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Added sitemap.xml gen #20

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Added sitemap.xml gen #20

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916885a
Added sitemap.xml gen
forrest321 Nov 12, 2018
3be0030
added sitemap npm package
forrest321 Sep 21, 2019
f423591
error handling
forrest321 Sep 21, 2019
fdb1862
Merge branch 'master' into patch-1
forrest321 Sep 21, 2019
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27 changes: 27 additions & 0 deletions crawlsite.js
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ const URL = process.env.URL || 'https://news.polymer-project.org/';
const SCREENSHOTS = process.argv.includes('--screenshots');
const DEPTH = parseInt(process.env.DEPTH) || 2;
const VIEWPORT = SCREENSHOTS ? {width: 1028, height: 800, deviceScaleFactor: 2} : null;
const SITEMAP = process.argv.includes('--sitemap');
const OUT_DIR = process.env.OUTDIR || `output/${slugify(URL)}`;

const crawledPages = new Map();
Expand Down Expand Up @@ -161,6 +162,28 @@ async function crawl(browser, page, depth = 0) {
}
}

function buildSitemap() {
if (SITEMAP && crawledPages) {
var p = "";
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Use let throughout

crawledPages.forEach(element => {
var n = "\t\t<url>\n";
n = n + "\t\t\t<loc>\n";
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Is there a node lib we could use instead of manually crafting the xml?

n = n + `\t\t\t\t${element.url}\n`;
n = n + "\t\t\t</loc>\n";
n = n + "\t\t</url>\n";

p = p + n;
});
var sm = "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n";
sm = sm + "\t<urlset xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>\n";
sm = sm + p + "\t</urlset>\n";
const path = `./${OUT_DIR}/sitemap.xml`;
fs.writeFile(path, sm, function (err) {
if (err) throw err;
});
}
}

(async() => {

mkdirSync(OUT_DIR); // create output dir if it doesn't exist.
Expand All @@ -175,6 +198,10 @@ if (VIEWPORT) {
const root = {url: URL};
await crawl(browser, root);

if (SITEMAP) {
buildSitemap();
}

await util.promisify(fs.writeFile)(`./${OUT_DIR}/crawl.json`, JSON.stringify(root, null, ' '));

await browser.close();
Expand Down