From bc01cde3c677cc4225afedea4a1cefc3c82d652c Mon Sep 17 00:00:00 2001
From: Ahad Birang <farnabaz@gmail.com>
Date: Thu, 6 Oct 2022 14:37:23 +0200
Subject: [PATCH] fix: ignore built content in preview mode

---
 src/runtime/composables/client-db.ts  |  6 ++++++
 src/runtime/preview/preview-plugin.ts | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/runtime/composables/client-db.ts b/src/runtime/composables/client-db.ts
index 9c2aa7429..67d4febf8 100644
--- a/src/runtime/composables/client-db.ts
+++ b/src/runtime/composables/client-db.ts
@@ -24,6 +24,12 @@ export function createDB (storage: Storage) {
     // Merge preview items
     const previewToken = getPreview()
     if (previewToken) {
+      // Ignore cache content if preview requires it
+      const previewMeta: any = await storage.getItem(`${previewToken}$`).then(data => data || {})
+      if (previewMeta.ignoreBuiltContents) {
+        keys.clear()
+      }
+
       const previewKeys = await storage.getKeys(`${previewToken}:`)
       const previewContents = await Promise.all(previewKeys.map(key => storage.getItem(key) as Promise<ParsedContent>))
       for (const pItem of previewContents) {
diff --git a/src/runtime/preview/preview-plugin.ts b/src/runtime/preview/preview-plugin.ts
index 28c6779ba..f405f5488 100644
--- a/src/runtime/preview/preview-plugin.ts
+++ b/src/runtime/preview/preview-plugin.ts
@@ -23,9 +23,19 @@ export default defineNuxtPlugin((nuxt) => {
 
     // Fill store with preview content
     const items = [
+      ...(data.files || []),
       ...data.additions,
       ...data.deletions.map(d => ({ ...d, parsed: { _id: d.path.replace(/\//g, ':'), __deleted: true } }))
     ]
+
+    // Set preview meta
+    window.localStorage.setItem(
+      `@content:${token}$`,
+      JSON.stringify({
+        ignoreBuiltContents: (data.files || []).length !== 0
+      })
+    )
+
     for (const item of items) {
       window.localStorage.setItem(`@content:${token}:${item.parsed._id}`, JSON.stringify(item.parsed))
     }