fix(embed): scope cached includes to their page context

Author: Your Name

src/core/render/embed.js

@@ -132,7 +132,12 @@ function walkFetchEmbed({ embedTokens, compile, fetch, frontMatter }, cb) {
 }
 
 export function prerenderEmbed({ compiler, raw = '', fetch }, done) {
-  const hit = cached[raw];
+  const cacheKey = JSON.stringify([
+    compiler.contentBase,
+    compiler.router.getCurrentPath(),
+    raw,
+  ]);
+  const hit = cached[cacheKey];
   if (hit) {
     const copy = hit.slice();
     copy.links = hit.links;
@@ -271,8 +276,8 @@ export function prerenderEmbed({ compiler, raw = '', fetch }, done) {
           }
         }
       } else if (!token) {
-        cached[raw] = tokens.concat();
-        tokens.links = cached[raw].links = links;
+        cached[cacheKey] = tokens.concat();
+        tokens.links = cached[cacheKey].links = links;
         done(tokens);
       }
     },

test/e2e/embed.test.js

@@ -0,0 +1,31 @@
+import docsifyInit from '../helpers/docsify-init.js';
+import { test, expect } from './fixtures/docsify-init-fixture.js';
+
+test('resolves identical includes relative to each page directory', async ({
+  page,
+}) => {
+  const markdown = '# Example\n\n[snippet](snippet.js ":include :type=code")';
+
+  await docsifyInit({
+    markdown: {
+      homepage: '# Home',
+      sidebar: '- [First](first/)\n- [Second](second/)',
+    },
+    routes: {
+      '/first/README.md': markdown,
+      '/second/README.md': markdown,
+      '/first/snippet.js': 'const example = "first";',
+      '/second/snippet.js': 'const example = "second";',
+    },
+  });
+
+  const sidebar = page.locator('.sidebar-nav');
+  const code = page.locator('#main pre code');
+
+  await sidebar.getByRole('link', { name: 'First', exact: true }).click();
+  await expect(code).toHaveText('const example = "first";');
+  await sidebar.getByRole('link', { name: 'Second', exact: true }).click();
+  await expect(code).toHaveText('const example = "second";');
+  await sidebar.getByRole('link', { name: 'First', exact: true }).click();
+  await expect(code).toHaveText('const example = "first";');
+});