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680 lines
23 KiB
JavaScript
680 lines
23 KiB
JavaScript
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/*!
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* numeral.js
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* version : 1.5.3
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* author : Adam Draper
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* license : MIT
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* http://adamwdraper.github.com/Numeral-js/
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*/
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(function () {
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/************************************
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Constants
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************************************/
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var numeral,
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VERSION = '1.5.3',
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// internal storage for language config files
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languages = {},
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currentLanguage = 'en',
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zeroFormat = null,
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defaultFormat = '0,0',
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// check for nodeJS
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hasModule = (typeof module !== 'undefined' && module.exports);
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/************************************
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Constructors
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************************************/
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// Numeral prototype object
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function Numeral (number) {
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this._value = number;
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}
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/**
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* Implementation of toFixed() that treats floats more like decimals
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*
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* Fixes binary rounding issues (eg. (0.615).toFixed(2) === '0.61') that present
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* problems for accounting- and finance-related software.
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*/
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function toFixed (value, precision, roundingFunction, optionals) {
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var power = Math.pow(10, precision),
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optionalsRegExp,
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output;
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//roundingFunction = (roundingFunction !== undefined ? roundingFunction : Math.round);
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// Multiply up by precision, round accurately, then divide and use native toFixed():
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output = (roundingFunction(value * power) / power).toFixed(precision);
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if (optionals) {
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optionalsRegExp = new RegExp('0{1,' + optionals + '}$');
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output = output.replace(optionalsRegExp, '');
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}
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return output;
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}
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/************************************
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Formatting
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************************************/
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// determine what type of formatting we need to do
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function formatNumeral (n, format, roundingFunction) {
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var output;
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// figure out what kind of format we are dealing with
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if (format.indexOf('$') > -1) { // currency!!!!!
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output = formatCurrency(n, format, roundingFunction);
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} else if (format.indexOf('%') > -1) { // percentage
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output = formatPercentage(n, format, roundingFunction);
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} else if (format.indexOf(':') > -1) { // time
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output = formatTime(n, format);
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} else { // plain ol' numbers or bytes
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output = formatNumber(n._value, format, roundingFunction);
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}
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// return string
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return output;
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}
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// revert to number
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function unformatNumeral (n, string) {
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var stringOriginal = string,
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thousandRegExp,
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millionRegExp,
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billionRegExp,
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trillionRegExp,
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suffixes = ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
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bytesMultiplier = false,
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power;
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if (string.indexOf(':') > -1) {
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n._value = unformatTime(string);
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} else {
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if (string === zeroFormat) {
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n._value = 0;
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} else {
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if (languages[currentLanguage].delimiters.decimal !== '.') {
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string = string.replace(/\./g,'').replace(languages[currentLanguage].delimiters.decimal, '.');
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}
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// see if abbreviations are there so that we can multiply to the correct number
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thousandRegExp = new RegExp('[^a-zA-Z]' + languages[currentLanguage].abbreviations.thousand + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$');
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millionRegExp = new RegExp('[^a-zA-Z]' + languages[currentLanguage].abbreviations.million + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$');
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billionRegExp = new RegExp('[^a-zA-Z]' + languages[currentLanguage].abbreviations.billion + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$');
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trillionRegExp = new RegExp('[^a-zA-Z]' + languages[currentLanguage].abbreviations.trillion + '(?:\\)|(\\' + languages[currentLanguage].currency.symbol + ')?(?:\\))?)?$');
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// see if bytes are there so that we can multiply to the correct number
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for (power = 0; power <= suffixes.length; power++) {
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bytesMultiplier = (string.indexOf(suffixes[power]) > -1) ? Math.pow(1024, power + 1) : false;
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if (bytesMultiplier) {
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break;
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}
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}
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// do some math to create our number
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n._value = ((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) * (((string.split('-').length + Math.min(string.split('(').length-1, string.split(')').length-1)) % 2)? 1: -1) * Number(string.replace(/[^0-9\.]+/g, ''));
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// round if we are talking about bytes
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n._value = (bytesMultiplier) ? Math.ceil(n._value) : n._value;
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}
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}
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return n._value;
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}
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function formatCurrency (n, format, roundingFunction) {
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var symbolIndex = format.indexOf('$'),
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openParenIndex = format.indexOf('('),
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minusSignIndex = format.indexOf('-'),
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space = '',
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spliceIndex,
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output;
