feat: implémentation d'un Flux RSS

package-lock.json

 {
-  "name": "tutoriel-typescript-rss",
+  "name": "flux-articles-console",
+  "version": "0.0.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
+      "name": "flux-articles-console",
+      "version": "0.0.1",
+      "license": "GPL-3.0-or-later",
+      "dependencies": {
+        "rss-parser": "^3.12.0"
+      },
       "devDependencies": {
         "typescript": "^4.5.5"
       }
     },
+    "node_modules/entities": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-2.2.0.tgz",
+      "integrity": "sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==",
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
+    "node_modules/rss-parser": {
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/rss-parser/-/rss-parser-3.12.0.tgz",
+      "integrity": "sha512-aqD3E8iavcCdkhVxNDIdg1nkBI17jgqF+9OqPS1orwNaOgySdpvq6B+DoONLhzjzwV8mWg37sb60e4bmLK117A==",
+      "dependencies": {
+        "entities": "^2.0.3",
+        "xml2js": "^0.4.19"
+      }
+    },
+    "node_modules/sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
     "node_modules/typescript": {
       "version": "4.5.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
@@ -20,14 +49,67 @@
       "engines": {
         "node": ">=4.2.0"
       }
+    },
+    "node_modules/xml2js": {
+      "version": "0.4.23",
+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.23.tgz",
+      "integrity": "sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==",
+      "dependencies": {
+        "sax": ">=0.6.0",
+        "xmlbuilder": "~11.0.0"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
+    "node_modules/xmlbuilder": {
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
+      "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==",
+      "engines": {
+        "node": ">=4.0"
+      }
     }
   },
   "dependencies": {
+    "entities": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-2.2.0.tgz",
+      "integrity": "sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A=="
+    },
+    "rss-parser": {
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/rss-parser/-/rss-parser-3.12.0.tgz",
+      "integrity": "sha512-aqD3E8iavcCdkhVxNDIdg1nkBI17jgqF+9OqPS1orwNaOgySdpvq6B+DoONLhzjzwV8mWg37sb60e4bmLK117A==",
+      "requires": {
+        "entities": "^2.0.3",
+        "xml2js": "^0.4.19"
+      }
+    },
+    "sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
     "typescript": {
       "version": "4.5.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
       "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
       "dev": true
+    },
+    "xml2js": {
+      "version": "0.4.23",
+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.23.tgz",
+      "integrity": "sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==",
+      "requires": {
+        "sax": ">=0.6.0",
+        "xmlbuilder": "~11.0.0"
+      }
+    },
+    "xmlbuilder": {
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
+      "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA=="
     }
   }
 }

package.json

@@ -10,5 +10,8 @@
     "test": "echo \"TODO: tests unitaires\" && exit 1"
   },
   "author": "Jules Sagot--Gentil",
-  "license": "GPL-3.0-or-later"
+  "license": "GPL-3.0-or-later",
+  "dependencies": {
+    "rss-parser": "^3.12.0"
+  }
 }

src/article.ts

+import Parser from 'rss-parser';
+
 export interface Article {
   affiche(sortie: WritableStream): void;
   egal(autreArticle: Article): boolean;
 }
+
+export class ArticleRSS implements Article {
+  constructor(item: Parser.Item) {};
+
+  affiche(sortie: WritableStream) {};
+
+  egal(autreArticle: Article) { return false };
+}

src/flux.ts

-import { Article } from './article'
+import Parser from 'rss-parser';
+
+import { Article, ArticleRSS } from './article'
 
 export interface Flux {
   getArticles(): Promise<Article[]>;
 }
+
+export class FluxRSS implements Flux {
+  private articles: Promise<Article[]>;
+  private rssParser = new Parser();
+
+  constructor(url: string) {
+    this.articles = this.getArticlesFromUrl(url);
+  }
+
+  public getArticles(): Promise<Article[]> {
+    return this.articles;
+  }
+
+  private async getArticlesFromUrl(url: string): Promise<Article[]> {
+    const feed = await this.rssParser.parseURL(url);
+    return feed.items.map((item) => new ArticleRSS(item));
+  };
+}