Throw error when no pasteInterval is configured

src/scrapers/pastebin-com.js

@@ -23,6 +23,10 @@ module.exports = function createPastebinComScraper(options = {}) {
 	let knownPastes = [];
 	let previousKnownPastes = [];
 
+	if (options.pasteInterval == null) {
+		throw new Error("A `pasteInterval` is required in the `pastebinCom` scraper configuration, but none was provided");
+	}
+
 	debug(`Initializing with pasteInterval ${options.pasteInterval}, listInterval ${options.listInterval}, and listLimit ${options.listLimit}`);
 
 	queue.define("fetchPaste", (task) => {