1 | var round = require('./round')
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2 | var toValueString = require('./toValueString')
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3 |
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4 | var helperStringRepeat = require('./helperStringRepeat')
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5 | var helperNumberOffsetPoint = require('./helperNumberOffsetPoint')
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6 |
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7 |
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8 |
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9 |
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10 |
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11 |
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12 |
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13 |
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14 | function toFixed (num, digits) {
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15 | digits = digits >> 0
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16 | var str = toValueString(round(num, digits))
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17 | var nums = str.split('.')
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18 | var intStr = nums[0]
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19 | var floatStr = nums[1] || ''
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20 | var digitOffsetIndex = digits - floatStr.length
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21 | if (digits) {
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22 | if (digitOffsetIndex > 0) {
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23 | return intStr + '.' + floatStr + helperStringRepeat('0', digitOffsetIndex)
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24 | }
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25 | return intStr + helperNumberOffsetPoint(floatStr, Math.abs(digitOffsetIndex))
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26 | }
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27 | return intStr
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28 | }
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29 |
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30 | module.exports = toFixed
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