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20 lines
369 B
JavaScript
20 lines
369 B
JavaScript
/**
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* Flatten an array into the supplied array.
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*
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* @module reduce-flatten
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* @example
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* const flatten = require('reduce-flatten')
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*/
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module.exports = flatten
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/**
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* @alias module:reduce-flatten
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* @example
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* > numbers = [ 1, 2, [ 3, 4 ], 5 ]
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* > numbers.reduce(flatten, [])
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* [ 1, 2, 3, 4, 5 ]
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*/
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function flatten (prev, curr) {
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return prev.concat(curr)
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}
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