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233 lines (209 loc) · 6.98 KB
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(function (moduleFactory) {
if(typeof exports === "object") {
module.exports = moduleFactory(require("lodash"), require("numeral"), require("wolsey"));
} else if (typeof define === "function" && define.amd) {
define(["lodash", "numeral", "wolsey"], moduleFactory);
}
}(function (_, numeral, Wolsey) {/**
* @module handlebars%numeral
* @description Helpers providing functionality of [Numeral.js](http://numeraljs.com) and [Wolsey](http://wolsey.solidgoldpig.com)
*
* var Handlebars = require("handlebars");
* var NumeralHelper = require("handlebars.numeral");
* NumeralHelper.registerHelpers(Handlebars);
*
* @returns {object} NumeralHelper instance
*/
var cardinal = new Wolsey();
var NumeralHelpers = function (Handlebars) {
/* numeral.js language configuration
* language : english united kingdom (uk)
* author : Dan Ristic : https://github.com/dristic
*/
var enLanguage = {
delimiters: {
thousands: ",",
decimal: "."
},
abbreviations: {
thousand: "k",
million: "m"
},
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.language("en", enLanguage);
var defaults = {};
var lang = "en";
defaults.en = {
zero: "n/a",
number: "0,000[.]00",
currency: "$0,000.00",
byte: "0,000b"
};
function numeralHelper () {
var args = Array.prototype.slice.call(arguments),
options = args.pop(),
helperType = args.shift(),
number = args.shift(),
format = args.shift(),
formatParams = args.shift(),
formatParams1 = args.shift(),
formatParams2 = args.shift();
if (options.hash && options.hash.params) {
options.hash = _.extend({}, options.hash.params, options.hash);
delete options.hash.params;
}
var params = options.hash;
if (!number) {
number = params.number;
}
number = +number;
if (isNaN(number)) {
number = 0;
}
var defaultFormat = defaults[lang][helperType];
if (format === undefined) {
format = params.format;
if (format === undefined) {
format = defaultFormat;
}
}
var numeralObj = numeral(number);
return numeralObj.format(format);
}
/**
* @template number
* @block helper
* @param {number} 0 Number
* @param {string} [1] Format
* @param {string} [format] Alternative way to pass format
*
* @description Formats a number
*
* {{number n}}
*
* Using an explicit format
*
* {{number n f}}
* {{number n format=f}}
*/
Handlebars.registerHelper("number", function () {
[].unshift.call(arguments, "number");
return numeralHelper.apply(this, arguments);
});
/**
* @template currency
* @block helper
* @param {number} 0 Number
* @description Formats a number as currency
*
* {{currency n}}
*/
Handlebars.registerHelper("currency", function () {
[].unshift.call(arguments, "currency");
return numeralHelper.apply(this, arguments);
});
/**
* @template byte
* @block helper
* @param {number} 0 Number
* @description Formats a number as human-readable computer size
*
* {{byte n}}
*/
Handlebars.registerHelper("byte", function () {
[].unshift.call(arguments, "byte");
return numeralHelper.apply(this, arguments);
});
/**
* @template numeral
* @block helper
* @param {number} 0 Number
* @description Outputs a number as a word
*
* {{numeral n}}
*/
Handlebars.registerHelper("numeral", function () {
var args = Array.prototype.slice.call(arguments);
var options;
if (typeof args[args.length-1] === "object") {
options = args.pop();
}
var number = args.shift();
if (options.hash && options.hash.params) {
options.hash = _.extend({}, options.hash.params, options.hash);
delete options.hash.params;
}
var params = options.hash;
return cardinal.numeral(number, params);
});
/**
* @template ordinal
* @block helper
* @param {number} 0 Number
* @param {boolean} [1] Output as number
* @param {boolean} [number=false] Output as number
*
* @description Outputs a number as an ordinal
*
* {{ordinal n}}
*
* As a number
*
* {{ordinal n true}}
* {{ordinal n number=true}}
*
*/
Handlebars.registerHelper("ordinal", function () {
var args = Array.prototype.slice.call(arguments);
var options;
if (typeof args[args.length-1] === "object") {
options = args.pop();
}
var number = args.shift();
var asNumber = args.shift();
if (options.hash && options.hash.params) {
options.hash = _.extend({}, options.hash.params, options.hash);
delete options.hash.params;
}
var params = options.hash;
if (!number) {
number = params.number;
}
if (asNumber === undefined) {
if (params.number !== undefined) {
asNumber = params.number;
} else {
asNumber = params.asnumber;
}
}
number = +number;
var method = asNumber ? "ordinalAsNumber" : "ordinal";
return cardinal[method](number, params);
});
};
var external = {
/**
* @method registerHelpers
* @static
* @param {object} hbars Handlebars instance
* @description Register NumeralHelper helpers with Handlebars
*
* - {@link template:moment}
* - {@link template:duration}
*/
registerHelpers: function (hbars) {
NumeralHelpers(hbars);
}
};
return external;
}));