suranadira-utils/src/arrays.js

Suranadira utilities

// Make a unique array (for useEffect)
export const encode = a => {
  if (typeof a !== "object") return a;
  a = a.join("-");
  return a;
};

// Unmake a unique array (for useEffect)
export const decode = s => {
  if (typeof s !== "string") return s;
  if (!s) return s;
  s = s.split("-");
  return s;
};

// Compare two arrays
export const compareArrays = (array, array2) => {
  if (!array) return false;
  if (array2.length !== array.length) return false;
  for (var i = 0, l = array2.length; i < l; i++) {
    if (array2[i] instanceof Array && array[i] instanceof Array) {
      if (!compareArrays(array2[i], array[i])) return false;
    } else if (array2[i] !== array[i]) {
      return false;
    }
  }
  return true;
};