@rc-component/form/es/utils/valueUtil.js

React Form Component

import { get as getValue, set as setValue } from '@rc-component/util';
import { toArray } from "./typeUtil";
export { getValue, setValue };

/**
 * Convert name to internal supported format.
 * This function should keep since we still thinking if need support like `a.b.c` format.
 * 'a' => ['a']
 * 123 => [123]
 * ['a', 123] => ['a', 123]
 */
export function getNamePath(path) {
  return toArray(path);
}

/**
 * Create a new store object that contains only the values referenced by
 * the provided list of name paths.
 */
export function cloneByNamePathList(store, namePathList) {
  let newStore = {};
  namePathList.forEach(namePath => {
    const value = getValue(store, namePath);
    newStore = setValue(newStore, namePath, value);
  });
  return newStore;
}

/**
 * Check if `namePathList` includes `namePath`.
 * @param namePathList A list of `InternalNamePath[]`
 * @param namePath Compare `InternalNamePath`
 * @param partialMatch True will make `[a, b]` match `[a, b, c]`
 */
export function containsNamePath(namePathList, namePath, partialMatch = false) {
  return namePathList && namePathList.some(path => matchNamePath(namePath, path, partialMatch));
}

/**
 * Check if `namePath` is super set or equal of `subNamePath`.
 * @param namePath A list of `InternalNamePath[]`
 * @param subNamePath Compare `InternalNamePath`
 * @param partialMatch Default false. True will make `[a, b]` match `[a, b, c]`
 */
export function matchNamePath(namePath, subNamePath, partialMatch = false) {
  if (!namePath || !subNamePath) {
    return false;
  }
  if (!partialMatch && namePath.length !== subNamePath.length) {
    return false;
  }
  return subNamePath.every((nameUnit, i) => namePath[i] === nameUnit);
}

// Like `shallowEqual`, but we not check the data which may cause re-render

export function isSimilar(source, target) {
  if (source === target) {
    return true;
  }
  if (!source && target || source && !target) {
    return false;
  }
  if (!source || !target || typeof source !== 'object' || typeof target !== 'object') {
    return false;
  }
  const sourceKeys = Object.keys(source);
  const targetKeys = Object.keys(target);
  const keys = new Set([...sourceKeys, ...targetKeys]);
  return [...keys].every(key => {
    const sourceValue = source[key];
    const targetValue = target[key];
    if (typeof sourceValue === 'function' && typeof targetValue === 'function') {
      return true;
    }
    return sourceValue === targetValue;
  });
}
export function defaultGetValueFromEvent(valuePropName, ...args) {
  const event = args[0];
  if (event && event.target && typeof event.target === 'object' && valuePropName in event.target) {
    return event.target[valuePropName];
  }
  return event;
}

/**
 * Moves an array item from one position in an array to another.
 *
 * Note: This is a pure function so a new array will be returned, instead
 * of altering the array argument.
 *
 * @param array         Array in which to move an item.         (required)
 * @param moveIndex     The index of the item to move.          (required)
 * @param toIndex       The index to move item at moveIndex to. (required)
 */
export function move(array, moveIndex, toIndex) {
  const {
    length
  } = array;
  if (moveIndex < 0 || moveIndex >= length || toIndex < 0 || toIndex >= length) {
    return array;
  }
  const item = array[moveIndex];
  const diff = moveIndex - toIndex;
  if (diff > 0) {
    // move left
    return [...array.slice(0, toIndex), item, ...array.slice(toIndex, moveIndex), ...array.slice(moveIndex + 1, length)];
  }
  if (diff < 0) {
    // move right
    return [...array.slice(0, moveIndex), ...array.slice(moveIndex + 1, toIndex + 1), item, ...array.slice(toIndex + 1, length)];
  }
  return array;
}