index.js

import {getFeatures} from 'query-fis-broker-wfs/get-features.js'

import {createParseStructure} from './lib/parse-structure.js'

const endpoint = 'https://fbinter.stadt-berlin.de/fb/wfs/data/senstadt/s_wfs_alkis_gebaeudeflaechen'

const isObj = (v) => 'object' === typeof v && !Array.isArray(v)

const getItems = async function* (layer, bbox, opt = {}) {
	if ('string' !== typeof layer) throw new Error('layer must be a string')
	if (!Array.isArray(bbox)) throw new Error('bbox must be an array')

	if (('fields' in opt) && !isObj(opt.fields)) {
		throw new Error('opt.fields must be an object')
	}
	const parse = createParseStructure(opt.fields)

	const features = getFeatures(endpoint, layer, {
		bbox,
		crs: 'urn:ogc:def:crs:EPSG:6.9:25833'
	})
	for await (const feature of features) {
		yield parse(feature)
	}
}

// todo: getItem, bbox, etc

export {
	getItems,
}