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envelope-generator-ui/src/app/services/url.service.ts

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+import { Injectable, Inject, inject } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
+import { Meta } from '@angular/platform-browser';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class UrlService {
+  document: Document;
+  meta: Meta;
+  
+  constructor() {
+    this.document = inject(DOCUMENT)
+    this.meta = inject(Meta)
+  }
+
+  getBaseHref(): string {
+    const baseElement = this.document.querySelector('base');
+    return baseElement?.getAttribute('href') || '/';
+  }
+
+  getApiUrl(): string | null {
+    const apiMetaTag = this.meta.getTag('name="api-url"');
+    return apiMetaTag ? apiMetaTag.content : null;
+  }
+}