Added attribute "allow-server-selection" to the rapi-doc component

Author: FlaxHaxx

docs/index.html

@@ -333,6 +333,15 @@ <h2> Attributes</h2>
               <td>true</td>
             </tr>
 
+            <tr>
+              <td class="mono-bold right">allow-server-selection</td>
+              <td class="gray">
+                If set to 'false', user will not be able to select API server.
+                The URL specified in the server-url attribute will be used if set, else the first server in the API specification file will be used.
+              </td>
+              <td>true</td>
+            </tr>
+
             <tr>
               <td class="mono-bold right">show-info</td>
               <td class="gray">

docs/rapidoc-min.js

@@ -333,6 +333,15 @@ <h2> Attributes</h2>
               <td>true</td>
             </tr>
 
+            <tr>
+              <td class="mono-bold right">allow-server-selection</td>
+              <td class="gray">
+                If set to 'false', user will not be able to select API server.
+                The URL specified in the server-url attribute will be used if set, else the first server in the API specification file will be used.
+              </td>
+              <td>true</td>
+            </tr>
+
             <tr>
               <td class="mono-bold right">show-info</td>
               <td class="gray">

docs/welcome.html

@@ -198,7 +198,7 @@ export default class RapiDoc extends LitElement {
         </div>`
         }
 
-        ${(this.allowTry === 'false' || !this.resolvedSpec) ? '' : this.apiServerListTemplate()} 
+        ${(this.allowTry === 'false' || this.allowServerSelection === 'false' || !this.resolvedSpec) ? '' : this.apiServerListTemplate()} 
         ${(this.allowAuthentication === 'false' || !this.resolvedSpec || !this.resolvedSpec.securitySchemes) ? '' : this.securitySchemeTemplate()}
         ${this.resolvedSpec && this.resolvedSpec.tags ? this.endpointsGroupedByTagTemplate() : ''}
 
@@ -340,6 +340,7 @@ export default class RapiDoc extends LitElement {
       showInfo: { type: String, attribute: 'show-info' },
       allowAuthentication: { type: String, attribute: 'allow-authentication' },
       allowTry: { type: String, attribute: 'allow-try' },
+      allowServerSelection: { type: String, attribute: 'allow-server-selection' },
       allowSpecUrlLoad: { type: String, attribute: 'allow-spec-url-load' },
       allowSpecFileLoad: { type: String, attribute: 'allow-spec-file-load' },
       allowSearch: { type: String, attribute: 'allow-search' },
@@ -436,6 +437,13 @@ export default class RapiDoc extends LitElement {
 
   afterSpecParsedAndValidated(spec) {
     this.resolvedSpec = spec;
+    if (this.allowServerSelection === 'false') {
+      if (this.serverUrl) {
+        this.selectedServer = this.serverUrl;
+      } else if (this.resolvedSpec && this.resolvedSpec.servers && this.resolvedSpec.servers.length > 0) {
+        this.selectedServer = this.resolvedSpec.servers[0].url;
+      }
+    }
     this.requestUpdate();
     window.setTimeout(() => {
       this.onApiServerChange();