@fleupold/dex-contracts
Version:
Contracts for dFusion multi-token batch auction exchange
25 lines (24 loc) • 1.01 kB
JavaScript
/**
* A shim for the `flat()` method that creates a new array with all sub-array
* elements concatenated into it recursively up to the specified depth
* @param arr - The array.
* @param depth - The depth level specifying how deep a nested array
* struction should be flattened. Defaults to 1.
* @returns A new array with the sub-array elements concatenated to it.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function flat(arr, depth = 1) {
// implementation taken from
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat#Alternative
return depth > 0
? arr.reduce((acc, val) => acc.concat(Array.isArray(val) ? flat(val, depth - 1) : val), [])
: arr.slice();
}
/**
* Deduplicates an array's element. Note that order is not preserved.
* @param arr - The array.
* @returns A new array containing only unique elements.
*/
export function dedupe(arr) {
return Array.from(new Set(arr));
}