@wordpress/blocks/build-module/store/utils.js

Block API for WordPress.

/**
 * Helper util to return a value from a certain path of the object.
 * Path is specified as either:
 * - a string of properties, separated by dots, for example: "x.y".
 * - an array of properties, for example `[ 'x', 'y' ]`.
 * You can also specify a default value in case the result is nullish.
 *
 * @param {Object}       object       Input object.
 * @param {string|Array} path         Path to the object property.
 * @param {*}            defaultValue Default value if the value at the specified path is nullish.
 * @return {*} Value of the object property at the specified path.
 */
export const getValueFromObjectPath = (object, path, defaultValue) => {
  var _value;
  const normalizedPath = Array.isArray(path) ? path : path.split('.');
  let value = object;
  normalizedPath.forEach(fieldName => {
    value = value?.[fieldName];
  });
  return (_value = value) !== null && _value !== void 0 ? _value : defaultValue;
};
function isObject(candidate) {
  return typeof candidate === 'object' && candidate.constructor === Object && candidate !== null;
}

/**
 * Determine whether a set of object properties matches a given object.
 *
 * Given an object of block attributes and an object of variation attributes,
 * this function checks recursively whether all the variation attributes are
 * present in the block attributes object.
 *
 * @param {Object} blockAttributes     The object to inspect.
 * @param {Object} variationAttributes The object of property values to match.
 * @return {boolean} Whether the block attributes match the variation attributes.
 */
export function matchesAttributes(blockAttributes, variationAttributes) {
  if (isObject(blockAttributes) && isObject(variationAttributes)) {
    return Object.entries(variationAttributes).every(([key, value]) => matchesAttributes(blockAttributes?.[key], value));
  }
  return blockAttributes === variationAttributes;
}
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