Use node to get bulk attributions (title, author, license) from Commons API

commons_api_attribution.js

const fetch = require('node-fetch');
var fs = require('fs');
// just get the last part of Commons url from browser
// there might be a limit, if so build a loop
var list = [
"OOjs_UI_icon_language-ltr.svg",
"Flight_of_the_Bumblebee_on_Pipe_Organ_Pedals.webm",
"Happy_20th_birthday,_Wikipedia!_%E2%80%93_International_(subtitled)_version.webm"
];
var result = [];

function writeJson(jsonContent, outpath) {
	fs.writeFile(__dirname + outpath + ".json", jsonContent, 'utf8', function (err) {
	    if (err) {
	        console.log("An error occured while writing JSON Object to File.");
	        return console.log(err);
	    }
	    console.log(outpath + ": JSON file has been saved.");
	}); 
}

function req(index) {
	var filename = list[index];
	(async () => {
		try {
			const res = await fetch('https://commons.wikimedia.org/w/api.php?action=query&prop=imageinfo&format=json&formatversion=2&iiprop=extmetadata&iilimit=10&titles=File:' + filename)
			const json = await res.json()
			console.log("---");
			console.log(json.query.pages[0].title);
			console.log(json.query.pages[0].imageinfo[0].extmetadata.Artist.value);
			console.log(json.query.pages[0].imageinfo[0].extmetadata.LicenseShortName.value);
			console.log("(https://commons.wikimedia.org/wiki/File:" + filename + ")");
			console.log("---");
			    if (index + 1 < list.length) {
			    	await new Promise(resolve => setTimeout(resolve, 1000));
			    	req(index + 1);
			    }
			} catch (error) {
				console.log("[err]", filename, error.res);
				if (index + 1 < list.length) {
					await new Promise(resolve => setTimeout(resolve, 2000));
					req(index);
				}
			}
		})();
}

req(0);

// result might contain html, use something like https://www.textfixer.com/html/html-to-text.php to get just text