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backend/node_modules/@fastify/swagger-ui/lib/swagger-initializer.js

@@ -3,8 +3,11 @@
 const serialize = require('./serialize')
 
 function swaggerInitializer (opts) {
-  const logoBase64 = Buffer.from(opts.logo.content).toString('base64')
-  const logoData = `data:${opts.logo.type};base64,${logoBase64}`
+  const hasLogo = opts.logo && opts.logo.content !== undefined
+  const logoBase64 = hasLogo && Buffer.from(opts.logo.content).toString('base64')
+  const logoData = hasLogo && `data:${opts.logo.type};base64,${logoBase64}`
+  const logoHref = hasLogo && opts.logo.href
+  const logoTarget = hasLogo && opts.logo.target
 
   return `window.onload = function () {
     function waitForElement(selector) {
@@ -12,14 +15,14 @@ function swaggerInitializer (opts) {
           if (document.querySelector(selector)) {
               return resolve(document.querySelector(selector));
           }
-  
+
           const observer = new MutationObserver(mutations => {
               if (document.querySelector(selector)) {
                   observer.disconnect();
                   resolve(document.querySelector(selector));
               }
           });
-  
+
           // If you get "parameter 1 is not of type 'Node'" error, see https://stackoverflow.com/a/77855838/492336
           observer.observe(document.body, {
               childList: true,
@@ -28,10 +31,10 @@ function swaggerInitializer (opts) {
       });
     }
     function resolveUrl(url) {
-      var currentHref = window.location.href;
+      let currentHref = window.location.href;
       currentHref = currentHref.split('#', 1)[0];
       currentHref = currentHref.endsWith('/') ? currentHref : currentHref + '/';
-      var anchor = document.createElement('a');
+      const anchor = document.createElement('a');
       anchor.href = currentHref + url;
       return anchor.href
     }
@@ -55,17 +58,22 @@ function swaggerInitializer (opts) {
     });
 
     const ui = SwaggerUIBundle(resConfig)
-    const logoData = '${logoData}'
 
-    if (logoData && resConfig.layout === 'StandaloneLayout') {
+    ${logoData
+? `
+    if (resConfig.layout === 'StandaloneLayout') {
+      // Replace the logo
       waitForElement('#swagger-ui > section > div.topbar > div > div > a').then((link) => {
         const img = document.createElement('img')
         img.height = 40
-        img.src = logoData
+        img.src = '${logoData}'
+        ${logoHref ? `img.href = '${logoHref}'` : 'img.href = resolveUrl(\'/\')'}
+        ${logoTarget ? `img.target = '${logoTarget}'` : ''}
         link.innerHTML = ''
         link.appendChild(img)
       })
-    }
+    }`
+: ''}
 
     ui.initOAuth(${serialize(opts.initOAuth)})
   }`