add library husky, dotenv and minor changes

- add new task in deno.jsonc
- add new dependencies in deps.ts
- use environment in services Scraper and Server
- add new script in /tools
- create types declarations in /@types
- add new files: .gitignore, .env.template

.env.template

@@ -0,0 +1,3 @@
+HOST=
+PORT=
+URL_GETONBRD=

.gitignore

@@ -0,0 +1,8 @@
+# FOLDERS
+.husky/
+.vscode/
+!.vscode/settings.json
+!.vscode/extensions.json
+
+# FILES
+.env

.vscode/settings.json

@@ -1,10 +1,11 @@
 {
   "deno.enable": true,
+  "deno.unstable": false,
+  "deno.config": "./deno.jsonc",
   "editor.formatOnSave": true,
   "[typescript]": {
     "editor.defaultFormatter": "denoland.vscode-deno"
   },
-  "deno.config": "./deno.jsonc",
   "thunder-client.saveToWorkspace": true,
   "discord.enabled": true
 }

deno.jsonc

@@ -2,12 +2,14 @@
   "tasks": {
     "dev": "deno run --watch --allow-net src/main.ts",
     "scrape": "deno run --allow-net --allow-write ./src/scraping/jobs.ts",
-    "update-lock": "deno cache --lock=deno.lock --lock-write src/deps.ts"
+    "update-lock": "deno cache --lock=deno.lock --lock-write src/deps.ts",
+    "prepare-husky": "deno run --allow-env --allow-read --allow-write --allow-run ./tools/prepare-husky.ts"
   },
   "fmt": {
     "files": {
       "include": [
-        "src/"
+        "src/",
+        "test/"
       ]
     },
     "options": {

src/@types/index.d.ts

@@ -0,0 +1,8 @@
+type TJob = {
+	title: string;
+	role: string;
+	time: string;
+	companyName: string;
+	location: string;
+	url: string;
+};

src/deps.ts

@@ -1,3 +1,5 @@
+export * from 'npm:husky';
 export * from 'https://deno.land/x/[email protected]/mod.ts';
 export * from 'https://esm.sh/[email protected]';
+export { load as LoadEnv } from 'https://deno.land/std/dotenv/mod.ts';
 // export * from 'https://deno.land/x/[email protected]/mod.ts';

src/main.ts

@@ -1,6 +1,8 @@
 import { Server } from './services/Server.service.ts';
+import { LoadEnv } from './deps.ts';
 
 try {
+	await LoadEnv();
 	const server = new Server();
 
 	server.run();

src/scraping/jobs.ts

@@ -1,17 +1,8 @@
 import { ScraperService } from '../services/Scraper.service.ts';
 import { Cheerio, CheerioAPI, Element } from '../deps.ts';
 
-interface Job {
-	title: string;
-	role: string;
-	time: string;
-	companyName: string;
-	location: string;
-	url: string;
-}
-
 export async function scrapeJobs(): Promise<void> {
-	const scraper = new ScraperService('https://www.getonbrd.com');
+	const scraper = new ScraperService();
 	const $ = await scraper.execute('/empleos/programacion');
 
 	const jobsResultList = $(
@@ -26,7 +17,7 @@ export async function scrapeJobs(): Promise<void> {
 const getDataJobs = (
 	jobsResultList: Cheerio<Element>,
 	$: CheerioAPI,
-): Job[] => {
+): TJob[] => {
 	const jobs = $(jobsResultList).map((_i: number, el: Element) => {
 		let elCheerio = $(el);
 		elCheerio = elCheerio.children('a');

src/services/Scraper.service.ts

@@ -1,15 +1,12 @@
 import { CheerioAPI, load } from '../deps.ts';
 
 export class ScraperService {
-	private baseUrl: string;
-
-	constructor(baseUrl: string) {
-		this.baseUrl = baseUrl;
-	}
-
 	public async execute(path: string): Promise<CheerioAPI> {
+		const baseUrl: string | undefined = Deno.env.get('URL_GETONBRD');
+		if (!baseUrl) throw new Error('Evironment "URL_GETONBRD" not found');
+
 		const pathname: string = path.startsWith('/') ? path : `/${path}`;
-		const response = await fetch(this.baseUrl + pathname);
+		const response = await fetch(baseUrl + pathname);
 		const html: string = await response.text();
 		const $ = load(html);
 		return $;

src/services/Server.service.ts

@@ -25,8 +25,10 @@ export class Server {
 	}
 
 	public run(): void {
-		const port = 8000;
-		this.app.listen({ hostname: '0.0.0.0', port });
+		const hostname: string = Deno.env.get('HOST') || 'localhost';
+		const port: number = Number(Deno.env.get('PORT')) || 8000;
+
+		this.app.listen({ hostname, port });
 		console.log(`Sever listening on port ${port}`);
 	}
 }

tools/prepare-husky.ts

@@ -0,0 +1,5 @@
+import { install, set } from '../src/deps.ts';
+
+install();
+
+set('.husky/pre-commit', 'deno task update-lock && deno fmt && deno lint');