mirror of
https://github.com/gnh1201/welsonjs.git
synced 2024-11-26 15:31:42 +00:00
84 lines
3.2 KiB
JavaScript
84 lines
3.2 KiB
JavaScript
/*
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* strings.js
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*/
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module.number_format = function(number, decimals, decPoint, thousandsSep) { // eslint-disable-line camelcase
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// discuss at: https://locutus.io/php/number_format/
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// original by: Jonas Raoni Soares Silva (https://www.jsfromhell.com)
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// improved by: Kevin van Zonneveld (https://kvz.io)
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// improved by: davook
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// improved by: Brett Zamir (https://brett-zamir.me)
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// improved by: Brett Zamir (https://brett-zamir.me)
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// improved by: Theriault (https://github.com/Theriault)
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// improved by: Kevin van Zonneveld (https://kvz.io)
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// bugfixed by: Michael White (https://getsprink.com)
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// bugfixed by: Benjamin Lupton
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// bugfixed by: Allan Jensen (https://www.winternet.no)
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// bugfixed by: Howard Yeend
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// bugfixed by: Diogo Resende
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// bugfixed by: Rival
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// bugfixed by: Brett Zamir (https://brett-zamir.me)
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// revised by: Jonas Raoni Soares Silva (https://www.jsfromhell.com)
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// revised by: Luke Smith (https://lucassmith.name)
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// input by: Kheang Hok Chin (https://www.distantia.ca/)
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// input by: Jay Klehr
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// input by: Amir Habibi (https://www.residence-mixte.com/)
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// input by: Amirouche
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// example 1: number_format(1234.56)
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// returns 1: '1,235'
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// example 2: number_format(1234.56, 2, ',', ' ')
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// returns 2: '1 234,56'
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// example 3: number_format(1234.5678, 2, '.', '')
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// returns 3: '1234.57'
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// example 4: number_format(67, 2, ',', '.')
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// returns 4: '67,00'
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// example 5: number_format(1000)
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// returns 5: '1,000'
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// example 6: number_format(67.311, 2)
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// returns 6: '67.31'
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// example 7: number_format(1000.55, 1)
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// returns 7: '1,000.6'
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// example 8: number_format(67000, 5, ',', '.')
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// returns 8: '67.000,00000'
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// example 9: number_format(0.9, 0)
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// returns 9: '1'
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// example 10: number_format('1.20', 2)
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// returns 10: '1.20'
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// example 11: number_format('1.20', 4)
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// returns 11: '1.2000'
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// example 12: number_format('1.2000', 3)
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// returns 12: '1.200'
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// example 13: number_format('1 000,50', 2, '.', ' ')
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// returns 13: '100 050.00'
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// example 14: number_format(1e-8, 8, '.', '')
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// returns 14: '0.00000001'
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number = (number + '').replace(/[^0-9+\-Ee.]/g, '')
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const n = !isFinite(+number) ? 0 : +number
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const prec = !isFinite(+decimals) ? 0 : Math.abs(decimals)
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const sep = (typeof thousandsSep === 'undefined') ? ',' : thousandsSep
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const dec = (typeof decPoint === 'undefined') ? '.' : decPoint
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let s = ''
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const toFixedFix = function (n, prec) {
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if (('' + n).indexOf('e') === -1) {
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return +(Math.round(n + 'e+' + prec) + 'e-' + prec)
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} else {
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const arr = ('' + n).split('e')
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let sig = ''
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if (+arr[1] + prec > 0) {
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sig = '+'
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}
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return (+(Math.round(+arr[0] + 'e' + sig + (+arr[1] + prec)) + 'e-' + prec)).toFixed(prec)
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}
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}
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// @todo: for IE parseFloat(0.55).toFixed(0) = 0;
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s = (prec ? toFixedFix(n, prec).toString() : '' + Math.round(n)).split('.')
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if (s[0].length > 3) {
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s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
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}
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if ((s[1] || '').length < prec) {
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s[1] = s[1] || ''
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s[1] += new Array(prec - s[1].length + 1).join('0')
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}
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return s.join(dec)
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}
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