@nocobase/flow-engine/lib/provider.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 __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
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 __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var provider_exports = {};
__export(provider_exports, {
  FlowEngineGlobalsContextProvider: () => FlowEngineGlobalsContextProvider,
  FlowEngineProvider: () => FlowEngineProvider,
  useFlowEngine: () => useFlowEngine,
  useFlowEngineContext: () => useFlowEngineContext
});
module.exports = __toCommonJS(provider_exports);
var import_antd = require("antd");
var import_react = __toESM(require("react"));
var import_FlowContextProvider = require("./FlowContextProvider");
var import_views = require("./views");
var import_FlowView = require("./views/FlowView");
const FlowEngineReactContext = (0, import_react.createContext)(null);
const FlowEngineProvider = /* @__PURE__ */ __name((props) => {
  const { engine, children } = props;
  if (!engine) {
    throw new Error("FlowEngineProvider must be supplied with an engine.");
  }
  return /* @__PURE__ */ import_react.default.createElement(FlowEngineReactContext.Provider, { value: engine }, /* @__PURE__ */ import_react.default.createElement(import_FlowContextProvider.FlowContextProvider, { context: engine.context }, children));
}, "FlowEngineProvider");
const FlowEngineGlobalsContextProvider = /* @__PURE__ */ __name(({ children }) => {
  const { modal, message, notification } = import_antd.App.useApp();
  const [drawer, contextHolder] = (0, import_views.useDrawer)();
  const [embed, pageContextHolder] = (0, import_views.usePage)();
  const [popover, popoverContextHolder] = (0, import_views.usePopover)();
  const [dialog, dialogContextHolder] = (0, import_views.useDialog)();
  const engine = useFlowEngine();
  const config = (0, import_react.useContext)(import_antd.ConfigProvider.ConfigContext);
  const { token } = import_antd.theme.useToken();
  (0, import_react.useEffect)(() => {
    const context = {
      antdConfig: config,
      // themeToken 改为可观察的 getter，在下方单独 define
      modal,
      message,
      notification
    };
    engine.context.defineProperty("viewer", {
      cache: false,
      get: /* @__PURE__ */ __name((ctx) => new import_FlowView.FlowViewer(ctx, { drawer, embed, popover, dialog }), "get")
    });
    engine.context.defineProperty("themeToken", {
      get: /* @__PURE__ */ __name(() => token, "get"),
      observable: true,
      cache: true
    });
    for (const item of Object.entries(context)) {
      const [key, value] = item;
      if (value) {
        engine.context.defineProperty(key, { value });
      }
    }
    engine.reactView.refresh();
  }, [engine, drawer, modal, message, notification, config, popover, token, dialog, embed]);
  return /* @__PURE__ */ import_react.default.createElement(import_react.default.Fragment, null, children, contextHolder, popoverContextHolder, pageContextHolder, dialogContextHolder);
}, "FlowEngineGlobalsContextProvider");
const useFlowEngine = /* @__PURE__ */ __name(() => {
  const context = (0, import_react.useContext)(FlowEngineReactContext);
  if (!context) {
    throw new Error(
      "useFlowEngine must be used within a FlowEngineProvider, and FlowEngineProvider must be supplied with an engine."
    );
  }
  return context;
}, "useFlowEngine");
const useFlowEngineContext = /* @__PURE__ */ __name(() => {
  const engine = useFlowEngine();
  return engine.context;
}, "useFlowEngineContext");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  FlowEngineGlobalsContextProvider,
  FlowEngineProvider,
  useFlowEngine,
  useFlowEngineContext
});