@mason-api/javascript-sdk/dist/integrations/datasources.js

Mason component rendering library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _lodash = _interopRequireDefault(require("lodash"));

var _immutabilityHelper = _interopRequireDefault(require("immutability-helper"));

var _utils = require("@mason-api/utils");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var applyData = function applyData(config, configSubpath, datasources) {
  return (0, _immutabilityHelper.default)(config, {
    data: _defineProperty({}, configSubpath, {
      tree: {
        $set: _utils.TREE.interpolate(_lodash.default.get(config, "data.".concat(configSubpath, ".tree")), datasources, function (collection) {
          return collection || [];
        }, function (value) {
          return _lodash.default.isNil(value) ? '' : value;
        })
      }
    })
  });
};

var fetchDatasource = function fetchDatasource(datasource) {
  return _utils.HTTP.makeCall({
    data: _utils.OBJECT.keyValueArrayToObject(datasource.queries),
    headers: _utils.OBJECT.keyValueArrayToObject(datasource.headers),
    url: datasource.url,
    verb: _utils.HTTP.GET
  });
};

var store = {
  datasources: {},
  data: {}
};
var processDatasourceEvents = _lodash.default.noop;

var _initDatasourceEventListener = function initDatasourceEventListener(getContext) {
  processDatasourceEvents = function processDatasourceEvents(e) {
    var form = e.target;

    var _getContext = getContext(form),
        callback = _getContext.callback,
        component = _getContext.component,
        components = _getContext.components,
        instance = _getContext.instance,
        render = _getContext.render;

    var configSubpath = instance.target.getAttribute('data-config-subpath') || 'default';
    var tree = instance.config.data[configSubpath].tree;

    var node = _utils.TREE.findNodeAtPath(tree, form.getAttribute('data-path'));

    var datasourceEvents = _lodash.default.reduce(_lodash.default.get(node.p, '_events.success'), function (result, event) {
      if (event.type === 'datasource') {
        return _lodash.default.concat(result, {
          action: event.action,
          data: e.detail.data,
          datasourceId: event.id,
          path: event.path
        });
      }

      return result;
    }, []);

    if (!_lodash.default.isEmpty(datasourceEvents)) {
      var updatedDatasources = {};
      var didFetchData = callback('didFetchData', component.id, instance.target);

      _lodash.default.forEach(datasourceEvents, function (op) {
        updatedDatasources[op.datasourceId] = true;

        var datasource = _lodash.default.get(store.datasources, "".concat(component.projectId, ".").concat(op.datasourceId));

        var data = didFetchData(op.data, datasource, component.id);
        receiveDatasource(op.datasourceId, component.projectId, data, op.path, op.action);

        _lodash.default.forEach(document.querySelector('mason-canvas'), function (canvas) {
          var id = canvas.getAttribute('data-id');

          var c = _lodash.default.get(components, id);

          if (c && _utils.COMPONENT.usesDatasource(c, op.datasourceId)) {
            canvas.setAttribute('data-render', !!component.getAttribute('data-render')); // trigger a re-render using the observer
          }
        });
      });
    }
  };

  _initDatasourceEventListener = _lodash.default.noop;
};

var receiveDatasource = function receiveDatasource(datasourceId, projectId, data) {
  var path = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '';
  var operation = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 'set';

  var datasource = _lodash.default.get(store.datasources, "".concat(projectId, ".").concat(datasourceId));

  var nextDatasource;

  switch (operation) {
    case 'replace':
    case 'set':
      nextDatasource = _utils.DATASOURCE.setData(datasource, data, path);
      break;

    case 'merge':
      nextDatasource = _utils.DATASOURCE.mergeData(datasource, data, path);
      break;

    case 'remove':
      nextDatasource = _utils.DATASOURCE.removeData(datasource, data, path);
      break;

    default:
      nextDatasource = _utils.DATASOURCE.setData(datasource, data, path);
  }

  store.datasources[projectId][datasourceId] = nextDatasource;
};

var _default = {
  has: _lodash.default.stubTrue,
  init: function init(getContext) {
    return function (next) {
      return function (config) {
        var _getContext2 = getContext(),
            components = _getContext2.components,
            projects = _getContext2.projects;

        var component = _lodash.default.get(components, config.componentId);

        var project = _lodash.default.get(projects, component.projectId);

        if (!_lodash.default.has(store.datasources, project.id)) {
          store.datasources[project.id] = _objectSpread({}, project.datasources);
        }

        _initDatasourceEventListener(getContext);

        return next(config);
      };
    };
  },
  render: function render(getContext) {
    return function (next) {
      return function (config, configSubpath, target, props) {
        var _getContext3 = getContext(),
            callback = _getContext3.callback,
            components = _getContext3.components;

        var component = _lodash.default.get(components, config.componentId);

        target.addEventListener('didReceiveData', processDatasourceEvents);

        if (!_lodash.default.isEmpty(config.data.default.datasources)) {
          var datasourcesToFetch = _lodash.default.pick(store.datasources[component.projectId], _lodash.default.map(config.data.default.datasources, 'id'));

          var before = callback('willFetchData', config.componentId, target);
          var after = callback('didFetchData', config.componentId, target);
          Promise.all(_lodash.default.map(datasourcesToFetch, function (datasource) {
            return fetchDatasource(before(datasource, config.componentId)).then(function (d) {
              return receiveDatasource(datasource.id, component.projectId, after(d, datasource, config.componentId));
            });
          })).finally(function () {
            return next(applyData(config, configSubpath, store.datasources[component.projectId]), configSubpath, target, props);
          });
        } else {
          next(applyData(config, configSubpath, store.datasources[component.projectId]), configSubpath, target, props);
        }
      };
    };
  }
};
exports.default = _default;