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// check for space before or after currency
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if (format.indexOf(' $') > -1) {
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space = ' ';
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format = format.replace(' $', '');
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} else if (format.indexOf('$ ') > -1) {
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space = ' ';
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format = format.replace('$ ', '');
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} else {
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format = format.replace('$', '');
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}
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// format the number
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output = formatNumber(n._value, format, roundingFunction);
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// position the symbol
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if (symbolIndex <= 1) {
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if (output.indexOf('(') > -1 || output.indexOf('-') > -1) {
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output = output.split('');
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spliceIndex = 1;
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if (symbolIndex < openParenIndex || symbolIndex < minusSignIndex){
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// the symbol appears before the "(" or "-"
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spliceIndex = 0;
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}
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output.splice(spliceIndex, 0, languages[currentLanguage].currency.symbol + space);
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output = output.join('');
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} else {
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output = languages[currentLanguage].currency.symbol + space + output;
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}
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} else {
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if (output.indexOf(')') > -1) {
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output = output.split('');
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output.splice(-1, 0, space + languages[currentLanguage].currency.symbol);
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output = output.join('');
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} else {
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output = output + space + languages[currentLanguage].currency.symbol;
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}
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}
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return output;
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}
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function formatPercentage (n, format, roundingFunction) {
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var space = '',
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output,
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value = n._value * 100;
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// check for space before %
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if (format.indexOf(' %') > -1) {
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space = ' ';
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format = format.replace(' %', '');
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} else {
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format = format.replace('%', '');
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}
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output = formatNumber(value, format, roundingFunction);
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if (output.indexOf(')') > -1 ) {
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output = output.split('');
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output.splice(-1, 0, space + '%');
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output = output.join('');
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} else {
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output = output + space + '%';
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}
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return output;
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}
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function formatTime (n) {
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var hours = Math.floor(n._value/60/60),
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minutes = Math.floor((n._value - (hours * 60 * 60))/60),
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seconds = Math.round(n._value - (hours * 60 * 60) - (minutes * 60));
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return hours + ':' + ((minutes < 10) ? '0' + minutes : minutes) + ':' + ((seconds < 10) ? '0' + seconds : seconds);
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}
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function unformatTime (string) {
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var timeArray = string.split(':'),
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seconds = 0;
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// turn hours and minutes into seconds and add them all up
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if (timeArray.length === 3) {
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// hours
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seconds = seconds + (Number(timeArray[0]) * 60 * 60);
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// minutes
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seconds = seconds + (Number(timeArray[1]) * 60);
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// seconds
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seconds = seconds + Number(timeArray[2]);
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} else if (timeArray.length === 2) {
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// minutes
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seconds = seconds + (Number(timeArray[0]) * 60);
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// seconds
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seconds = seconds + Number(timeArray[1]);
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}
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return Number(seconds);
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}
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function formatNumber (value, format, roundingFunction) {
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var negP = false,
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signed = false,
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optDec = false,
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abbr = '',
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abbrK = false, // force abbreviation to thousands
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abbrM = false, // force abbreviation to millions
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abbrB = false, // force abbreviation to billions
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abbrT = false, // force abbreviation to trillions
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abbrForce = false, // force abbreviation
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bytes = '',
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ord = '',
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abs = Math.abs(value),
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suffixes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
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min,
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max,
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power,
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w,
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precision,
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thousands,
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d = '',
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neg = false;
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// check if number is zero and a custom zero format has been set
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if (value === 0 && zeroFormat !== null) {
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return zeroFormat;
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} else {
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// see if we should use parentheses for negative number or if we should prefix with a sign
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// if both are present we default to parentheses
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if (format.indexOf('(') > -1) {
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negP = true;
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format = format.slice(1, -1);
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} else if (format.indexOf('+') > -1) {
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signed = true;
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format = format.replace(/\+/g, '');
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}
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// see if abbreviation is wanted
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if (format.indexOf('a') > -1) {
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// check if abbreviation is specified
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abbrK = format.indexOf('aK') >= 0;
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abbrM = format.indexOf('aM') >= 0;
