats.CURRENCY_SYM;
    }

    if (isUndefined(fractionSize)) {
        fractionSize = formats.PATTERNS[1].maxFrac;
    }

    // if null or undefined pass it through
    return amount == null ? amount : formatNumber$1(amount, formats.PATTERNS[1], formats.GROUP_SEP, formats.DECIMAL_SEP, fractionSize).replace(/\u00A4/g, currencySymbol);
}

/**
 * Pluralization rules.
 */

var PLURAL_CACHE = {};
var PLURAL_CATEGORY = { ZERO: 'zero', ONE: 'one', TWO: 'two', FEW: 'few', MANY: 'many', OTHER: 'other' };
var PLURAL_LOCALES = [['en'], ['af', 'az', 'bg', 'chr', 'el', 'es', 'eu', 'gsw', 'haw', 'hu', 'ka', 'kk', 'ky', 'ml', 'mn', 'nb', 'ne', 'no', 'or', 'sq', 'ta', 'te', 'tr', 'uz'], ['am', 'bn', 'fa', 'gu', 'hi', 'kn', 'mr', 'zu'], ['ar'], ['be'], ['br'], ['bs', 'hr', 'sr'], ['cs', 'sk'], ['cy'], ['da'], ['fil', 'tl'], ['fr', 'hy'], ['ga'], ['he', 'iw'], ['id', 'in', 'ja', 'km', 'ko', 'lo', 'my', 'th', 'vi', 'zh'], ['is'], ['ln', 'pa'], ['lt'], ['lv'], ['mk'], ['ms'], ['mt'], ['pl'], ['pt'], ['ro'], ['ru', 'uk'], ['si'], ['sl']]; // END LOCALES
var PLURAL_RULES = [function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (i == 1 && vf.v == 0) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n == 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;if (i == 0 || n == 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n == 0) {
        return PLURAL_CATEGORY.ZERO;
    }if (n == 1) {
        return PLURAL_CATEGORY.ONE;
    }if (n == 2) {
        return PLURAL_CATEGORY.TWO;
    }if (n % 100 >= 3 && n % 100 <= 10) {
        return PLURAL_CATEGORY.FEW;
    }if (n % 100 >= 11 && n % 100 <= 99) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n % 10 == 1 && n % 100 != 11) {
        return PLURAL_CATEGORY.ONE;
    }if (n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % 100 > 14)) {
        return PLURAL_CATEGORY.FEW;
    }if (n % 10 == 0 || n % 10 >= 5 && n % 10 <= 9 || n % 100 >= 11 && n % 100 <= 14) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n % 10 == 1 && n % 100 != 11 && n % 100 != 71 && n % 100 != 91) {
        return PLURAL_CATEGORY.ONE;
    }if (n % 10 == 2 && n % 100 != 12 && n % 100 != 72 && n % 100 != 92) {
        return PLURAL_CATEGORY.TWO;
    }if ((n % 10 >= 3 && n % 10 <= 4 || n % 10 == 9) && (n % 100 < 10 || n % 100 > 19) && (n % 100 < 70 || n % 100 > 79) && (n % 100 < 90 || n % 100 > 99)) {
        return PLURAL_CATEGORY.FEW;
    }if (n != 0 && n % 1000000 == 0) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (vf.v == 0 && i % 10 == 1 && i % 100 != 11 || vf.f % 10 == 1 && vf.f % 100 != 11) {
        return PLURAL_CATEGORY.ONE;
    }if (vf.v == 0 && i % 10 >= 2 && i % 10 <= 4 && (i % 100 < 12 || i % 100 > 14) || vf.f % 10 >= 2 && vf.f % 10 <= 4 && (vf.f % 100 < 12 || vf.f % 100 > 14)) {
        return PLURAL_CATEGORY.FEW;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (i == 1 && vf.v == 0) {
        return PLURAL_CATEGORY.ONE;
    }if (i >= 2 && i <= 4 && vf.v == 0) {
        return PLURAL_CATEGORY.FEW;
    }if (vf.v != 0) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n == 0) {
        return PLURAL_CATEGORY.ZERO;
    }if (n == 1) {
        return PLURAL_CATEGORY.ONE;
    }if (n == 2) {
        return PLURAL_CATEGORY.TWO;
    }if (n == 3) {
        return PLURAL_CATEGORY.FEW;
    }if (n == 6) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);var wt = getWT(vf.v, vf.f);if (n == 1 || wt.t != 0 && (i == 0 || i == 1)) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (vf.v == 0 && (i == 1 || i == 2 || i == 3) || vf.v == 0 && i % 10 != 4 && i % 10 != 6 && i % 10 != 9 || vf.v != 0 && vf.f % 10 != 4 && vf.f % 10 != 6 && vf.f % 10 != 9) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;if (i == 0 || i == 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n == 1) {
