deep-array.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.finalize = finalize;
exports.flattenToSet = flattenToSet;

function finalize(deepArr) {
  return Object.freeze(deepArr);
}

function flattenToSet(arr) {
  const result = new Set();
  const stack = [arr];

  while (stack.length > 0) {
    for (const el of stack.pop()) {
      if (Array.isArray(el)) stack.push(el);else result.add(el);
    }
  }

  return result;
}

0 && 0;