Create scaffolding of YAML config

src/config/index.ts

@@ -0,0 +1,10 @@
+import fs from 'fs';
+import yaml from 'yaml';
+import { Config } from './types';
+
+export * from './types';
+
+export const parseConfig = (path: string): Config => {
+  const text = fs.readFileSync(path, 'utf8');
+  return yaml.parse(text);
+}

src/config/types.ts

@@ -0,0 +1,29 @@
+
+export type Config = {
+  /**
+   * Tauron service configuration
+   */
+  tauron: TauronConfig;
+};
+
+export type TauronConfig = {  
+  /**
+   * Path to file containing a username of Tauron account
+   */
+  usernamePath: string;
+
+  /**
+   * Path to file containing a password of Tauron account
+   */
+  passwordPath: string;
+
+  /**
+   * The measure point name - should be retrieved with browser dev-tools on website
+   */
+  point: string;  
+
+  /**
+   * The path to the json file with cookie jar 
+   */
+  cookiesJarPath?: string;
+};

src/tauron/index.ts

@@ -1,8 +1,10 @@
+import fs from 'fs';
 import axios, { Axios, AxiosResponse } from "axios";
 import { wrapper } from 'axios-cookiejar-support';
 import { CookieJar } from 'tough-cookie';
 import { FileCookieStore } from 'tough-cookie-file-store';
 import { EnergyDTO, EnergyRequestDTO, Payload, PowerDTO, PowerRequestDTO, ReadingDTO, ReadingRequestDTO } from "./types";
+import { TauronConfig } from '../config';
 
 export * from './types';
 
@@ -14,26 +16,19 @@ const READING_API = '/odczyty/api';
 
 /**
  * Utility class for Tauron API.
- * @param username - file containing a username of Tauron account
- * @param password - file containing a password of Tauron account
- * @param point - the measure point name - should be retrieved with browser dev-tools on website
- * @param cookiePath - the path to the json file with cookie jar
+ * @param config - configuration of service
  */
 export const Tauron = class {  
   #http: Axios;
-  #username: string;
-  #password: string;
-  #point: string;
+  #config: TauronConfig;
 
-  constructor(username: string, password: string, point: string, cookiePath = "./cookies.json") {
+  constructor(config: TauronConfig) {
     // TODO: It should be paths instead of raw credentials
-    this.#username = username;
-    this.#password = password;
-    this.#point = point;
+    this.#config = config;
 
     this.#http =  wrapper(axios.create({        
       baseURL: BASE_URL,
-      jar: new CookieJar(new FileCookieStore(cookiePath)),
+      jar: new CookieJar(new FileCookieStore(config.cookiesJarPath || './cookies.json')),
       headers: {
         'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/jxl,image/webp,image/png,image/svg+xml,*/*;q=0.8',
         'Accept-Language': 'en-US,en;q=0.5',
@@ -59,13 +54,13 @@ export const Tauron = class {
     await this.#http.get(LOGIN_API);
     
     await this.#http.postForm(LOGIN_API, {
-      username: this.#username,
-      password: this.#password,
+      username: fs.readFileSync(this.#config.usernamePath, 'utf8'),
+      password: fs.readFileSync(this.#config.passwordPath, 'utf8'),
       service: BASE_URL
     });
 
     await this.#http.postForm('/ustaw_punkt', {
-      "site[client]": this.#point,
+      "site[client]": this.#config.point,
       "page": "energy"
     });
   }