fix(search): replace stale records when saving an index (#2817)

src/plugins/search/search.js

@@ -20,7 +20,7 @@ db.version(1).stores({
   expires: 'key, value',
 });
 
-async function saveData(maxAge, expireKey) {
+async function saveData(maxAge, expireKey, indexKey) {
   const records = [];
 
   Object.values(INDEXES).forEach(entry => {
@@ -43,10 +43,15 @@ async function saveData(maxAge, expireKey) {
   });
 
   INDEXES = records;
-  await /** @type {any} */ (db).search.bulkPut(records);
-  await /** @type {any} */ (db).expires.put({
-    key: expireKey,
-    value: Date.now() + maxAge,
+  const searchTable = db.table('search');
+  const expiresTable = db.table('expires');
+  await db.transaction('rw', searchTable, expiresTable, async () => {
+    await searchTable.where({ indexKey }).delete();
+    await searchTable.bulkPut(records);
+    await expiresTable.put({
+      key: expireKey,
+      value: Date.now() + maxAge,
+    });
   });
 }
 
@@ -449,7 +454,7 @@ export async function init(config, vm) {
 
   const markComplete = async () => {
     if (len === ++count) {
-      await saveData(config.maxAge, expireKey);
+      await saveData(config.maxAge, expireKey, indexKey);
     }
   };
 

test/e2e/search.test.js

@@ -340,6 +340,67 @@ test.describe('Search Plugin Tests', () => {
     await expect(resultsHeadingElm).toHaveText('EmptyContent');
   });
 
+  test('does not restore deleted sections after rebuilding an expired cache', async ({
+    page,
+  }) => {
+    const options = {
+      config: {
+        search: { paths: ['/'], namespace: 'cache-refresh', maxAge: -1 },
+      },
+      markdown: { homepage: '# Obsolete\n\nretiredkeyword' },
+      scriptURLs: ['/dist/plugins/search.js'],
+    };
+    const searchField = page.locator('input[type=search]');
+    const results = page.locator('.results-panel .title');
+
+    await docsifyInit(options);
+    await searchField.fill('retiredkeyword');
+    await expect(results).toHaveText('Obsolete');
+
+    options.config.search.maxAge = 60000;
+    options.markdown.homepage = '# Current\n\ncurrentkeyword';
+    await docsifyInit(options);
+    await searchField.fill('currentkeyword');
+    await expect(results).toHaveText('Current');
+    await searchField.fill('retiredkeyword');
+    await expect(page.getByText('No Results!', { exact: true })).toBeVisible();
+
+    await docsifyInit(options);
+    await searchField.fill('currentkeyword');
+    await expect(results).toHaveText('Current');
+    await searchField.fill('retiredkeyword');
+    await expect(page.getByText('No Results!', { exact: true })).toBeVisible();
+  });
+
+  test('preserves another namespace when saving a search index', async ({
+    page,
+  }) => {
+    const otherSite = {
+      config: { search: { paths: ['/'], namespace: 'other-site' } },
+      markdown: { homepage: '# Other site\n\nprotectedkeyword' },
+      scriptURLs: ['/dist/plugins/search.js'],
+    };
+    const searchField = page.locator('input[type=search]');
+    const results = page.locator('.results-panel .title');
+
+    await docsifyInit(otherSite);
+    await searchField.fill('protectedkeyword');
+    await expect(results).toHaveText('Other site');
+
+    await docsifyInit({
+      config: { search: { paths: ['/'], namespace: 'current-site' } },
+      markdown: { homepage: '# Current site\n\ncurrentkeyword' },
+      scriptURLs: ['/dist/plugins/search.js'],
+    });
+    await searchField.fill('currentkeyword');
+    await expect(results).toHaveText('Current site');
+
+    otherSite.markdown.homepage = '# Changed\n\nchangedkeyword';
+    await docsifyInit(otherSite);
+    await searchField.fill('protectedkeyword');
+    await expect(results).toHaveText('Other site');
+  });
+
   test('keeps saving index when one auto path request fails with cached records', async ({
     page,
   }) => {