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RienNeVaPlus/array2dFilterDuplicates.ts

Last active June 11, 2021 23:46
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Filter duplicates from two dimensional array
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array2dFilterDuplicates.ts
function array2dUnique(arr: any[], index: number = 0){
return arr.filter((a, i1, $) => !$.find((b, i2) => i1 > i2 && a[index] === b[index]))
}
console.log(
array2dUnique([
[1],
[2],
[1]
])
) // [ [1], [2] ]
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