kopia lustrzana https://github.com/FacilMap/facilmap
80 wiersze
2.7 KiB
TypeScript
80 wiersze
2.7 KiB
TypeScript
import fetch from "node-fetch";
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import yauzl, { Entry } from "yauzl";
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import util from "util";
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import svgo from "svgo";
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import cheerio from "cheerio";
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import highland from "highland";
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import fs from "fs";
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const outDir = `${__dirname}/assets/icons/osmi`;
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function streamEachPromise<T>(stream: Highland.Stream<T>, handle: (item: T) => Promise<void> | void): Promise<void> {
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return new Promise((resolve, reject) => {
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stream
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.flatMap((item) => highland(Promise.resolve(handle(item as T))))
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.stopOnError(reject)
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.done(resolve);
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});
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}
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async function updateIcons() {
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const buffer = await fetch("https://github.com/twain47/Open-SVG-Map-Icons/archive/master.zip").then((res) => res.buffer());
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const zip = (await util.promisify(yauzl.fromBuffer)(buffer))!;
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const entryStream = highland<Entry>((push) => {
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zip.on("entry", (entry) => { push(null, entry); });
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zip.on("error", (err) => { push(err); });
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}).filter((entry) => entry.fileName.endsWith(".svg"));
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await streamEachPromise(entryStream, async (entry) => {
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const readStream = (await util.promisify(zip.openReadStream.bind(zip))(entry))!;
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const content = await highland<Buffer>(readStream).collect().map((buffers) => Buffer.concat(buffers)).toPromise(Promise);
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const cleanedContent = await cleanIcon(content.toString());
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const outFile = `${outDir}/${entry.fileName.split('/').slice(-2).join('_')}`;
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await fs.promises.writeFile(outFile, Buffer.from(cleanedContent));
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});
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}
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async function cleanIcon(icon: string): Promise<string> {
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const optimized = await new svgo().optimize(icon);
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const $ = cheerio.load(optimized.data, {
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xmlMode: true
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});
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for (const el of $("*").toArray() as cheerio.TagElement[]) {
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el.name = el.name.replace(/^svg:/, "");
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}
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$("metadata,sodipodi\\:namedview,defs,image").remove();
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for (const el of $("*").toArray()) {
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const $el = $(el);
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const fill = $el.css("fill") || $el.attr("fill");
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if(fill && fill != "none") {
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if(fill != "#ffffff" && fill != "#fff") { // This is the background
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$el.remove();
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continue;
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}
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if($el.css("fill"))
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$el.css("fill", "#000");
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else
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$el.attr("fill", "#000");
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}
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if($el.css("stroke") && $el.css("stroke") != "none")
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$el.css("stroke", "#000");
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else if($el.attr("stroke") && $el.attr("stroke") != "none")
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$el.attr("stroke", "#000");
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}
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return $(":root").html()!.replace(/(>|^)\s+(<|$)/g, "$1$2");
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}
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updateIcons().then(() => {
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console.log('Success!');
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}).catch((err) => {
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console.error('Fatal error', err);
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}); |