        return PLURAL_CATEGORY.ONE;
    }if (n == 2) {
        return PLURAL_CATEGORY.TWO;
    }if (n >= 3 && n <= 6) {
        return PLURAL_CATEGORY.FEW;
    }if (n >= 7 && n <= 10) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (i == 1 && vf.v == 0) {
        return PLURAL_CATEGORY.ONE;
    }if (i == 2 && vf.v == 0) {
        return PLURAL_CATEGORY.TWO;
    }if (vf.v == 0 && (n < 0 || n > 10) && n % 10 == 0) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);var wt = getWT(vf.v, vf.f);if (wt.t == 0 && i % 10 == 1 && i % 100 != 11 || wt.t != 0) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n >= 0 && n <= 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var vf = getVF(n, precision);if (n % 10 == 1 && (n % 100 < 11 || n % 100 > 19)) {
        return PLURAL_CATEGORY.ONE;
    }if (n % 10 >= 2 && n % 10 <= 9 && (n % 100 < 11 || n % 100 > 19)) {
        return PLURAL_CATEGORY.FEW;
    }if (vf.f != 0) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var vf = getVF(n, precision);if (n % 10 == 0 || n % 100 >= 11 && n % 100 <= 19 || vf.v == 2 && vf.f % 100 >= 11 && vf.f % 100 <= 19) {
        return PLURAL_CATEGORY.ZERO;
    }if (n % 10 == 1 && n % 100 != 11 || vf.v == 2 && vf.f % 10 == 1 && vf.f % 100 != 11 || vf.v != 2 && vf.f % 10 == 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (vf.v == 0 && i % 10 == 1 || vf.f % 10 == 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n) {
    return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n == 1) {
        return PLURAL_CATEGORY.ONE;
    }if (n == 0 || n % 100 >= 2 && n % 100 <= 10) {
        return PLURAL_CATEGORY.FEW;
    }if (n % 100 >= 11 && n % 100 <= 19) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (i == 1 && vf.v == 0) {
        return PLURAL_CATEGORY.ONE;
    }if (vf.v == 0 && i % 10 >= 2 && i % 10 <= 4 && (i % 100 < 12 || i % 100 > 14)) {
        return PLURAL_CATEGORY.FEW;
    }if (vf.v == 0 && i != 1 && i % 10 >= 0 && i % 10 <= 1 || vf.v == 0 && i % 10 >= 5 && i % 10 <= 9 || vf.v == 0 && i % 100 >= 12 && i % 100 <= 14) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    if (n >= 0 && n <= 2 && n != 2) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (i == 1 && vf.v == 0) {
        return PLURAL_CATEGORY.ONE;
    }if (vf.v != 0 || n == 0 || n != 1 && n % 100 >= 1 && n % 100 <= 19) {
        return PLURAL_CATEGORY.FEW;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (vf.v == 0 && i % 10 == 1 && i % 100 != 11) {
        return PLURAL_CATEGORY.ONE;
    }if (vf.v == 0 && i % 10 >= 2 && i % 10 <= 4 && (i % 100 < 12 || i % 100 > 14)) {
        return PLURAL_CATEGORY.FEW;
    }if (vf.v == 0 && i % 10 == 0 || vf.v == 0 && i % 10 >= 5 && i % 10 <= 9 || vf.v == 0 && i % 100 >= 11 && i % 100 <= 14) {
        return PLURAL_CATEGORY.MANY;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (n == 0 || n == 1 || i == 0 && vf.f == 1) {
        return PLURAL_CATEGORY.ONE;
    }return PLURAL_CATEGORY.OTHER;
}, function (n, precision) {
    var i = n | 0;var vf = getVF(n, precision);if (vf.v == 0 && i % 100 == 1) {
        return PLURAL_CATEGORY.ONE;
    }if (vf.v == 0 && i % 100 == 2) {
        return PLURAL_CATEGORY.TWO;
    }if (vf.v == 0 && i % 100 >= 3 && i % 100 <= 4 || vf.v != 0) {
        return PLURAL_CATEGORY.FEW;
    }return PLURAL_CATEGORY.OTHER;
}]; // END RULES

