avalon2
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an elegant efficient express mvvm framework
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<a href="../index.html">all files</a> / <a href="index.html">filters/</a> number.js
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import { avalon } from '../seed/core'
function toFixedFix(n, prec) {
var k = Math.pow(10, prec)
return '' + (Math.round(n * k) / k).toFixed(prec)
}
export function numberFilter(number, decimals, point, thousands) {
//https://github.com/txgruppi/number_format
//form http://phpjs.org/functions/number_format/
//number 必需，要格式化的数字
//decimals 可选，规定多少个小数位。
//point 可选，规定用作小数点的字符串（默认为 . ）。
//thousands 可选，规定用作千位分隔符的字符串（默认为 , ），如果设置了该参数，那么所有其他参数都是必需的。
number = (number + '')
.replace(/[^0-9+\-Ee.]/g, '')
var n = !isFinite(+number) ? <span class="branch-0 cbranch-no" title="branch not covered" >0 </span>: +number,
prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
sep = thousands || ",",
dec = point || ".",
s = ''
// Fix for IE parseFloat(0.55).toFixed(0) = 0;
s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
.split('.')
if (s[0].length > 3) {
s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
}
/** //好像没有用
var s1 = s[1] || ''
if (s1.length < prec) {
s1 += new Array(prec - s[1].length + 1).join('0')
s[1] = s1
}
**/
return s.join(dec)
}
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