From 43069722744822853dbc459aea5ab5a4b8bd924f Mon Sep 17 00:00:00 2001
From: Xavier Foucrier <xavier.foucrier@gmail.com>
Date: Mon, 31 Jul 2023 11:22:33 +0200
Subject: [PATCH 1/3] feat(core): :sparkles: add `cacheFirstPage` option

---
 packages/core/src/core.ts       | 4 ++++
 packages/core/src/defs/barba.ts | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/packages/core/src/core.ts b/packages/core/src/core.ts
index cf9bc831..ca8ee06e 100644
--- a/packages/core/src/core.ts
+++ b/packages/core/src/core.ts
@@ -74,6 +74,7 @@ export class Core {
    */
   public timeout: number;
   public cacheIgnore: IgnoreOption;
+  public cacheFirstPage: boolean;
   public prefetchIgnore: IgnoreOption;
   public preventRunning: boolean;
   /**
@@ -140,6 +141,7 @@ export class Core {
    * - schema: [[SchemaAttribute]]
    * - timeout: `2e3`
    * - cacheIgnore: `false`
+   * - cacheFirstPage: `false`
    * - prefetchIgnore: `false`
    * - preventRunning: `false`
    * - prevent: `null`,
@@ -154,6 +156,7 @@ export class Core {
       requestError,
       timeout = 2e3,
       cacheIgnore = false,
+      cacheFirstPage = false,
       prefetchIgnore = false,
       /* istanbul ignore next */
       preventRunning = false,
@@ -178,6 +181,7 @@ export class Core {
     this._requestCustomError = requestError;
     this.timeout = timeout;
     this.cacheIgnore = cacheIgnore;
+    this.cacheFirstPage = cacheFirstPage;
     this.prefetchIgnore = prefetchIgnore;
     this.preventRunning = preventRunning;
 
diff --git a/packages/core/src/defs/barba.ts b/packages/core/src/defs/barba.ts
index 03c12014..e7823f6a 100644
--- a/packages/core/src/defs/barba.ts
+++ b/packages/core/src/defs/barba.ts
@@ -27,6 +27,8 @@ export interface IBarbaOptions {
   requestError?: RequestCustomError | undefined;
   /** Disable cache or ignore some routes. */
   cacheIgnore?: IgnoreOption;
+  /** Disable cache on the first rendered page. */
+  cacheFirstPage?: boolean;
   /** Disable prefetch or ignore routes. */
   prefetchIgnore?: IgnoreOption;
   /** Custom prevent check. */

From 53fc9c7672a8b2ed58d0367e191cdfa175f05551 Mon Sep 17 00:00:00 2001
From: Xavier Foucrier <xavier.foucrier@gmail.com>
Date: Mon, 31 Jul 2023 11:25:09 +0200
Subject: [PATCH 2/3] imp(core): :sparkles: use new option to prevent caching
 first rendered page

---
 packages/core/src/core.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/core/src/core.ts b/packages/core/src/core.ts
index ca8ee06e..1d2609ce 100644
--- a/packages/core/src/core.ts
+++ b/packages/core/src/core.ts
@@ -220,10 +220,12 @@ export class Core {
     this.history.init(current.url.href, current.namespace);
 
     // 6. Add to cache
-    this.cache.set(current.url.href, Promise.resolve({
-      html: current.html,
-      url: current.url,
-    }), 'init', 'fulfilled');
+    if (cacheFirstPage) {
+      this.cache.set(current.url.href, Promise.resolve({
+        html: current.html,
+        url: current.url,
+      }), 'init', 'fulfilled');
+    }
 
     // 7. Bind context
     this._onLinkEnter = this._onLinkEnter.bind(this);

From b745e97562611b97417ceed4c7eb98edc5a055cd Mon Sep 17 00:00:00 2001
From: Xavier Foucrier <xavier.foucrier@gmail.com>
Date: Tue, 1 Aug 2023 13:39:49 +0200
Subject: [PATCH 3/3] test(core): :white_check_mark: test `cacheFirstPage`
 option

---
 packages/core/__tests__/core/core.init.test.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/core/__tests__/core/core.init.test.ts b/packages/core/__tests__/core/core.init.test.ts
index c3a0ce15..ee3cd992 100644
--- a/packages/core/__tests__/core/core.init.test.ts
+++ b/packages/core/__tests__/core/core.init.test.ts
@@ -122,3 +122,11 @@ it('has other options', () => {
   expect(requestError()).toBeFalsy();
   expect(barba.wrapper).toBe(wrapper);
 });
+
+it('cache the first rendered page', () => {
+  barba.init({
+    cacheFirstPage: true,
+  });
+
+  expect(barba.cache.has('http://localhost/')).toBeTruthy();
+});