From c99e2545a1b9fceb182dfd8e79db31d068f9c05a Mon Sep 17 00:00:00 2001
From: purocean <purocean@gmail.com>
Date: Mon, 14 Jun 2021 13:40:21 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20DEMO=20=E5=A2=9E=E5=8A=A0=E7=BC=93?=
 =?UTF-8?q?=E5=AD=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/src/demo.ts | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/frontend/src/demo.ts b/frontend/src/demo.ts
index 888699a9..f1cc0eed 100644
--- a/frontend/src/demo.ts
+++ b/frontend/src/demo.ts
@@ -4,6 +4,7 @@ import file from './useful/file'
 
 if (FLAG_DEMO) {
   const xFetch = window.fetch
+  const cache: {[key: string]: string} = {}
 
   file.upload = (repo, path, fileData: File) => Promise.resolve({
     repo,
@@ -58,14 +59,26 @@ if (FLAG_DEMO) {
         if (method === 'POST') {
           return Promise.resolve({ status: 'ok', message: '保存成功' })
         } else if (method === 'GET') {
-          return xFetch('/' + (url.searchParams.get('doc') || 'FEATURES.md')).then(res => res.text()).then(md => ({
+          const path = '/' + (url.searchParams.get('doc') || 'FEATURES.md')
+          const data = {
             status: 'ok',
             message: '获取成功',
             data: {
-              content: md,
+              content: '',
               hash: 'test'
             }
-          }))
+          }
+
+          if (cache[path]) {
+            data.data.content = cache[path]
+            return Promise.resolve(data)
+          }
+
+          return xFetch(path).then(res => res.text()).then(md => {
+            cache[path] = md
+            data.data.content = md
+            return data
+          })
         }
       }