| 1 | var isArray = require('./isArray')
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| 2 | var arrayEach = require('./arrayEach')
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| 3 |
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| 4 | function flattenDeep (array, deep) {
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| 5 | var result = []
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| 6 | arrayEach(array, function (vals) {
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| 7 | result = result.concat(isArray(vals) ? (deep ? flattenDeep(vals, deep) : vals) : [vals])
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| 8 | })
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| 9 | return result
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| 10 | }
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| 11 |
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| 12 | /**
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| 13 | * 将一个多维数组铺平
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| 14 | * @param {Array} array 数组
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| 15 | * @param {Boolean} deep 是否深层
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| 16 | * @return {Array}
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| 17 | */
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| 18 | function flatten (array, deep) {
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| 19 | if (isArray(array)) {
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| 20 | return flattenDeep(array, deep)
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| 21 | }
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| 22 | return []
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| 23 | }
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| 24 |
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| 25 | module.exports = flatten
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