Metadata parser
Bundles https://www.npmjs.com/package/page-metadata-parser so it can work when injected into Chrome browser context (i.e. puppeteer)
Provides additional ld+json parsing for better results.
Usage
import { getMetadata, metadataRuleSets } from "page-metadata-parser";
export interface PageMetadata {
title?: string;
// FIXME: Valosan extra
published?: string;
icon?: string;
image?: string;
keywords?: string;
url?: string;
provider?: string;
type?: string;
language?: string;
description?: string;
}
const metadata: PageMetadata = parsePageMetadata(getMetadata, metadataRuleSets, document, url);Usage in ChromeDriver
const metadataScript = fs.readFileSync(
__dirname + "/../node_modules/@valosan/metadata-parser/page-metadata-parser.bundle.js",
{
encoding: "utf-8"
}
);
const metadataParser = fs.readFileSync(
__dirname + "/../node_modules/@valosan/metadata-parser/metadata.js",
{
encoding: "utf-8"
}
);
const metadata = await page.evaluate(`
(function(){
/* Metadata script */
${metadataScript}
/* Extraction code */
${metadataParser}
/* Return result */
return parsePageMetadata(metadataparser.getMetadata, metadataparser.metadataRuleSets, document, String(window.location));
}())
`)Building
npm run build
npm publish --access public