@nocobase/flow-engine/lib/resources/flowResource.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 flowResource_exports = {};
__export(flowResource_exports, {
  FlowResource: () => FlowResource,
  ResourceError: () => ResourceError
});
module.exports = __toCommonJS(flowResource_exports);
var import_reactive = require("@formily/reactive");
var import_flowContext = require("../flowContext");
function toErrMessages(error) {
  var _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, _k;
  if (typeof ((_a = error == null ? void 0 : error.response) == null ? void 0 : _a.data) === "string") {
    const tempElement = document.createElement("div");
    tempElement.innerHTML = (_b = error == null ? void 0 : error.response) == null ? void 0 : _b.data;
    let message = tempElement.textContent || tempElement.innerText;
    if (message.includes("Error occurred while trying")) {
      message = "The application may be starting up. Please try again later.";
      return [{ code: "APP_WARNING", message }];
    }
    if (message.includes("502 Bad Gateway")) {
      message = "The application may be starting up. Please try again later.";
      return [{ code: "APP_WARNING", message }];
    }
    return [{ message }];
  }
  if ((_d = (_c = error == null ? void 0 : error.response) == null ? void 0 : _c.data) == null ? void 0 : _d.error) {
    return [(_f = (_e = error == null ? void 0 : error.response) == null ? void 0 : _e.data) == null ? void 0 : _f.error];
  }
  return ((_h = (_g = error == null ? void 0 : error.response) == null ? void 0 : _g.data) == null ? void 0 : _h.errors) || ((_j = (_i = error == null ? void 0 : error.response) == null ? void 0 : _i.data) == null ? void 0 : _j.messages) || ((_k = error == null ? void 0 : error.response) == null ? void 0 : _k.error) || [{ message: error.message || "Server error" }];
}
__name(toErrMessages, "toErrMessages");
const _ResourceError = class _ResourceError extends Error {
  data;
  constructor(error) {
    const data = toErrMessages(error).shift();
    super(data.message);
    this.name = "ResponseError";
  }
  get code() {
    var _a;
    return ((_a = this.data) == null ? void 0 : _a.code) || "UNKNOWN_ERROR";
  }
  get message() {
    var _a;
    return ((_a = this.data) == null ? void 0 : _a.message) || "An unknown error occurred";
  }
};
__name(_ResourceError, "ResourceError");
let ResourceError = _ResourceError;
const _FlowResource = class _FlowResource {
  _data = import_reactive.observable.ref(null);
  _meta = import_reactive.observable.ref({});
  _error = import_reactive.observable.ref(null);
  context;
  constructor(context) {
    this.context = new import_flowContext.FlowContext();
    this.context.addDelegate(context);
  }
  getData() {
    return this._data.value;
  }
  hasData() {
    const data = this.getData();
    if (Array.isArray(data)) {
      return data.length > 0;
    } else if (data && typeof data === "object") {
      return Object.keys(data).length > 0;
    }
    return false;
  }
  setData(value) {
    this._data.value = value;
    return this;
  }
  getMeta(metaKey) {
    return metaKey ? this._meta.value[metaKey] : this._meta.value;
  }
  setMeta(meta) {
    this._meta.value = { ...this._meta.value, ...meta };
    return this;
  }
  get error() {
    return this._error.value;
  }
  getError() {
    return this._error.value;
  }
  setError(error) {
    this._error.value = error;
    return this;
  }
  clearError() {
    this._error.value = null;
    return this;
  }
  events = {};
  on(event, callback) {
    (this.events[event] ||= []).push(callback);
  }
  once(event, callback) {
    const wrapper = /* @__PURE__ */ __name((...args) => {
      callback(...args);
      this.off(event, wrapper);
    }, "wrapper");
    this.on(event, wrapper);
  }
  off(event, callback) {
    this.events[event] = (this.events[event] || []).filter((fn) => fn !== callback);
  }
  emit(event, ...args) {
    (this.events[event] || []).forEach((fn) => fn(...args));
  }
};
__name(_FlowResource, "FlowResource");
let FlowResource = _FlowResource;
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  FlowResource,
  ResourceError
});