From 7edc30febe994d5106d04d6904bd1be7aaccb4e4 Mon Sep 17 00:00:00 2001
From: xiaoquan <xiaoquan@qunhemail.com>
Date: Sun, 21 Aug 2022 17:55:42 +0800
Subject: [PATCH 1/2] complete homework2

---
 lib/db.js | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/lib/db.js b/lib/db.js
index a1fe32c..e136e7c 100644
--- a/lib/db.js
+++ b/lib/db.js
@@ -1,12 +1,31 @@
 const Tapable = require('tapable')
 
 class DB extends Tapable {
-  constructor() {
+  constructor(options) {
     // TODO
+    super();
+    // this.options = Object.assign(options)
+    this.options = options;
   }
 
-  request() {
+  request(params = {}) {
     // TODO
+    // 设置options插件
+    let options = this.applyPluginsWaterfall('options', this.options) || {};
+
+    return new Promise((resolve, reject) => {
+      this.applyPluginsBailResult('endpoint', Object.assign(params, options))
+        .then((res) => {
+          let judge = this.applyPluginsBailResult('judge', res);
+          if(!judge) {
+            resolve(res)
+          }else {
+            reject(res)
+          }
+        }, () => {
+          reject()
+        })
+    })
   }
 }
 

From 0b0b1d6722bc7433449ebc55fbfcf245b654cd1e Mon Sep 17 00:00:00 2001
From: xiaoquan <xiaoquan@qunhemail.com>
Date: Sun, 21 Aug 2022 22:40:09 +0800
Subject: [PATCH 2/2] replace karma with jest

---
 package.json | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 94bd5ff..d678f94 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "test",
   "main": "index.js",
   "scripts": {
-    "test": "karma start"
+    "test": "jest"
   },
   "repository": {
     "type": "git",
@@ -26,5 +26,8 @@
     "karma-webpack": "^2.0.4",
     "mocha": "^3.5.0",
     "webpack": "^3.5.3"
+  },
+  "dependencies": {
+    "jest": "^28.1.3"
   }
 }