@elastic/ems-client
Version:
JavaScript client library for the Elastic Maps Service
229 lines (228 loc) • 14.5 kB
JavaScript
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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__*/_regenerator().m(function _callee() {
var cachedGeoJson, format, fetchUrl, geojson, fetchedJson, _meta$feature_collect, meta, featureCollectionPath;
return _regenerator().w(function (_context) {
while (1) switch (_context.n) {
case 0:
cachedGeoJson = this._emsClient.getCachedGeoJson(this.getId());
if (!cachedGeoJson) {
_context.n = 1;
break;
}
return _context.a(2, cachedGeoJson);
case 1:
format = this.getDefaultFormatType();
fetchUrl = this.getDefaultFormatUrl();
_context.n = 2;
return this._emsClient.getManifest(fetchUrl);
case 2:
fetchedJson = _context.v;
if (!fetchedJson) {
_context.n = 6;
break;
}
if (!(format === 'geojson')) {
_context.n = 3;
break;
}
geojson = fetchedJson;
_context.n = 5;
break;
case 3:
if (!(format === 'topojson')) {
_context.n = 4;
break;
}
meta = this.getDefaultFormatMeta();
featureCollectionPath = (_meta$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.n = 5;
break;
case 4:
return _context.a(2);
case 5:
this._emsClient.cacheGeoJson(this.getId(), geojson);
return _context.a(2, geojson);
case 6:
return _context.a(2);
}
}, _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);