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abbrB = format.indexOf('aB') >= 0;
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abbrT = format.indexOf('aT') >= 0;
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abbrForce = abbrK || abbrM || abbrB || abbrT;
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// check for space before abbreviation
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if (format.indexOf(' a') > -1) {
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abbr = ' ';
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format = format.replace(' a', '');
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} else {
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format = format.replace('a', '');
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}
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if (abs >= Math.pow(10, 12) && !abbrForce || abbrT) {
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// trillion
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abbr = abbr + languages[currentLanguage].abbreviations.trillion;
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value = value / Math.pow(10, 12);
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} else if (abs < Math.pow(10, 12) && abs >= Math.pow(10, 9) && !abbrForce || abbrB) {
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// billion
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abbr = abbr + languages[currentLanguage].abbreviations.billion;
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value = value / Math.pow(10, 9);
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} else if (abs < Math.pow(10, 9) && abs >= Math.pow(10, 6) && !abbrForce || abbrM) {
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// million
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abbr = abbr + languages[currentLanguage].abbreviations.million;
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value = value / Math.pow(10, 6);
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} else if (abs < Math.pow(10, 6) && abs >= Math.pow(10, 3) && !abbrForce || abbrK) {
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// thousand
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abbr = abbr + languages[currentLanguage].abbreviations.thousand;
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value = value / Math.pow(10, 3);
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}
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}
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// see if we are formatting bytes
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if (format.indexOf('b') > -1) {
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// check for space before
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if (format.indexOf(' b') > -1) {
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bytes = ' ';
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format = format.replace(' b', '');
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} else {
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format = format.replace('b', '');
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}
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for (power = 0; power <= suffixes.length; power++) {
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min = Math.pow(1024, power);
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max = Math.pow(1024, power+1);
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if (value >= min && value < max) {
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bytes = bytes + suffixes[power];
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if (min > 0) {
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value = value / min;
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}
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break;
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}
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}
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}
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// see if ordinal is wanted
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if (format.indexOf('o') > -1) {
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// check for space before
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if (format.indexOf(' o') > -1) {
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ord = ' ';
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format = format.replace(' o', '');
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} else {
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format = format.replace('o', '');
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}
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ord = ord + languages[currentLanguage].ordinal(value);
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}
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if (format.indexOf('[.]') > -1) {
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optDec = true;
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format = format.replace('[.]', '.');
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}
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w = value.toString().split('.')[0];
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precision = format.split('.')[1];
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thousands = format.indexOf(',');
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if (precision) {
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if (precision.indexOf('[') > -1) {
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precision = precision.replace(']', '');
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precision = precision.split('[');
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d = toFixed(value, (precision[0].length + precision[1].length), roundingFunction, precision[1].length);
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} else {
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d = toFixed(value, precision.length, roundingFunction);
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}
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w = d.split('.')[0];
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if (d.split('.')[1].length) {
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d = languages[currentLanguage].delimiters.decimal + d.split('.')[1];
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} else {
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d = '';
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}
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if (optDec && Number(d.slice(1)) === 0) {
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d = '';
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}
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} else {
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w = toFixed(value, null, roundingFunction);
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}
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// format number
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if (w.indexOf('-') > -1) {
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w = w.slice(1);
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neg = true;
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}
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if (thousands > -1) {
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w = w.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, '$1' + languages[currentLanguage].delimiters.thousands);
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}
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if (format.indexOf('.') === 0) {
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w = '';
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}
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return ((negP && neg) ? '(' : '') + ((!negP && neg) ? '-' : '') + ((!neg && signed) ? '+' : '') + w + d + ((ord) ? ord : '') + ((abbr) ? abbr : '') + ((bytes) ? bytes : '') + ((negP && neg) ? ')' : '');
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}
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}
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/************************************
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Top Level Functions
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************************************/
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numeral = function (input) {
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if (numeral.isNumeral(input)) {
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input = input.value();
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} else if (input === 0 || typeof input === 'undefined') {
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input = 0;
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} else if (!Number(input)) {
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input = numeral.fn.unformat(input);
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}
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return new Numeral(Number(input));
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};
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// version number
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numeral.version = VERSION;
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// compare numeral object
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numeral.isNumeral = function (obj) {
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return obj instanceof Numeral;
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};
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// This function will load languages and then set the global language. If
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// no arguments are passed in, it will simply return the current global
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// language key.
