49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
import exp from "constants"
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import { Utils } from "../../Utils"
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export interface TagInfoStats {
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/**
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* The total number of entries in the data array, **not** the total number of objects known in OSM!
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*
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* Use `data.find(item => item.type==="all").count` for this
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*/
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total: number
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data: {
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type: "all" | "nodes" | "ways" | "relations"
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count: number
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count_fraction: number
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}[]
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}
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export default class TagInfo {
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private readonly _backend: string
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public static readonly global = new TagInfo()
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constructor(backend = "https://taginfo.openstreetmap.org/") {
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this._backend = backend
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}
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public getStats(key: string, value?: string): Promise<TagInfoStats> {
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let url: string
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if (value) {
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url = `${this._backend}api/4/tag/stats?key=${key}&value=${value}`
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} else {
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url = `${this._backend}api/4/key/stats?key=${key}`
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}
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return Utils.downloadJsonCached(url, 1000 * 60 * 60)
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}
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/**
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* Creates the URL to the webpage containing more information
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* @param k
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* @param v
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*/
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webUrl(k: string, v: string) {
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if (v) {
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return `${this._backend}/tags/${k}=${v}#overview`
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} else {
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return `${this._backend}/keys/${k}#overview`
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}
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}
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}
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