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@@ -0,0 +1,23 @@
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+const digitsRE = /(\d{3})(?=\d)/g
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+
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+export function currency (value, currency, decimals) {
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+ value = parseFloat(value)
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+ if (!isFinite(value) || (!value && value !== 0)) return ''
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+ currency = currency != null ? currency : '$'
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+ decimals = decimals != null ? decimals : 2
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+ var stringified = Math.abs(value).toFixed(decimals)
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+ var _int = decimals
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+ ? stringified.slice(0, -1 - decimals)
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+ : stringified
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+ var i = _int.length % 3
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+ var head = i > 0
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+ ? (_int.slice(0, i) + (_int.length > 3 ? ',' : ''))
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+ : ''
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+ var _float = decimals
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+ ? stringified.slice(-1 - decimals)
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+ : ''
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+ var sign = value < 0 ? '-' : ''
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+ return sign + currency + head +
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+ _int.slice(i).replace(digitsRE, '$1,') +
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+ _float
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+}
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