dragon-mobile-ui/components/_DatePicker/isChildrenEqual.jsx

UI for react.js

export function isEmptyArray(a) {
  return !a || !a.length;
}

export default function isChildrenEqual(c1, c2, pure) {
  if (isEmptyArray(c1) && isEmptyArray(c2)) {
    return true;
  }
  if (pure) {
    return c1 === c2;
  }
  if (c1.length !== c2.length) {
    return false;
  }
  const len = c1.length;
  for (let i = 0; i < len; i += 1) {
    if (c1[i].value !== c2[i].value || c1[i].label !== c2[i].label) {
      return false;
    }
  }
  return true;
}