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// numeral.js
// version : 1.4.7
// author : Adam Draper
// license : MIT
// http://adamwdraper.github.com/Numeral-js/
(function () {
/************************************
Constants
************************************/
var numeral,
VERSION = '1.4.7',
// internal storage for language config files
languages = {},
currentLanguage = 'en',
zeroFormat = null,
// check for nodeJS
hasModule = (typeof module !== 'undefined' && module.exports);
/************************************
Constructors
************************************/
// Numeral prototype object
function Numeral (number) {
this._n = number;
}
/**
* Implementation of toFixed() that treats floats more like decimals
*
* Fixes binary rounding issues (eg. (0.615).toFixed(2) === '0.61') that present
* problems for accounting- and finance-related software.
*/
function toFixed (value, precision, optionals) {
var power = Math.pow(10, precision),
output;
// Multiply up by precision, round accurately, then divide and use native toFixed():
output = (Math.round(value * power) / power).toFixed(precision);
if (optionals) {
var optionalsRegExp = new RegExp('0{1,' + optionals + '}$');
output = output.replace(optionalsRegExp, '');
}
return output;
}
/************************************
Formatting
************************************/
// determine what type of formatting we need to do
function formatNumeral (n, format) {
var output;
// figure out what kind of format we are dealing with
if (format.indexOf('$') > -1) { // currency!!!!!
output = formatCurrency(n, format);
} else if (format.indexOf('%') > -1) { // percentage
output = formatPercentage(n, format);
} else if (format.indexOf(':') > -1) { // time
output = formatTime(n, format);
} else { // plain ol' numbers or bytes
output = formatNumber(n, format);
}
// return string
return output;
}
// revert to number
function unformatNumeral (n, string) {
if (string.indexOf(':') > -1) {
n._n = unformatTime(string);
} else {
if (string === zeroFormat) {
n._n = 0;
} else {
var stringOriginal = string;
if (languages[currentLanguage].delimiters.decimal !== '.') {
string = string.replace(/\./g,'').replace(languages[currentLanguage].delimiters.decimal, '.');
}
// see if abbreviations are there so that we can multiply to the correct number
var thousandRegExp = new RegExp(languages[currentLanguage].abbreviations.thousand + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$'),
millionRegExp = new RegExp(languages[currentLanguage].abbreviations.million + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$'),
billionRegExp = new RegExp(languages[currentLanguage].abbreviations.billion + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$'),
trillionRegExp = new RegExp(languages[currentLanguage].abbreviations.trillion + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$');
// see if bytes are there so that we can multiply to the correct number
var prefixes = ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
bytesMultiplier = false;
for (var power = 0; power <= prefixes.length; power++) {
bytesMultiplier = (string.indexOf(prefixes[power]) > -1) ? Math.pow(1024, power + 1) : false;
if (bytesMultiplier) {
break;
}
}
// do some math to create our number
n._n = ((bytesMultiplier) ? bytesMultiplier : 1) * ((stringOriginal.match(thousandRegExp)) ? Math.pow(10, 3) : 1) * ((stringOriginal.match(millionRegExp)) ? Math.pow(10, 6) : 1) * ((stringOriginal.match(billionRegExp)) ? Math.pow(10, 9) : 1) * ((stringOriginal.match(trillionRegExp)) ? Math.pow(10, 12) : 1) * ((string.indexOf('%') > -1) ? 0.01 : 1) * Number(((string.indexOf('(') > -1) ? '-' : '') + string.replace(/[^0-9\.-]+/g, ''));
// round if we are talking about bytes
n._n = (bytesMultiplier) ? Math.ceil(n._n) : n._n;
}
}
return n._n;
}
function formatCurrency (n, format) {
var prependSymbol = (format.indexOf('$') <= 1) ? true : false;
// remove $ for the moment
var space = '';
// check for space before or after currency
if (format.indexOf(' $') > -1) {
space = ' ';
format = format.replace(' $', '');
} else if (format.indexOf('$ ') > -1) {
