feat: added check to see if new version available (#8)

Author: silverAndroid

cli.ts

@@ -1,9 +1,11 @@
 import { Command, InvalidOptionArgumentError } from "commander";
 import dayjs from "dayjs";
 import { readFile } from "fs";
+import fetch from 'node-fetch';
 import * as path from "path";
 import puppeteer from "puppeteer";
 import { BrowserFetcher } from "puppeteer/lib/cjs/puppeteer/node/BrowserFetcher";
+import semver from 'semver';
 import { promisify } from "util";
 
 import { logger } from "./logger";
@@ -175,7 +177,30 @@ async function downloadChrome() {
   return revisionInfo.executablePath;
 }
 
+async function checkCliUpdate() {
+  const res = await fetch(
+    "https://github.com/silverAndroid/drivetest-ca-availabilities/releases/latest"
+  );
+  const { version: currentVersion } = require('./package.json');
+  const newVersion = res.url.split('/').slice(-1)[0];
+
+  if (semver.lt(currentVersion, newVersion)) {
+    return res.url;
+  }
+
+  return null;
+}
+
 async function main() {
+  logger.info('Checking for updates...');
+  const updateUrl = await checkCliUpdate();
+  if (updateUrl) {
+    logger.info('Found new update at %s! Please update to the latest version.', updateUrl);
+    return;
+  } else {
+    logger.info('No new updates found, current version %s', require('./package.json').version);
+  }
+
   let executablePath: string | undefined = undefined;
   if (!configPromise) {
     executablePath = await downloadChrome();

package.json

@@ -1,6 +1,6 @@
 {
   "name": "drivetest-ca-availabilities",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "See available dates for driving test on drivetest.ca",
   "main": "index.js",
   "repository": "https://github.com/silverAndroid/drivetest-ca-availabilities.git",
@@ -17,6 +17,7 @@
     "@types/node-fetch": "^2.5.8",
     "@types/pino": "^6.3.8",
     "@types/pino-multi-stream": "^5.1.1",
+    "@types/semver": "^7.3.5",
     "@types/tough-cookie": "^4.0.0",
     "pkg": "^5.1.0",
     "typescript": "^4.1.3"
@@ -30,6 +31,7 @@
     "pino-multi-stream": "^5.3.0",
     "pino-pretty": "^4.7.1",
     "progress": "^2.0.3",
-    "puppeteer": "^8.0.0"
+    "puppeteer": "^8.0.0",
+    "semver": "^7.3.5"
   }
 }

yarn.lock

@@ -91,6 +91,11 @@
     "@types/pino-std-serializers" "*"
     "@types/sonic-boom" "*"
 
+"@types/semver@^7.3.5":
+  version "7.3.5"
+  resolved "https://registry.yarnpkg.com/@types/semver/-/semver-7.3.5.tgz#74deebbbcb1e86634dbf10a5b5e8798626f5a597"
+  integrity sha512-iotVxtCCsPLRAvxMFFgxL8HD2l4mAZ2Oin7/VJ2ooWO0VOK4EGOGmZWZn1uCq7RofR3I/1IOSjCHlFT71eVK0Q==
+
 "@types/sonic-boom@*":
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/@types/sonic-boom/-/sonic-boom-0.7.0.tgz#38337036293992a1df65dd3161abddf8fb9b7176"