init

src/logger.ts

@@ -0,0 +1,37 @@
+import { appendFileSync, existsSync } from 'fs';
+import { createWriteStream } from 'fs';
+
+const filename = 'logs.csv',
+	exist = existsSync(filename);
+
+console.log(filename, exist);
+
+if (!exist) {
+
+	appendFileSync(filename, ['Date', 'Method', 'Url', 'Status'].join(',') + '\n', 'utf8');
+}
+
+export const log = (method: string, url: string, status: number) => {
+	appendFileSync(filename, [isoDateInTimeZone(), method, url, status].join(',') + '\n', 'utf8');
+}
+
+function isoDateInTimeZone(timeZone = 'America/Buenos_Aires', date = new Date()) {
+	const parts = new Intl.DateTimeFormat("en-CA", {
+		timeZone,
+		year: "numeric",
+		month: "2-digit",
+		day: "2-digit",
+		hour: "2-digit",
+		minute: "2-digit",
+		second: "2-digit",
+		fractionalSecondDigits: 3,
+		hour12: false,
+		timeZoneName: "shortOffset",
+	}).formatToParts(date),
+		map = Object.fromEntries(parts.map(p => [p.type, p.value])),
+		offset = map.timeZoneName.replace("GMT", "");
+
+	return `${map.year}-${map.month}-${map.day}T` +
+		`${map.hour}:${map.minute}:${map.second}.` +
+		`${map.fractionalSecond}${offset}`;
+}