space = ' ';
format = format.replace('$ ', '');
} else {
format = format.replace('$', '');
}
// format the number
var output = formatNumeral(n, format);
// position the symbol
if (prependSymbol) {
if (output.indexOf('(') > -1 || output.indexOf('-') > -1) {
output = output.split('');
output.splice(1, 0, languages[currentLanguage].currency.symbol + space);
output = output.join('');
} else {
output = languages[currentLanguage].currency.symbol + space + output;
}
} else {
if (output.indexOf(')') > -1) {
output = output.split('');
output.splice(-1, 0, space + languages[currentLanguage].currency.symbol);
output = output.join('');
} else {
output = output + space + languages[currentLanguage].currency.symbol;
}
}
return output;
}
function formatPercentage (n, format) {
var space = '';
// check for space before %
if (format.indexOf(' %') > -1) {
space = ' ';
format = format.replace(' %', '');
} else {
format = format.replace('%', '');
}
n._n = n._n * 100;
var output = formatNumeral(n, format);
if (output.indexOf(')') > -1 ) {
output = output.split('');
output.splice(-1, 0, space + '%');
output = output.join('');
} else {
output = output + space + '%';
}
return output;
}
function formatTime (n, format) {
var hours = Math.floor(n._n/60/60),
minutes = Math.floor((n._n - (hours * 60 * 60))/60),
seconds = Math.round(n._n - (hours * 60 * 60) - (minutes * 60));
return hours + ':' + ((minutes < 10) ? '0' + minutes : minutes) + ':' + ((seconds < 10) ? '0' + seconds : seconds);
}
function unformatTime (string) {
var timeArray = string.split(':'),
seconds = 0;
// turn hours and minutes into seconds and add them all up
if (timeArray.length === 3) {
// hours
seconds = seconds + (Number(timeArray[0]) * 60 * 60);
// minutes
seconds = seconds + (Number(timeArray[1]) * 60);
// seconds
seconds = seconds + Number(timeArray[2]);
} else if (timeArray.lenght === 2) {
// minutes
seconds = seconds + (Number(timeArray[0]) * 60);
// seconds
seconds = seconds + Number(timeArray[1]);
}
return Number(seconds);
}
function formatNumber (n, format) {
var negP = false,
optDec = false,
abbr = '',
bytes = '',
ord = '',
abs = Math.abs(n._n);
// check if number is zero and a custom zero format has been set
if (n._n === 0 && zeroFormat !== null) {
return zeroFormat;
} else {
// see if we should use parentheses for negative number
if (format.indexOf('(') > -1) {
negP = true;
format = format.slice(1, -1);
}
// see if abbreviation is wanted
if (format.indexOf('a') > -1) {
// check for space before abbreviation
if (format.indexOf(' a') > -1) {
abbr = ' ';
format = format.replace(' a', '');
} else {
format = format.replace('a', '');
}
if (abs >= Math.pow(10, 12)) {
// trillion
abbr = abbr + languages[currentLanguage].abbreviations.trillion;
n._n = n._n / Math.pow(10, 12);
} else if (abs < Math.pow(10, 12) && abs >= Math.pow(10, 9)) {
// billion
abbr = abbr + languages[currentLanguage].abbreviations.billion;
n._n = n._n / Math.pow(10, 9);
} else if (abs < Math.pow(10, 9) && abs >= Math.pow(10, 6)) {
// million
abbr = abbr + languages[currentLanguage].abbreviations.million;
n._n = n._n / Math.pow(10, 6);
} else if (abs < Math.pow(10, 6) && abs >= Math.pow(10, 3)) {
// thousand
abbr = abbr + languages[currentLanguage].abbreviations.thousand;
n._n = n._n / Math.pow(10, 3);
}
}
// see if we are formatting bytes
if (format.indexOf('b') > -1) {
// check for space before
if (format.indexOf(' b') > -1) {
bytes = ' ';
format = format.replace(' b', '');
} else {
format = format.replace('b', '');
}
var prefixes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
min,
max;
for (var power = 0; power <= prefixes.length; power++) {
min = Math.pow(1024, power);
max = Math.pow(1024, power+1);
if (n._n >= min && n._n < max) {
bytes = bytes + prefixes[power];
if (min > 0) {
n._n = n._n / min;
}
break;
}
}
}
// see if ordinal is wanted
if (format.indexOf('o') > -1) {
// check for space before
if (format.indexOf(' o') > -1) {
ord = ' ';
format = format.replace(' o', '');
} else {
format = format.replace('o', '');
}
ord = ord + languages[currentLanguage].ordinal(n._n);
}
if (format.indexOf('[.]') > -1) {
