@elastic/ems-client/target/web/file_layer.js

JavaScript client library for the Elastic Maps Service

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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0; you may not use this file except in compliance with the Elastic License
 * 2.0.
 */

import url from 'url';
import { AbstractEmsService } from './ems_service';
import * as topojson from 'topojson-client';
export var EMSFormatType = /*#__PURE__*/function (EMSFormatType) {
  EMSFormatType["geojson"] = "geojson";
  EMSFormatType["topojson"] = "topojson";
  return EMSFormatType;
}({});
export var FileLayer = /*#__PURE__*/function (_AbstractEmsService) {
  function FileLayer(config, emsClient, proxyPath) {
    var _this;
    _classCallCheck(this, FileLayer);
    _this = _callSuper(this, FileLayer, [config, emsClient, proxyPath]);
    _defineProperty(_this, "_config", void 0);
    _this._config = config;
    return _this;
  }
  _inherits(FileLayer, _AbstractEmsService);
  return _createClass(FileLayer, [{
    key: "getGeoJson",
    value: function () {
      var _getGeoJson = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
        var cachedGeoJson, format, fetchUrl, geojson, fetchedJson, _meta$feature_collect, meta, featureCollectionPath;
        return _regeneratorRuntime().wrap(function _callee$(_context) {
          while (1) switch (_context.prev = _context.next) {
            case 0:
              cachedGeoJson = this._emsClient.getCachedGeoJson(this.getId());
              if (!cachedGeoJson) {
                _context.next = 3;
                break;
              }
              return _context.abrupt("return", cachedGeoJson);
            case 3:
              format = this.getDefaultFormatType();
              fetchUrl = this.getDefaultFormatUrl();
              _context.next = 7;
              return this._emsClient.getManifest(fetchUrl);
            case 7:
              fetchedJson = _context.sent;
              if (!fetchedJson) {
                _context.next = 22;
                break;
              }
              if (!(format === 'geojson')) {
                _context.next = 13;
                break;
              }
              geojson = fetchedJson;
              _context.next = 20;
              break;
            case 13:
              if (!(format === 'topojson')) {
                _context.next = 19;
                break;
              }
              meta = this.getDefaultFormatMeta();
              featureCollectionPath = (_meta$feature_collect = meta === null || meta === void 0 ? void 0 : meta.feature_collection_path) !== null && _meta$feature_collect !== void 0 ? _meta$feature_collect : 'data'; // @ts-expect-error see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/52156
              geojson = topojson.feature(fetchedJson, featureCollectionPath);
              _context.next = 20;
              break;
            case 19:
              return _context.abrupt("return");
            case 20:
              this._emsClient.cacheGeoJson(this.getId(), geojson);
              return _context.abrupt("return", geojson);
            case 22:
              return _context.abrupt("return");
            case 23:
            case "end":
              return _context.stop();
          }
        }, _callee, this);
      }));
      function getGeoJson() {
        return _getGeoJson.apply(this, arguments);
      }
      return getGeoJson;
    }()
  }, {
    key: "getFields",
    value: function getFields() {
      return this._config.fields;
    }
  }, {
    key: "getFieldsInLanguage",
    value: function getFieldsInLanguage() {
      var _this2 = this;
      return this.getFields().map(function (field) {
        return {
          type: field.type,
          name: field.id,
          description: _this2._emsClient.getValueInLanguage(field.label)
        };
      });
    }
  }, {
    key: "getDisplayName",
    value: function getDisplayName() {
      var layerName = this._emsClient.getValueInLanguage(this._config.layer_name);
      return layerName ? layerName : '';
    }
  }, {
    key: "getId",
    value: function getId() {
      return this._config.layer_id;
    }
  }, {
    key: "hasId",
    value: function hasId(id) {
      var matchesLegacyId = this._config.legacy_ids.indexOf(id) >= 0;
      return this._config.layer_id === id || matchesLegacyId;
    }
  }, {
    key: "getEMSHotLink",
    value: function getEMSHotLink() {
      var landingPageString = this._emsClient.getLandingPageUrl();
      var urlObject = url.parse(landingPageString, true);
      urlObject.hash = "file/".concat(this.getId());
      urlObject.query = _objectSpread(_objectSpread({}, urlObject.query), {}, {
        locale: this._emsClient.getLocale()
      });
      return url.format(urlObject);
    }
  }, {
    key: "getDefaultFormatType",
    value: function getDefaultFormatType() {
      var format = this._getDefaultFormat();
      return format.type;
    }
  }, {
    key: "getFormatOfType",
    value: function getFormatOfType(type) {
      var format = this._getFormatOfType(type);
      return format.type;
    }
  }, {
    key: "getDefaultFormatMeta",
    value: function getDefaultFormatMeta() {
      var format = this._getDefaultFormat();
      return this._getFormatMeta(format);
    }
  }, {
    key: "getFormatOfTypeMeta",
    value: function getFormatOfTypeMeta(type) {
      var format = this._getFormatOfType(type);
      return this._getFormatMeta(format);
    }
  }, {
    key: "getDefaultFormatUrl",
    value: function getDefaultFormatUrl() {
      var format = this._getDefaultFormat();
      return this._getFormatUrl(format);
    }
  }, {
    key: "getFormatOfTypeUrl",
    value: function getFormatOfTypeUrl(type) {
      var format = this._getFormatOfType(type);
      return this._getFormatUrl(format);
    }
  }, {
    key: "getCreatedAt",
    value: function getCreatedAt() {
      return this._config.created_at;
    }
  }, {
    key: "getApiUrl",
    value: function getApiUrl() {
      return this._emsClient.getFileApiUrl();
    }
  }, {
    key: "_getFormatUrl",
    value: function _getFormatUrl(format) {
      var url = this._proxyPath + this._getAbsoluteUrl(format.url);
      return this._emsClient.extendUrlWithParams(url);
    }
  }, {
    key: "_getFormatMeta",
    value: function _getFormatMeta(format) {
      if ('meta' in format) {
        return format.meta;
      } else {
        return;
      }
    }
  }, {
    key: "_getDefaultFormat",
    value: function _getDefaultFormat() {
      var defaultFormat = this._config.formats.find(function (format) {
        return format.legacy_default;
      });
      if (defaultFormat) {
        return defaultFormat;
      }
      return this._config.formats[0];
    }
  }, {
    key: "_getFormatOfType",
    value: function _getFormatOfType(type) {
      var requestedFormat = this._config.formats.find(function (format) {
        return format.type === type;
      });
      return requestedFormat || this._getDefaultFormat();
    }
  }]);
}(AbstractEmsService);