109 lines
4 KiB
TypeScript
109 lines
4 KiB
TypeScript
import Script from "./Script"
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import { Utils } from "../src/Utils"
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import { Eli, EliEntry } from "./@types/eli"
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import fs from "fs"
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import { BingRasterLayer } from "../src/UI/Map/BingRasterLayer"
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class DownloadEli extends Script {
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constructor() {
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super("Downloads a fresh copy of the editor layer index, removes all unnecessary data.")
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}
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async main(args: string[]): Promise<void> {
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const url = "https://osmlab.github.io/editor-layer-index/imagery.geojson"
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// Target should use '.json' instead of '.geojson', as the latter cannot be imported by the build systems
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const target = args[0] ?? "src/assets/editor-layer-index.json"
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const eli: Eli = await Utils.downloadJson(url)
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const keptLayers: EliEntry[] = []
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console.log("Got", eli.features.length, "ELI-entries")
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for (let layer of eli.features) {
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const props = layer.properties
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if (props.type === "bing") {
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// A lot of work to implement - see https://github.com/pietervdvn/MapComplete/issues/648
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try {
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const bing = await BingRasterLayer.get()
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if (bing === "error") {
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continue
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}
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delete props.default
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props.category = "photo"
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props.url = bing.properties.url.replace("%7Bquadkey%7D", "{quadkey}")
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} catch (e) {
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console.error("Could not fetch URL for bing", e)
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continue
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}
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}
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if (props.id === "MAPNIK") {
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// Already added by default
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continue
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}
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if (props.overlay) {
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continue
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}
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if (props.id === "Mapbox") {
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/**
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* This token is managed by Martin Reifer on the 'OpenStreetMap'-account on MapBox
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*/
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const token =
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"pk.eyJ1Ijoib3BlbnN0cmVldG1hcCIsImEiOiJjbGZkempiNDkyandvM3lwY3M4MndpdWdzIn0.QnvRv52n3qffVEKmQa9vJA"
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props.url = props.url.replace("{apikey}", token)
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}
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if (props.url.toLowerCase().indexOf("apikey") > 0) {
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continue
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}
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if (props.permission_osm === "no") {
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continue
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}
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if (props.max_zoom && props.max_zoom < 19) {
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// We want users to zoom to level 19 when adding a point
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// If they are on a layer which hasn't enough precision, they can not zoom far enough. This is confusing, so we don't use this layer
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continue
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}
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if (props.name === undefined) {
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console.warn("Editor layer index: name not defined on ", props)
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continue
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}
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if (props.url.startsWith("http://")) {
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// Mixed content will not work properly, so we don't use this layer
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continue
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}
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// Override the layer, so it contains only the properties we need
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layer.properties = {
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name: props.name,
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id: props.id,
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url: props.url,
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attribution: props.attribution,
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type: props.type,
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category: props.category,
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min_zoom: props.min_zoom,
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max_zoom: props.max_zoom,
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best: props.best ? true : undefined,
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default: props.default ? true : undefined,
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"tile-size": props["tile-size"],
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}
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layer = { properties: layer.properties, type: layer.type, geometry: layer.geometry }
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keptLayers.push(layer)
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}
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const contents =
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'{"type":"FeatureCollection",\n "features": [\n' +
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keptLayers.map((l) => JSON.stringify(l)).join(",\n") +
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"\n]}"
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fs.writeFileSync(target, contents, { encoding: "utf8" })
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console.log("Written", keptLayers.length + ", entries to the ELI")
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}
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}
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new DownloadEli().run()
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