@rxflow/base/esm/utils/dimension.js

BaseFlow - 核心 Flow 组件库

/*
 * @author: yanxianliang
 * @date: 2025-05-17 22:24
 * @desc: dimension 计算 utils
 *
 * Copyright (c) 2025 by yanxianliang, All Rights Reserved.
 */

/**
 * 计算节点的宽度
 * @param node
 * @param nodeTypes
 * @param theme
 * @param nodeLookup
 */
export function getNodeWidth(node, nodeTypes, theme, nodeLookup) {
  // 优先级，lookup > node  measured 配置>size>calc
  if (nodeLookup && nodeLookup.has(node.id)) {
    var _lookup$measured;
    var lookup = nodeLookup.get(node.id);
    if (typeof (lookup === null || lookup === void 0 || (_lookup$measured = lookup.measured) === null || _lookup$measured === void 0 ? void 0 : _lookup$measured.width) === 'number') {
      var _lookup$measured2;
      return lookup === null || lookup === void 0 || (_lookup$measured2 = lookup.measured) === null || _lookup$measured2 === void 0 ? void 0 : _lookup$measured2.width; // 实际的高度
    }
  }
  var type = node.type,
    measured = node.measured,
    width = node.width;
  if (typeof (measured === null || measured === void 0 ? void 0 : measured.width) === 'number') {
    return measured.width;
  }
  if (typeof width === 'number') {
    return width;
  }
  if (!type || !(nodeTypes !== null && nodeTypes !== void 0 && nodeTypes[type]) || !(nodeTypes !== null && nodeTypes !== void 0 && nodeTypes[type].defaultSize)) {
    return 1;
  }
  var ctr = nodeTypes[type];
  var defaults = ctr.defaultSize;
  if (defaults.width) {
    if (typeof defaults.width === 'number') {
      return defaults.width;
    }
    return defaults.width(node, theme);
  } else {
    return 1;
  }
}

/**
 * 计算节点的高度
 * @param node
 * @param nodeTypes
 * @param theme
 * @param nodeLookup
 */
export function getNodeHeight(node, nodeTypes, theme, nodeLookup) {
  // 优先级，lookup > node  measured 配置>size>calc
  if (nodeLookup && nodeLookup.has(node.id)) {
    var _lookup$measured3;
    var lookup = nodeLookup.get(node.id);
    if (typeof (lookup === null || lookup === void 0 || (_lookup$measured3 = lookup.measured) === null || _lookup$measured3 === void 0 ? void 0 : _lookup$measured3.height) === 'number') {
      var _lookup$measured4;
      return lookup === null || lookup === void 0 || (_lookup$measured4 = lookup.measured) === null || _lookup$measured4 === void 0 ? void 0 : _lookup$measured4.height; // 实际的高度
    }
  }
  var type = node.type,
    measured = node.measured,
    height = node.height;
  if (typeof (measured === null || measured === void 0 ? void 0 : measured.height) === 'number') {
    return measured.height;
  }
  if (typeof height === 'number') {
    return height;
  }
  if (!type || !(nodeTypes !== null && nodeTypes !== void 0 && nodeTypes[type]) || !(nodeTypes !== null && nodeTypes !== void 0 && nodeTypes[type].defaultSize)) {
    return 1;
  }
  var ctr = nodeTypes[type];
  var defaults = ctr === null || ctr === void 0 ? void 0 : ctr.defaultSize;
  if (defaults.height) {
    if (typeof defaults.height === 'number') {
      return defaults.height;
    }
    return defaults.height(node, theme);
  } else {
    return 1;
  }
}