62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
import { OVERPASS_SERVER } from "./hosts";
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export interface OverpassResult {
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elements: OverpassElement[];
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}
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export interface OverpassElement {
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type: "node" | "way" | "relation";
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id: number;
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tags: Record<string, string>;
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lat?: number; // Only for nodes
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lon?: number; // Only for nodes
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nodes?: number[]; // Only for ways
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center?: {
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lat: number; // Only for relations
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lon: number; // Only for relations
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};
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}
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/**
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[out:json];
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{{geocodeArea:<City>}}->.searchArea;
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// nwr(area.searchArea);
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(
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node(area.searchArea)["amenity"]["name"];
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way(area.searchArea)["amenity"]["name"];
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relation(area.searchArea)["amenity"]["name"];
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node(area.searchArea)["shop"]["name"];
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way(area.searchArea)["shop"]["name"];
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relation(area.searchArea)["shop"]["name"];
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node(area.searchArea)["building"]["building"!="garage"];
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way(area.searchArea)["building"]["building"!="garage"];
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node(area.searchArea)["amenity"="parking"];
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way(area.searchArea)["amenity"="parking"];
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);
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out geom;
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[out:json];
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{{geocodeArea:<City>}};
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out geom;
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*/
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export async function fetchPOI(lat: number, lon: number, radius: number) {
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return await fetch(OVERPASS_SERVER, {
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method: "POST",
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body: `[out:json];
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(
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node(around:${radius}, ${lat}, ${lon})["amenity"]["name"];
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way(around:${radius}, ${lat}, ${lon})["amenity"]["name"];
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relation(around:${radius}, ${lat}, ${lon})["amenity"]["name"];
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node(around:${radius}, ${lat}, ${lon})["shop"]["name"];
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way(around:${radius}, ${lat}, ${lon})["shop"]["name"];
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relation(around:${radius}, ${lat}, ${lon})["shop"]["name"];
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node(around:${radius}, ${lat}, ${lon})["building"]["building"!="garage"];
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way(around:${radius}, ${lat}, ${lon})["building"]["building"!="garage"];
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node(around:${radius}, ${lat}, ${lon})["amenity"="parking"];
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way(around:${radius}, ${lat}, ${lon})["amenity"="parking"];
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);
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out center tags;`,
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}).then((res) => res.json() as Promise<OverpassResult>);
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}
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