From 2103c2b6dbffd694dd7e1f59610cb981654ff99b Mon Sep 17 00:00:00 2001
From: JackXie60 <1809697652@qq.com>
Date: Sun, 21 Aug 2022 13:14:08 +0800
Subject: [PATCH 1/3] feat:homework2

---
 lib/db.js    | 55 ++++++++++++++++++++++++++++++++++++++++++-------
 package.json |  3 +++
 test/test.js | 58 +++++++++++++++++++++-------------------------------
 3 files changed, 74 insertions(+), 42 deletions(-)

diff --git a/lib/db.js b/lib/db.js
index a1fe32c..0117d10 100644
--- a/lib/db.js
+++ b/lib/db.js
@@ -1,13 +1,54 @@
-const Tapable = require('tapable')
+const {AsyncSeriesWaterfallHook, SyncWaterfallHook, SyncHook} = require('tapable')
 
-class DB extends Tapable {
-  constructor() {
+class DB {
+  constructor(options) {
     // TODO
+    this.options = options || {};
+    this.hooks = {
+      endpointHooks: new AsyncSeriesWaterfallHook(['options']),
+      optionHooks: new SyncWaterfallHook(['options']),
+      judgeHooks: new SyncWaterfallHook(['resValue']) 
+    }
+    
+    this.plugin = function(pluginName, fn) {
+      if(pluginName === 'endpoint') {
+        this.hooks.endpointHooks.tapPromise(pluginName, fn)
+      } else if(pluginName === 'options') {
+        this.hooks.optionHooks.tap(pluginName, fn)
+      } else if(pluginName === 'judge') {
+        this.hooks.judgeHooks.tap(pluginName, fn)
+      }
+    }
   }
 
-  request() {
-    // TODO
+  request(options) {
+    this.addOptions(options)
+    return this.hooks.endpointHooks.promise(this.options).then(res=>{
+      const isJudge = this.judge(res);
+      if(!isJudge) {
+        return res;
+      } 
+      return Promise.reject(res);
+    })
+  }
+
+  addOptions(options) {
+    const totalOptions = this.options
+    if(options) {
+      for(let key in options) {
+        totalOptions[key] = options[key]
+      }
+    }
+    this.options = this.hooks.optionHooks.call(totalOptions)
   }
-}
 
-module.exports = DB
\ No newline at end of file
+  judge(res) {
+    let isJudged = this.hooks.judgeHooks.call(res);
+    if(isJudged !== true) {
+      isJudged = false
+    }
+    return isJudged;
+  }
+  
+}
+module.exports = DB;
\ No newline at end of file
diff --git a/package.json b/package.json
index 94bd5ff..fa2c14e 100644
--- a/package.json
+++ b/package.json
@@ -26,5 +26,8 @@
     "karma-webpack": "^2.0.4",
     "mocha": "^3.5.0",
     "webpack": "^3.5.3"
+  },
+  "dependencies": {
+    "tapable": "^1.1.1"
   }
 }
diff --git a/test/test.js b/test/test.js
index f8fecbb..6c849d5 100644
--- a/test/test.js
+++ b/test/test.js
@@ -39,28 +39,22 @@ describe('DB', function () {
     class AA extends DB {
       constructor(options) {
         super(options)
-        this.plugin('endpoint', function (options) {
-          if (options.type === 1) {
-            return new Promise((resolve) => {
-              setTimeout(() => {
-                resolve({ retcode: 1, msg: 'logout' })
-              }, 0)
-            })
-          }
-        })
-        this.plugin('endpoint', function (options) {
-          if (options.type === 0) {
-            return new Promise((resolve) => {
+
+        this.plugin('endpoint', (options) => {
+          return new Promise((resolve) => {
+            if (options.type === 1) {
               setTimeout(() => {
-                resolve({ retcode: 0, res: { msg: 'hello world' } })
-              }, 0)
-            })
-          }
-        })
+                resolve({ retcode: 1 });
+              }, 0);
+            }
+            if (options.type === 0) {
+              resolve({ retcode: 0 });
+            }
+          });
+        });
       }
-    }
-
-    const aa = new AA
+    }    
+    const aa = new AA()
     // 如果 options.type === 1，则返回第一个答案
     aa.request({ type: 1 })
       .then(res => {
@@ -153,22 +147,16 @@ describe('DB', function () {
       constructor(options) {
         super(options)
         this.plugin('endpoint', function (options) {
-          if (options.type === 1) {
-            return new Promise((resolve) => {
-              setTimeout(() => {
-                resolve({ retcode: 1, msg: 'logout' })
-              }, 0)
-            })
-          }
-        })
-        this.plugin('endpoint', function (options) {
-          if (options.type === 0) {
-            return new Promise((resolve) => {
+          return new Promise((resolve) => {
+            if (options.type === 1) {
               setTimeout(() => {
-                resolve({ retcode: 0, res: { msg: 'hello world' } })
-              }, 0)
-            })
-          }
+                resolve({ retcode: 1, msg: 'logout' });
+              }, 0);
+            }
+            if (options.type === 0) {
+              resolve({ retcode: 0, res: { msg: 'hello world' } })
+            }
+          });
         })
 
         this.plugin('judge', function (res) {

From 7146067075b6078fd208dfd93df8cb6c7bac949b Mon Sep 17 00:00:00 2001
From: JackXie60 <1809697652@qq.com>
Date: Sun, 21 Aug 2022 17:22:45 +0800
Subject: [PATCH 2/3] =?UTF-8?q?feat:=E6=8F=92=E4=BB=B6=E7=B3=BB=E7=BB=9F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 lib/db.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/db.js b/lib/db.js
index 0117d10..9e5c1b2 100644
--- a/lib/db.js
+++ b/lib/db.js
@@ -26,7 +26,7 @@ class DB {
     return this.hooks.endpointHooks.promise(this.options).then(res=>{
       const isJudge = this.judge(res);
       if(!isJudge) {
-        return res;
+        return res
       } 
       return Promise.reject(res);
     })

From 8a530f494e7f0f216e26929a9ce18954f57cae79 Mon Sep 17 00:00:00 2001
From: JackXie60 <1809697652@qq.com>
Date: Sun, 21 Aug 2022 17:51:35 +0800
Subject: [PATCH 3/3] =?UTF-8?q?fix:=E6=B7=BB=E5=8A=A0=E4=BE=9D=E8=B5=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package.json b/package.json
index fa2c14e..c41914a 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "webpack": "^3.5.3"
   },
   "dependencies": {
+    "puppeteer": "^16.2.0",
     "tapable": "^1.1.1"
   }
 }