PLURAL_LOCALES.map(function (locales, i) {
    locales.map(function (locale) {
        PLURAL_CACHE[locale] = PLURAL_RULES[i];
    });
});

function plural (id, num, precision) {

    var match = id.match(/^\w+/i);

    if (match) {
        id = match[0];
    }

    if (!PLURAL_CACHE[id]) {
        id = 'en';
    }

    return PLURAL_CACHE[id](num, precision);
}

function getDecimals(n) {
    n = n + '';
    var i = n.indexOf('.');
    return i == -1 ? 0 : n.length - i - 1;
}

function getVF(n, precision) {
    var v = precision;

    if (undefined === v) {
        v = Math.min(getDecimals(n), 3);
    }

    var base = Math.pow(10, v);
    var f = (n * base | 0) % base;
    return { v: v, f: f };
}

function getWT(v, f) {
    if (f === 0) {
        return {w: 0, t: 0};
    }

    while ((f % 10) === 0) {
        f /= 10;
        v--;
    }

    return {w: v, t: f};
}

var approximate_multiplier = 0.75;
var default_type = "default";
var time_in_seconds = {
    "second": 1,
    "minute": 60,
    "hour": 3600,
    "day": 86400,
    "week": 604800,
    "month": 2629743.83,
    "year": 31556926
};
function relativeDate (date, options) {

    date = date instanceof Date ? date : new Date(date);

    if (options && options.max && Math.abs((date - new Date()) / 1000) > options["max"]) {
        return formatDate(date);
    }

    return format((date - new Date()) / 1000, options, this.$locale.TIMESPAN_FORMATS, this.$locale.id);
}

function calculate_unit(seconds, unit_options) {
    var key, multiplier, obj, options;
    if (unit_options == null) {
        unit_options = {};
    }
    options = {};
    for (key in unit_options) {
        obj = unit_options[key];
        options[key] = obj;
    }
    if (options.approximate == null) {
        options["approximate"] = false;
    }
    multiplier = options.approximate ? approximate_multiplier : 1;
    if (seconds < time_in_seconds.minute * multiplier) {
        return "second";
    } else if (seconds < time_in_seconds.hour * multiplier) {
        return "minute";
    } else if (seconds < time_in_seconds.day * multiplier) {
        return "hour";
    } else if (seconds < time_in_seconds.week * multiplier) {
        return "day";
    } else if (seconds < time_in_seconds.month * multiplier) {
        return "week";
    } else if (seconds < time_in_seconds.year * multiplier) {
        return "month";
    } else {
        return "year";
    }
}

function calculate_time(seconds, unit) {
    return Math.round(seconds / time_in_seconds[unit]);
}

function format(seconds, fmt_options, patterns, locale) {
    var key, number, obj, options;
    if (fmt_options == null) {
        fmt_options = {};
    }
    options = {};
    for (key in fmt_options) {
        obj = fmt_options[key];
        options[key] = obj;
    }
    options["direction"] || (options["direction"] = seconds < 0 ? "ago" : "until");
    if (options["unit"] === null || options["unit"] === void 0) {
        options["unit"] = calculate_unit(Math.abs(seconds), options);
    }
    options["type"] || (options["type"] = default_type);
    options["number"] = calculate_time(Math.abs(seconds), options["unit"]);
    number = calculate_time(Math.abs(seconds), options["unit"]);
    options["rule"] = plural(locale, number);
    return patterns[options["direction"]][options["unit"]][options["type"]][options["rule"]].replace(/\{[0-9]\}/, number.toString());
}

