fix(transformers): add slash at end of path if missing

plugins/techdocs/src/reader/transformers/addBaseUrl.test.ts

@@ -62,7 +62,7 @@ describe('addBaseUrl', () => {
     ]);
   });
 
-  it('includes path option', () => {
+  it('includes path option without slash', () => {
     const shadowDom = createTestShadowDom(FIXTURES.FIXTURE_STANDARD_PAGE, {
       transformers: [
         addBaseUrl({
@@ -86,4 +86,29 @@ describe('addBaseUrl', () => {
       'https://example-host.storage.googleapis.com/example-docs/examplepath/assets/javascripts/vendor.d710d30a.min.js',
     ]);
   });
+
+  it('includes path option with slash', () => {
+    const shadowDom = createTestShadowDom(FIXTURES.FIXTURE_STANDARD_PAGE, {
+      transformers: [
+        addBaseUrl({
+          docStorageURL: DOC_STORAGE_URL,
+          componentId: 'example-docs',
+          path: 'examplepath/',
+        }),
+      ],
+    });
+
+    expect(getSample(shadowDom, 'img', 'src')).toEqual([
+      'https://example-host.storage.googleapis.com/example-docs/examplepath/img/win-py-install.png',
+      'https://example-host.storage.googleapis.com/example-docs/examplepath/img/initial-layout.png',
+    ]);
+    expect(getSample(shadowDom, 'link', 'href')).toEqual([
+      'https://www.mkdocs.org/',
+      'https://example-host.storage.googleapis.com/example-docs/examplepath/assets/images/favicon.png',
+    ]);
+    expect(getSample(shadowDom, 'script', 'src')).toEqual([
+      'https://www.google-analytics.com/analytics.js',
+      'https://example-host.storage.googleapis.com/example-docs/examplepath/assets/javascripts/vendor.d710d30a.min.js',
+    ]);
+  });
 });

plugins/techdocs/src/reader/transformers/addBaseUrl.ts

@@ -37,8 +37,11 @@ export const addBaseUrl = ({
         .filter(elem => !!elem.getAttribute(attributeName))
         .forEach((elem: T) => {
           const urlFormatter = new URLFormatter(
-            `${docStorageURL}/${componentId}/${path}`,
+            path.length < 1 || path.endsWith('/')
+              ? `${docStorageURL}/${componentId}/${path}`
+              : `${docStorageURL}/${componentId}/${path}/`,
           );
+
           elem.setAttribute(
             attributeName,
             urlFormatter.formatURL(elem.getAttribute(attributeName)!),