forked from MapComplete/MapComplete
68 lines
2.6 KiB
TypeScript
68 lines
2.6 KiB
TypeScript
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import GeocodingProvider, { GeoCodeResult, GeocodingOptions } from "./GeocodingProvider"
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import { Utils } from "../../Utils"
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/**
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* A simple search-class which interprets possible locations
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*/
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export default class CoordinateSearch implements GeocodingProvider {
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private static readonly latLonRegexes: ReadonlyArray<RegExp> = [
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/([0-9]+\.[0-9]+)[ ,;]+([0-9]+\.[0-9]+)/,
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/lat:?[ ]*([0-9]+\.[0-9]+)[ ,;]+lon:?[ ]*([0-9]+\.[0-9]+)/,
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/https:\/\/www.openstreetmap.org\/.*#map=[0-9]+\/([0-9]+\.[0-9]+)\/([0-9]+\.[0-9]+)/,
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/https:\/\/www.google.com\/maps\/@([0-9]+.[0-9]+),([0-9]+.[0-9]+).*/
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]
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private static readonly lonLatRegexes: ReadonlyArray<RegExp> = [
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/([0-9]+\.[0-9]+)[ ,;]+([0-9]+\.[0-9]+)/
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]
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/**
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*
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* @param query
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* @param options
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*
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* const ls = new CoordinateSearch()
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* const results = await ls.search("https://www.openstreetmap.org/search?query=Brugge#map=11/51.2611/3.2217")
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* results.length // => 1
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* results[0] // => {lat: 51.2611, lon: 3.2217, display_name: "lon: 3.2217, lat: 51.2611"}
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*
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* const ls = new CoordinateSearch()
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* const results = await ls.search("https://www.openstreetmap.org/#map=11/51.2611/3.2217")
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* results.length // => 1
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* results[0] // => {lat: 51.2611, lon: 3.2217, display_name: "lon: 3.2217, lat: 51.2611"}
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*
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* const ls = new CoordinateSearch()
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* const results = await ls.search("51.2611 3.2217")
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* results.length // => 2
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* results[0] // => {lat: 51.2611, lon: 3.2217, display_name: "lon: 3.2217, lat: 51.2611"}
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* results[1] // => {lon: 51.2611, lat: 3.2217, display_name: "lon: 51.2611, lat: 3.2217"}
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*
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*/
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async search(query: string, options?: GeocodingOptions): Promise<GeoCodeResult[]> {
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const matches = Utils.NoNull(CoordinateSearch.latLonRegexes.map(r => query.match(r))).map(m => <GeoCodeResult>{
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lat: Number(m[1]),
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lon: Number(m[2]),
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display_name: "lon: " + m[2] + ", lat: " + m[1],
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source: "coordinateSearch"
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})
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const matchesLonLat = Utils.NoNull(CoordinateSearch.lonLatRegexes.map(r => query.match(r)))
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.map(m => <GeoCodeResult>{
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lat: Number(m[2]),
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lon: Number(m[1]),
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display_name: "lon: " + m[1] + ", lat: " + m[2],
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source: "coordinateSearch"
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})
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return matches.concat(matchesLonLat)
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}
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suggest(query: string, options?: GeocodingOptions): Promise<GeoCodeResult[]> {
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return this.search(query, options)
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}
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}
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