4 lines
191 B
JavaScript
4 lines
191 B
JavaScript
module.exports = flattenDepth = (arr, depth = 1) =>
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depth != 1
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? arr.reduce((a, v) => a.concat(Array.isArray(v) ? flattenDepth(v, depth - 1) : v), [])
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: arr.reduce((a, v) => a.concat(v), []); |