optDec = true;
format = format.replace('[.]', '.');
}
var w = n._n.toString().split('.')[0],
precision = format.split('.')[1],
thousands = format.indexOf(','),
d = '',
neg = false;
if (precision) {
if (precision.indexOf('[') > -1) {
precision = precision.replace(']', '');
precision = precision.split('[');
d = toFixed(n._n, (precision[0].length + precision[1].length), precision[1].length);
} else {
d = toFixed(n._n, precision.length);
}
w = d.split('.')[0];
if (d.split('.')[1].length) {
d = languages[currentLanguage].delimiters.decimal + d.split('.')[1];
} else {
d = '';
}
if (optDec && Number(d) === 0) {
d = '';
}
} else {
w = toFixed(n._n, null);
}
// format number
if (w.indexOf('-') > -1) {
w = w.slice(1);
neg = true;
}
if (thousands > -1) {
w = w.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, '$1' + languages[currentLanguage].delimiters.thousands);
}
if (format.indexOf('.') === 0) {
w = '';
}
return ((negP && neg) ? '(' : '') + ((!negP && neg) ? '-' : '') + w + d + ((ord) ? ord : '') + ((abbr) ? abbr : '') + ((bytes) ? bytes : '') + ((negP && neg) ? ')' : '');
}
}
/************************************
Top Level Functions
************************************/
numeral = function (input) {
if (numeral.isNumeral(input)) {
input = input.value();
} else if (!Number(input)) {
input = 0;
}
return new Numeral(Number(input));
};
// version number
numeral.version = VERSION;
// compare numeral object
numeral.isNumeral = function (obj) {
return obj instanceof Numeral;
};
// This function will load languages and then set the global language. If
// no arguments are passed in, it will simply return the current global
// language key.
numeral.language = function (key, values) {
if (!key) {
return currentLanguage;
}
if (key && !values) {
currentLanguage = key;
}
if (values || !languages[key]) {
loadLanguage(key, values);
}
return numeral;
};
numeral.language('en', {
delimiters: {
thousands: ',',
decimal: '.'
},
abbreviations: {
thousand: 'k',
million: 'm',
billion: 'b',
trillion: 't'
},
ordinal: function (number) {
var b = number % 10;
return (~~ (number % 100 / 10) === 1) ? 'th' :
(b === 1) ? 'st' :
(b === 2) ? 'nd' :
(b === 3) ? 'rd' : 'th';
},
currency: {
symbol: '$'
}
});
numeral.zeroFormat = function (format) {
if (typeof(format) === 'string') {
zeroFormat = format;
} else {
zeroFormat = null;
}
};
/************************************
Helpers
************************************/
function loadLanguage(key, values) {
languages[key] = values;
}
/************************************
Numeral Prototype
************************************/
numeral.fn = Numeral.prototype = {
clone : function () {
return numeral(this);
},
format : function (inputString) {
return formatNumeral(this, inputString ? inputString : numeral.defaultFormat);
},
unformat : function (inputString) {
return unformatNumeral(this, inputString ? inputString : numeral.defaultFormat);
},
value : function () {
return this._n;
},
valueOf : function () {
return this._n;
},
set : function (value) {
this._n = Number(value);
return this;
},
add : function (value) {
this._n = this._n + Number(value);
return this;
},
subtract : function (value) {
this._n = this._n - Number(value);
return this;
},
multiply : function (value) {
this._n = this._n * Number(value);
return this;
},
divide : function (value) {
this._n = this._n / Number(value);
return this;
},
difference : function (value) {
var difference = this._n - Number(value);
if (difference < 0) {
difference = -difference;
}
return difference;
}
};
/************************************
Exposing Numeral
************************************/
// CommonJS module is defined
if (hasModule) {
module.exports = numeral;
}
/*global ender:false */
if (typeof ender === 'undefined') {
// here, `this` means `window` in the browser, or `global` on the server
// add `numeral` as a global object via a string identifier,
// for Closure Compiler 'advanced' mode
this['numeral'] = numeral;
}
/*global define:false */
if (typeof define === 'function' && define.amd) {
define([], function () {
return numeral;
});
}
}).call(this);