@wordpress/block-editor/build/utils/object.js

Generic block editor.

"use strict";

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

/**
 * Converts a path to an array of its fragments.
 * Supports strings, numbers and arrays:
 *
 * 'foo' => [ 'foo' ]
 * 2 => [ '2' ]
 * [ 'foo', 'bar' ] => [ 'foo', 'bar' ]
 *
 * @param {string|number|Array} path Path
 * @return {Array} Normalized path.
 */
function normalizePath(path) {
  if (Array.isArray(path)) {
    return path;
  } else if (typeof path === 'number') {
    return [path.toString()];
  }

  return [path];
}
/**
 * Clones an object.
 * Non-object values are returned unchanged.
 *
 * @param {*} object Object to clone.
 * @return {*} Cloned object, or original literal non-object value.
 */


function cloneObject(object) {
  if (object && typeof object === 'object') {
    return { ...Object.fromEntries(Object.entries(object).map(([key, value]) => [key, cloneObject(value)]))
    };
  }

  return object;
}
/**
 * Immutably sets a value inside an object. Like `lodash#set`, but returning a
 * new object. Treats nullish initial values as empty objects. Clones any
 * nested objects.
 *
 * @param {Object}              object Object to set a value in.
 * @param {number|string|Array} path   Path in the object to modify.
 * @param {*}                   value  New value to set.
 * @return {Object} Cloned object with the new value set.
 */


function setImmutably(object, path, value) {
  const normalizedPath = normalizePath(path);
  const newObject = object ? cloneObject(object) : {};
  normalizedPath.reduce((acc, key, i) => {
    if (acc[key] === undefined) {
      acc[key] = {};
    }

    if (i === normalizedPath.length - 1) {
      acc[key] = value;
    }

    return acc[key];
  }, newObject);
  return newObject;
}
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