@nocobase/flow-engine/lib/components/variables/utils.js

A standalone flow engine for NocoBase, managing workflows, models, and actions.

/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var utils_exports = {};
__export(utils_exports, {
  buildContextSelectorItems: () => buildContextSelectorItems,
  createDefaultConverters: () => createDefaultConverters,
  createFinalConverters: () => createFinalConverters,
  formatPathToValue: () => formatPathToValue,
  isVariableValue: () => isVariableValue,
  loadMetaTreeChildren: () => loadMetaTreeChildren,
  parseValueToPath: () => parseValueToPath,
  preloadContextSelectorPath: () => preloadContextSelectorPath,
  searchInLoadedNodes: () => searchInLoadedNodes
});
module.exports = __toCommonJS(utils_exports);
var import_utils = require("../../utils");
const parseValueToPath = /* @__PURE__ */ __name((value) => {
  if (typeof value !== "string") return void 0;
  const trimmed = value.trim();
  const variableRegex = /^\{\{\s*ctx(?:\.(.+?))?\s*\}\}$/;
  const match = trimmed.match(variableRegex);
  if (!match) return void 0;
  const pathString = match[1];
  if (!pathString) return [];
  return pathString.split(".");
}, "parseValueToPath");
const formatPathToValue = /* @__PURE__ */ __name((item) => {
  const path = (item == null ? void 0 : item.paths) || [];
  if (path.length === 0) return "{{ ctx }}";
  return `{{ ctx.${path.join(".")} }}`;
}, "formatPathToValue");
const loadMetaTreeChildren = /* @__PURE__ */ __name(async (metaNode) => {
  if (!(metaNode == null ? void 0 : metaNode.children)) return [];
  if (typeof metaNode.children === "function") {
    try {
      return await metaNode.children();
    } catch (error) {
      console.warn(`Failed to load children for ${metaNode.name}:`, error);
      return [];
    }
  }
  return metaNode.children;
}, "loadMetaTreeChildren");
const searchInLoadedNodes = /* @__PURE__ */ __name((options, searchText, parentPaths = []) => {
  if (!searchText || !searchText.trim()) return [];
  const lowerSearchText = searchText.toLowerCase().trim();
  const results = [];
  const searchRecursive = /* @__PURE__ */ __name((nodes, currentPath = []) => {
    var _a;
    for (const node of nodes) {
      const nodePath = [...currentPath, node.value];
      const labelText = typeof node.label === "string" ? node.label : typeof ((_a = node.meta) == null ? void 0 : _a.title) === "string" ? node.meta.title : String(node.value);
      if (labelText.toLowerCase().includes(lowerSearchText)) {
        results.push(node);
      }
      if (node.children && Array.isArray(node.children)) {
        searchRecursive(node.children, nodePath);
      }
    }
  }, "searchRecursive");
  searchRecursive(options, []);
  return results;
}, "searchInLoadedNodes");
const buildContextSelectorItems = /* @__PURE__ */ __name((metaTree) => {
  if (!metaTree || !Array.isArray(metaTree)) {
    console.warn("buildContextSelectorItems received invalid metaTree:", metaTree);
    return [];
  }
  const convertNode = /* @__PURE__ */ __name((node) => {
    const hasChildren = !!(node.children && (typeof node.children === "function" || Array.isArray(node.children) && node.children.length > 0));
    const disabled = !!(typeof node.disabled === "function" ? node.disabled() : node.disabled);
    const option = {
      label: node.title || node.name,
      value: node.name,
      isLeaf: !hasChildren,
      meta: node,
      paths: node.paths,
      disabled
    };
    if (Array.isArray(node.children) && node.children.length > 0) {
      option.children = node.children.map((child) => convertNode(child));
    }
    return option;
  }, "convertNode");
  return metaTree.map((node) => convertNode(node));
}, "buildContextSelectorItems");
const preloadContextSelectorPath = /* @__PURE__ */ __name(async (options, pathSegments, triggerUpdate) => {
  if (!options || !Array.isArray(options) || !pathSegments || pathSegments.length === 0) return;
  let list = options;
  for (let i = 0; i < pathSegments.length && list; i++) {
    const seg = String(pathSegments[i]);
    const opt = list.find((o) => String(o.value) === seg);
    if (!opt) break;
    const meta = opt.meta;
    const hasLoaded = !!opt.children && Array.isArray(opt.children);
    if (i < pathSegments.length - 1 && !hasLoaded && meta && typeof meta.children === "function") {
      opt.loading = true;
      try {
        const childNodes = await loadMetaTreeChildren(meta);
        meta.children = childNodes;
        const childOptions = buildContextSelectorItems(childNodes);
        opt.children = childOptions;
        opt.isLeaf = !childOptions || childOptions.length === 0;
        Promise.resolve().then(() => triggerUpdate == null ? void 0 : triggerUpdate()).catch(() => {
        });
      } finally {
        opt.loading = false;
      }
    }
    list = Array.isArray(opt.children) ? opt.children : void 0;
  }
}, "preloadContextSelectorPath");
const isVariableValue = /* @__PURE__ */ __name((value) => {
  return (0, import_utils.isVariableExpression)(value);
}, "isVariableValue");
const createDefaultConverters = /* @__PURE__ */ __name(() => {
  return {
    resolvePathFromValue: /* @__PURE__ */ __name((value) => {
      return parseValueToPath(value);
    }, "resolvePathFromValue"),
    resolveValueFromPath: /* @__PURE__ */ __name((item) => {
      return formatPathToValue(item);
    }, "resolveValueFromPath")
  };
}, "createDefaultConverters");
const createFinalConverters = /* @__PURE__ */ __name((propConverters) => {
  const defaultConverters = createDefaultConverters();
  const mergedConverters = propConverters ? { ...defaultConverters, ...propConverters } : defaultConverters;
  if (propConverters == null ? void 0 : propConverters.resolveValueFromPath) {
    const customResolveValueFromPath = propConverters.resolveValueFromPath;
    return {
      ...mergedConverters,
      resolveValueFromPath: /* @__PURE__ */ __name((item) => {
        const ret = customResolveValueFromPath(item);
        return ret === void 0 ? formatPathToValue(item) : ret;
      }, "resolveValueFromPath")
    };
  }
  return mergedConverters;
}, "createFinalConverters");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  buildContextSelectorItems,
  createDefaultConverters,
  createFinalConverters,
  formatPathToValue,
  isVariableValue,
  loadMetaTreeChildren,
  parseValueToPath,
  preloadContextSelectorPath,
  searchInLoadedNodes
});