| 1 | var pluck = require('./pluck')
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| 2 |
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| 3 | var max = require('./max')
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| 4 |
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| 5 | /**
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| 6 | * 与 zip 相反
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| 7 | *
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| 8 | * @param {Array} arrays 数组集合
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| 9 | */
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| 10 | function unzip (arrays) {
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| 11 | var index, maxItem, len
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| 12 | var result = []
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| 13 | if (arrays && arrays.length) {
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| 14 | index = 0
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| 15 | maxItem = max(arrays, function (item) {
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| 16 | return item ? item.length : 0
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| 17 | })
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| 18 | for (len = maxItem ? maxItem.length : 0; index < len; index++) {
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| 19 | result.push(pluck(arrays, index))
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| 20 | }
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| 21 | }
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| 22 | return result
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| 23 | }
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| 24 |
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| 25 | module.exports = unzip
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