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16 lines
382 B
TypeScript
16 lines
382 B
TypeScript
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/**
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* Removes duplicated values within an array.
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* Supports numbers, strings and objects.
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*/
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export default function removeDuplicates<T>(array: T[], by = JSON.stringify): T[] {
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const seen: Record<any, any> = {}
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return array.filter(item => {
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const key = by(item)
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return Object.prototype.hasOwnProperty.call(seen, key)
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? false
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: (seen[key] = true)
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})
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}
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