var DATETIME_FORMATS = { "AMPMS": ["AM", "PM"], "DAY": ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], "ERANAMES": ["Before Christ", "Anno Domini"], "ERAS": ["BC", "AD"], "FIRSTDAYOFWEEK": 6, "MONTH": ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], "SHORTDAY": ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], "SHORTMONTH": ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"], "STANDALONEMONTH": ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], "WEEKENDRANGE": [5, 6], "fullDate": "EEEE, MMMM d, y", "longDate": "MMMM d, y", "medium": "MMM d, y h:mm:ss a", "mediumDate": "MMM d, y", "mediumTime": "h:mm:ss a", "short": "M/d/yy h:mm a", "shortDate": "M/d/yy", "shortTime": "h:mm a" };
var NUMBER_FORMATS = { "CURRENCY_SYM": "$", "DECIMAL_SEP": ".", "GROUP_SEP": ",", "PATTERNS": [{ "gSize": 3, "lgSize": 3, "maxFrac": 3, "minFrac": 0, "minInt": 1, "negPre": "-", "negSuf": "", "posPre": "", "posSuf": "" }, { "gSize": 3, "lgSize": 3, "maxFrac": 2, "minFrac": 2, "minInt": 1, "negPre": "-¤", "negSuf": "", "posPre": "¤", "posSuf": "" }] };
var id = "en";
var localeID = "en";
var TIMESPAN_FORMATS = { "ago": { "second": { "default": { "one": "{0} second ago", "other": "{0} seconds ago" } }, "minute": { "default": { "one": "{0} minute ago", "other": "{0} minutes ago" } }, "hour": { "default": { "one": "{0} hour ago", "other": "{0} hours ago" } }, "day": { "default": { "one": "{0} day ago", "other": "{0} days ago" } }, "week": { "default": { "one": "{0} week ago", "other": "{0} weeks ago" } }, "month": { "default": { "one": "{0} month ago", "other": "{0} months ago" } }, "year": { "default": { "one": "{0} year ago", "other": "{0} years ago" } } }, "until": { "second": { "default": { "one": "In {0} second", "other": "In {0} seconds" } }, "minute": { "default": { "one": "In {0} minute", "other": "In {0} minutes" } }, "hour": { "default": { "one": "In {0} hour", "other": "In {0} hours" } }, "day": { "default": { "one": "In {0} day", "other": "In {0} days" } }, "week": { "default": { "one": "In {0} week", "other": "In {0} weeks" } }, "month": { "default": { "one": "In {0} month", "other": "In {0} months" } }, "year": { "default": { "one": "In {0} year", "other": "In {0} years" } } }, "none": { "second": { "default": { "one": "{0} second", "other": "{0} seconds" }, "short": { "one": "{0} sec", "other": "{0} secs" }, "abbreviated": { "one": "{0}s", "other": "{0}s" } }, "minute": { "default": { "one": "{0} minute", "other": "{0} minutes" }, "short": { "one": "{0} min", "other": "{0} mins" }, "abbreviated": { "one": "{0}m", "other": "{0}m" } }, "hour": { "default": { "one": "{0} hour", "other": "{0} hours" }, "short": { "one": "{0} hr", "other": "{0} hrs" }, "abbreviated": { "one": "{0}h", "other": "{0}h" } }, "day": { "default": { "one": "{0} day", "other": "{0} days" }, "short": { "one": "{0} day", "other": "{0} days" }, "abbreviated": { "one": "{0}d", "other": "{0}d" } }, "week": { "default": { "one": "{0} week", "other": "{0} weeks" }, "short": { "one": "{0} wk", "other": "{0} wks" } }, "month": { "default": { "one": "{0} month", "other": "{0} months" }, "short": { "one": "{0} mth", "other": "{0} mths" } }, "year": { "default": { "one": "{0} year", "other": "{0} years" }, "short": { "one": "{0} yr", "other": "{0} yrs" } } } };
var defaultLocale = {
	DATETIME_FORMATS: DATETIME_FORMATS,
	NUMBER_FORMATS: NUMBER_FORMATS,
	id: id,
	localeID: localeID,
	TIMESPAN_FORMATS: TIMESPAN_FORMATS
};

function plugin(Vue) {

    var vue = Vue.prototype;

    if (!vue.$locale) {
        vue.$locale = defaultLocale;
    }

    Util(Vue);

    vue.$date = formatDate;
    vue.$number = formatNumber;
    vue.$currency = formatCurrency;
    vue.$relativeDate = relativeDate;

    Vue.filter('date', formatDate);
    Vue.filter('number', formatNumber);
    Vue.filter('currency', formatCurrency);
    Vue.filter('relativeDate', relativeDate);
}

if (typeof window !== 'undefined' && window.Vue) {
    window.Vue.use(plugin);
}

module.exports = plugin;