@elastic/ems-client
Version:
JavaScript client library for the Elastic Maps Service
147 lines (146 loc) • 5.84 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.FileLayer = exports.EMSFormatType = void 0;
var _url = _interopRequireDefault(require("url"));
var _ems_service = require("./ems_service");
var topojson = _interopRequireWildcard(require("topojson-client"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (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 _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } /*
* 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.
*/
let EMSFormatType = exports.EMSFormatType = /*#__PURE__*/function (EMSFormatType) {
EMSFormatType["geojson"] = "geojson";
EMSFormatType["topojson"] = "topojson";
return EMSFormatType;
}({});
class FileLayer extends _ems_service.AbstractEmsService {
constructor(config, emsClient, proxyPath) {
super(config, emsClient, proxyPath);
_defineProperty(this, "_config", void 0);
this._config = config;
}
async getGeoJson() {
const cachedGeoJson = this._emsClient.getCachedGeoJson(this.getId());
if (cachedGeoJson) {
return cachedGeoJson;
}
const format = this.getDefaultFormatType();
const fetchUrl = this.getDefaultFormatUrl();
let geojson;
const fetchedJson = await this._emsClient.getManifest(fetchUrl);
if (fetchedJson) {
if (format === 'geojson') {
geojson = fetchedJson;
} else if (format === 'topojson') {
const meta = this.getDefaultFormatMeta();
const featureCollectionPath = meta?.feature_collection_path ?? 'data';
// @ts-expect-error see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/52156
geojson = topojson.feature(fetchedJson, featureCollectionPath);
} else {
return;
}
this._emsClient.cacheGeoJson(this.getId(), geojson);
return geojson;
}
return;
}
getFields() {
return this._config.fields;
}
getFieldsInLanguage() {
return this.getFields().map(field => {
return {
type: field.type,
name: field.id,
description: this._emsClient.getValueInLanguage(field.label)
};
});
}
getDisplayName() {
const layerName = this._emsClient.getValueInLanguage(this._config.layer_name);
return layerName ? layerName : '';
}
getId() {
return this._config.layer_id;
}
hasId(id) {
const matchesLegacyId = this._config.legacy_ids.indexOf(id) >= 0;
return this._config.layer_id === id || matchesLegacyId;
}
getEMSHotLink() {
const landingPageString = this._emsClient.getLandingPageUrl();
const urlObject = _url.default.parse(landingPageString, true);
urlObject.hash = `file/${this.getId()}`;
urlObject.query = {
...urlObject.query,
locale: this._emsClient.getLocale()
};
return _url.default.format(urlObject);
}
getDefaultFormatType() {
const format = this._getDefaultFormat();
return format.type;
}
getFormatOfType(type) {
const format = this._getFormatOfType(type);
return format.type;
}
getDefaultFormatMeta() {
const format = this._getDefaultFormat();
return this._getFormatMeta(format);
}
getFormatOfTypeMeta(type) {
const format = this._getFormatOfType(type);
return this._getFormatMeta(format);
}
getDefaultFormatUrl() {
const format = this._getDefaultFormat();
return this._getFormatUrl(format);
}
getFormatOfTypeUrl(type) {
const format = this._getFormatOfType(type);
return this._getFormatUrl(format);
}
getCreatedAt() {
return this._config.created_at;
}
getApiUrl() {
return this._emsClient.getFileApiUrl();
}
_getFormatUrl(format) {
const url = this._proxyPath + this._getAbsoluteUrl(format.url);
return this._emsClient.extendUrlWithParams(url);
}
_getFormatMeta(format) {
if ('meta' in format) {
return format.meta;
} else {
return;
}
}
_getDefaultFormat() {
const defaultFormat = this._config.formats.find(format => {
return format.legacy_default;
});
if (defaultFormat) {
return defaultFormat;
}
return this._config.formats[0];
}
_getFormatOfType(type) {
const requestedFormat = this._config.formats.find(format => {
return format.type === type;
});
return requestedFormat || this._getDefaultFormat();
}
}
exports.FileLayer = FileLayer;