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numeral.language = function (key, values) {
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if (!key) {
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return currentLanguage;
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}
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if (key && !values) {
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if(!languages[key]) {
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throw new Error('Unknown language : ' + key);
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}
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currentLanguage = key;
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}
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if (values || !languages[key]) {
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loadLanguage(key, values);
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}
|
||
|
|
||
|
return numeral;
|
||
|
};
|
||
|
|
||
|
// This function provides access to the loaded language data. If
|
||
|
// no arguments are passed in, it will simply return the current
|
||
|
// global language object.
|
||
|
numeral.languageData = function (key) {
|
||
|
if (!key) {
|
||
|
return languages[currentLanguage];
|
||
|
}
|
||
|
|
||
|
if (!languages[key]) {
|
||
|
throw new Error('Unknown language : ' + key);
|
||
|
}
|
||
|
|
||
|
return languages[key];
|
||
|
};
|
||
|
|
||
|
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) {
|
||
|
zeroFormat = typeof(format) === 'string' ? format : null;
|
||
|
};
|
||
|
|
||
|
numeral.defaultFormat = function (format) {
|
||
|
defaultFormat = typeof(format) === 'string' ? format : '0.0';
|
||
|
};
|
||
|
|
||
|
/************************************
|
||
|
Helpers
|
||
|
************************************/
|
||
|
|
||
|
function loadLanguage(key, values) {
|
||
|
languages[key] = values;
|
||
|
}
|
||
|
|
||
|
/************************************
|
||
|
Floating-point helpers
|
||
|
************************************/
|
||
|
|
||
|
// The floating-point helper functions and implementation
|
||
|
// borrows heavily from sinful.js: http://guipn.github.io/sinful.js/
|
||
|
|
||
|
/**
|
||
|
* Array.prototype.reduce for browsers that don't support it
|
||
|
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce#Compatibility
|
||
|
*/
|
||
|
if ('function' !== typeof Array.prototype.reduce) {
|
||
|
Array.prototype.reduce = function (callback, opt_initialValue) {
|
||
|
'use strict';
|
||
|
|
||
|
if (null === this || 'undefined' === typeof this) {
|
||
|
// At the moment all modern browsers, that support strict mode, have
|
||
|
// native implementation of Array.prototype.reduce. For instance, IE8
|
||
|
// does not support strict mode, so this check is actually useless.
|
||
|
throw new TypeError('Array.prototype.reduce called on null or undefined');
|
||
|
}
|
||
|
|
||
|
if ('function' !== typeof callback) {
|
||
|
throw new TypeError(callback + ' is not a function');
|
||
|
}
|
||
|
|
||
|
var index,
|
||
|
value,
|
||
|
length = this.length >>> 0,
|
||
|
isValueSet = false;
|
||
|
|
||
|
if (1 < arguments.length) {
|
||
|
value = opt_initialValue;
|
||
|
isValueSet = true;
|
||
|
}
|
||
|
|
||
|
for (index = 0; length > index; ++index) {
|
||
|
if (this.hasOwnProperty(index)) {
|
||
|
if (isValueSet) {
|
||
|
value = callback(value, this[index], index, this);
|
||
|
} else {
|
||
|
value = this[index];
|
||
|
isValueSet = true;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!isValueSet) {
|
||
|
throw new TypeError('Reduce of empty array with no initial value');
|
||
|
}
|
||
|
|
||
|
return value;
|
||
|
};
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Computes the multiplier necessary to make x >= 1,
|
||
|
* effectively eliminating miscalculations caused by
|
||
|
* finite precision.
