@xrenders/xflow/lib/components/FlowProvider/index.js

一款功能强大、易用灵活的流程编辑器框架，帮助你轻松构建复杂的工作流和流程产品

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.FlowProviderWrapper = exports.FlowProvider = void 0;
var _react = require("@xyflow/react");
var _react2 = _interopRequireWildcard(require("react"));
var _useStore2 = require("../../hooks/useStore");
var _context = _interopRequireWildcard(require("../../models/context"));
var _store = require("../../models/store");
var _utils = require("../../utils");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
var FlowProvider = exports.FlowProvider = /*#__PURE__*/(0, _react2.memo)(function (_ref) {
  var _ref$initialNodes = _ref.initialNodes,
    nodes = _ref$initialNodes === void 0 ? [] : _ref$initialNodes,
    _ref$initialEdges = _ref.initialEdges,
    edges = _ref$initialEdges === void 0 ? [] : _ref$initialEdges,
    children = _ref.children,
    _ref$layout = _ref.layout,
    layout = _ref$layout === void 0 ? 'LR' : _ref$layout;
  var _useState = (0, _react2.useState)(function () {
      return (0, _store.createStore)({
        nodes: nodes,
        edges: edges,
        layout: layout
      });
    }),
    _useState2 = _slicedToArray(_useState, 1),
    store = _useState2[0];
  return /*#__PURE__*/_react2.default.createElement(_react.ReactFlowProvider, null, /*#__PURE__*/_react2.default.createElement(_context.Provider, {
    value: store
  }, children));
});
var InitialProvider = function InitialProvider(_ref2) {
  var nodes = _ref2.nodes,
    edges = _ref2.edges,
    layout = _ref2.layout,
    children = _ref2.children;
  var _useStore = (0, _useStore2.useStore)(function (s) {
      return {
        setNodes: s.setNodes,
        setEdges: s.setEdges,
        setLayout: s.setLayout
      };
    }),
    setNodes = _useStore.setNodes,
    setEdges = _useStore.setEdges,
    setLayout = _useStore.setLayout;
  (0, _react2.useEffect)(function () {
    setNodes(nodes);
    setLayout(layout);
    setEdges(edges);
  }, []);
  // we need to wrap it with a fragment because it's not allowed for children to be a ReactNode
  // https://github.com/DefinitelyTyped/DefinitelyTyped/issues/18051
  return /*#__PURE__*/_react2.default.createElement(_react2.default.Fragment, null, children);
};
var FlowProviderWrapper = exports.FlowProviderWrapper = function FlowProviderWrapper(_ref3) {
  var children = _ref3.children,
    nodes = _ref3.nodes,
    edges = _ref3.edges,
    layout = _ref3.layout;
  var isWrapped = (0, _react2.useContext)(_context.default);
  if (isWrapped) {
    return /*#__PURE__*/_react2.default.createElement(InitialProvider, {
      nodes: (0, _utils.transformSwitchNodes)(nodes),
      edges: edges,
      layout: layout
    }, children);
  }
  return /*#__PURE__*/_react2.default.createElement(FlowProvider, {
    initialNodes: (0, _utils.transformNodes)(nodes),
    initialEdges: edges,
    layout: layout
  }, children);
};