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

React Form Component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.cloneByNamePathList = cloneByNamePathList;
exports.containsNamePath = containsNamePath;
exports.defaultGetValueFromEvent = defaultGetValueFromEvent;
exports.getNamePath = getNamePath;
Object.defineProperty(exports, "getValue", {
  enumerable: true,
  get: function () {
    return _util.get;
  }
});
exports.isSimilar = isSimilar;
exports.matchNamePath = matchNamePath;
exports.move = move;
Object.defineProperty(exports, "setValue", {
  enumerable: true,
  get: function () {
    return _util.set;
  }
});
var _util = require("@rc-component/util");
var _typeUtil = require("./typeUtil");
/**
 * 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]
 */
function getNamePath(path) {
  return (0, _typeUtil.toArray)(path);
}

/**
 * Create a new store object that contains only the values referenced by
 * the provided list of name paths.
 */
function cloneByNamePathList(store, namePathList) {
  let newStore = {};
  namePathList.forEach(namePath => {
    const value = (0, _util.get)(store, namePath);
    newStore = (0, _util.set)(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]`
 */
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]`
 */
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

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;
  });
}
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)
 */
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;
}