fix: don't show download button if initialized with an object

Author: RomanHotsiy

lib/components/ApiInfo/api-info.html

@@ -1,6 +1,6 @@
 <div class="api-info-wrapper">
   <h1>{{info.title}} <span class="api-info-version">({{info.version}})</span></h1>
-  <p>
+  <p class="donwload-openapi" *ngIf="specUrl">
     Download OpenAPI (fka Swagger) specification:
     <a class="openapi-button" target="_blank" attr.href='{{specUrl}}'> Download </a>
   </p>

lib/components/ApiInfo/api-info.ts

@@ -23,7 +23,7 @@ export class ApiInfo extends BaseComponent implements OnInit {
 
   init() {
     this.info = this.componentSchema.info;
-    this.specUrl = this.optionsService.options.specUrl;
+    this.specUrl = this.specMgr.specUrl;
     if (!isNaN(parseInt(this.info.version.toString().substring(0, 1)))) {
       this.info.version = 'v' + this.info.version;
     }

lib/utils/spec-manager.ts

@@ -32,7 +32,7 @@ export class SpecManager {
   public basePath: string;
 
   public spec = new BehaviorSubject<any|null>(null);
-  public _specUrl: string;
+  public specUrl: string;
   private parser: any;
   private options: Options;
 
@@ -46,7 +46,7 @@ export class SpecManager {
       this.parser.bundle(urlOrObject, {http: {withCredentials: false}})
       .then(schema => {
         if (typeof urlOrObject === 'string') {
-          this._specUrl = urlOrObject;
+          this.specUrl = urlOrObject;
         }
         this._schema = snapshot(schema);
         try {
@@ -64,7 +64,7 @@ export class SpecManager {
 
   /* calculate common used values */
   init() {
-    let urlParts = this._specUrl ? urlParse(urlResolve(window.location.href, this._specUrl)) : {};
+    let urlParts = this.specUrl ? urlParse(urlResolve(window.location.href, this.specUrl)) : {};
     let schemes = this._schema.schemes;
     let protocol;
     if (!schemes || !schemes.length) {

tests/unit/SpecManager.spec.ts

@@ -46,21 +46,21 @@ describe('Utils', () => {
 
       it('should substitute api scheme when spec schemes are undefined', () => {
         specMgr._schema.schemes = undefined;
-        specMgr._specUrl = 'https://petstore.swagger.io/v2';
+        specMgr.specUrl = 'https://petstore.swagger.io/v2';
         specMgr.init();
         specMgr.apiUrl.should.be.equal('https://petstore.swagger.io/v2');
       });
 
       it('should substitute api host when spec host is undefined', () => {
         specMgr._schema.host = undefined;
-        specMgr._specUrl = 'http://petstore.swagger.io/v2';
+        specMgr.specUrl = 'http://petstore.swagger.io/v2';
         specMgr.init();
         specMgr.apiUrl.should.be.equal('http://petstore.swagger.io/v2');
       });
 
       it('should use empty basePath when basePath is not present', () => {
         specMgr._schema.basePath = undefined;
-        specMgr._specUrl = 'https://petstore.swagger.io';
+        specMgr.specUrl = 'https://petstore.swagger.io';
         specMgr.init();
         specMgr.basePath.should.be.equal('');
       });