|
||
|
*/
|
||
|
function multiplier(x) {
|
||
|
var parts = x.toString().split('.');
|
||
|
if (parts.length < 2) {
|
||
|
return 1;
|
||
|
}
|
||
|
return Math.pow(10, parts[1].length);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Given a variable number of arguments, returns the maximum
|
||
|
* multiplier that must be used to normalize an operation involving
|
||
|
* all of them.
|
||
|
*/
|
||
|
function correctionFactor() {
|
||
|
var args = Array.prototype.slice.call(arguments);
|
||
|
return args.reduce(function (prev, next) {
|
||
|
var mp = multiplier(prev),
|
||
|
mn = multiplier(next);
|
||
|
return mp > mn ? mp : mn;
|
||
|
}, -Infinity);
|
||
|
}
|
||
|
|
||
|
|
||
|
/************************************
|
||
|
Numeral Prototype
|
||
|
************************************/
|
||
|
|
||
|
|
||
|
numeral.fn = Numeral.prototype = {
|
||
|
|
||
|
clone : function () {
|
||
|
return numeral(this);
|
||
|
},
|
||
|
|
||
|
format : function (inputString, roundingFunction) {
|
||
|
return formatNumeral(this,
|
||
|
inputString ? inputString : defaultFormat,
|
||
|
(roundingFunction !== undefined) ? roundingFunction : Math.round
|
||
|
);
|
||
|
},
|
||
|
|
||
|
unformat : function (inputString) {
|
||
|
if (Object.prototype.toString.call(inputString) === '[object Number]') {
|
||
|
return inputString;
|
||
|
}
|
||
|
return unformatNumeral(this, inputString ? inputString : defaultFormat);
|
||
|
},
|
||
|
|
||
|
value : function () {
|
||
|
return this._value;
|
||
|
},
|
||
|
|
||
|
valueOf : function () {
|
||
|
return this._value;
|
||
|
},
|
||
|
|
||
|
set : function (value) {
|
||
|
this._value = Number(value);
|
||
|
return this;
|
||
|
},
|
||
|
|
||
|
add : function (value) {
|
||
|
var corrFactor = correctionFactor.call(null, this._value, value);
|
||
|
function cback(accum, curr, currI, O) {
|
||
|
return accum + corrFactor * curr;
|
||
|
}
|
||
|
this._value = [this._value, value].reduce(cback, 0) / corrFactor;
|
||
|
return this;
|
||
|
},
|
||
|
|
||
|
subtract : function (value) {
|
||
|
var corrFactor = correctionFactor.call(null, this._value, value);
|
||
|
function cback(accum, curr, currI, O) {
|
||
|
return accum - corrFactor * curr;
|
||
|
}
|
||
|
this._value = [value].reduce(cback, this._value * corrFactor) / corrFactor;
|
||
|
return this;
|
||
|
},
|
||
|
|
||
|
multiply : function (value) {
|
||
|
function cback(accum, curr, currI, O) {
|
||
|
var corrFactor = correctionFactor(accum, curr);
|
||
|
return (accum * corrFactor) * (curr * corrFactor) /
|
||
|
(corrFactor * corrFactor);
|
||
|
}
|
||
|
this._value = [this._value, value].reduce(cback, 1);
|
||
|
return this;
|
||
|
},
|
||
|
|
||
|
divide : function (value) {
|
||
|
function cback(accum, curr, currI, O) {
|
||
|
var corrFactor = correctionFactor(accum, curr);
|
||
|
return (accum * corrFactor) / (curr * corrFactor);
|
||
|
}
|
||
|
this._value = [this._value, value].reduce(cback);
|
||
|
return this;
|
||
|
},
|
||
|
|
||
|
difference : function (value) {
|
||
|
return Math.abs(numeral(this._value).subtract(value).value());
|
||
|
}
|
||
|
|
||
|
};
|
||
|
|
||
|
/************************************
|
||
|
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);
|