@wordpress/block-library/build-module/navigation/edit/are-blocks-dirty.js

Block library for the WordPress editor.

export function areBlocksDirty(originalBlocks, blocks) {
  return !isDeepEqual(originalBlocks, blocks, (prop, x) => {
    // Skip inner blocks of page list during comparison as they
    // are **always** controlled and may be updated async due to
    // syncing with entity records. Left unchecked this would
    // inadvertently trigger the dirty state.
    if (x?.name === 'core/page-list' && prop === 'innerBlocks') {
      return true;
    }
  });
}

/**
 * Conditionally compares two candidates for deep equality.
 * Provides an option to skip a given property of an object during comparison.
 *
 * @param {*}                  x          1st candidate for comparison
 * @param {*}                  y          2nd candidate for comparison
 * @param {Function|undefined} shouldSkip a function which can be used to skip a given property of an object.
 * @return {boolean}                      whether the two candidates are deeply equal.
 */
const isDeepEqual = (x, y, shouldSkip) => {
  if (x === y) {
    return true;
  } else if (typeof x === 'object' && x !== null && x !== undefined && typeof y === 'object' && y !== null && y !== undefined) {
    if (Object.keys(x).length !== Object.keys(y).length) {
      return false;
    }
    for (const prop in x) {
      if (y.hasOwnProperty(prop)) {
        // Afford skipping a given property of an object.
        if (shouldSkip && shouldSkip(prop, x)) {
          return true;
        }
        if (!isDeepEqual(x[prop], y[prop], shouldSkip)) {
          return false;
        }
      } else {
        return false;
      }
    }
    return true;
  }
  return false;
};
//# sourceMappingURL=are-blocks-dirty.js.map