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

BaseFlow - 核心 Flow 组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getNodeHeight = getNodeHeight;
exports.getNodeWidth = getNodeWidth;
/*
 * @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
 */
function getNodeWidth(node, nodeTypes, theme, nodeLookup) {
  // 优先级，lookup > node  measured 配置>size>calc
  if (nodeLookup && nodeLookup.has(node.id)) {
    const lookup = nodeLookup.get(node.id);
    if (typeof lookup?.measured?.width === 'number') {
      return lookup?.measured?.width; // 实际的高度
    }
  }
  const {
    type,
    measured,
    width
  } = node;
  if (typeof measured?.width === 'number') {
    return measured.width;
  }
  if (typeof width === 'number') {
    return width;
  }
  if (!type || !nodeTypes?.[type] || !nodeTypes?.[type].defaultSize) {
    return 1;
  }
  const ctr = nodeTypes[type];
  const 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
 */
function getNodeHeight(node, nodeTypes, theme, nodeLookup) {
  // 优先级，lookup > node  measured 配置>size>calc
  if (nodeLookup && nodeLookup.has(node.id)) {
    const lookup = nodeLookup.get(node.id);
    if (typeof lookup?.measured?.height === 'number') {
      return lookup?.measured?.height; // 实际的高度
    }
  }
  const {
    type,
    measured,
    height
  } = node;
  if (typeof measured?.height === 'number') {
    return measured.height;
  }
  if (typeof height === 'number') {
    return height;
  }
  if (!type || !nodeTypes?.[type] || !nodeTypes?.[type].defaultSize) {
    return 1;
  }
  const ctr = nodeTypes[type];
  const defaults = ctr?.defaultSize;
  if (defaults.height) {
    if (typeof defaults.height === 'number') {
      return defaults.height;
    }
    return defaults.height(node, theme);
  } else {
    return 1;
  }
}