build(cdn): 📦 更换cdn为unpkg、新增service_worker缓存资源文件

closed #772
2026-07-25 00:23:53 +08:00 · 2025-04-15 04:03:28 +08:00
parent 2bab917b3e
commit dd7d23498f
12 changed files with 4147 additions and 47 deletions
@@ -0,0 +1,113 @@
+/* eslint-disable no-console */
+
+export const register = () => {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.BASE_URL}service-worker.js`;
+      
+      console.info(`[小智服务] 正在尝试注册Service Worker，URL: ${swUrl}`);
+      
+      // 先检查Service Worker是否已注册
+      navigator.serviceWorker.getRegistrations().then(registrations => {
+        if (registrations.length > 0) {
+          console.info('[小智服务] 发现已有Service Worker注册，正在检查更新');
+        }
+        
+        // 继续注册Service Worker
+        navigator.serviceWorker
+          .register(swUrl)
+          .then(registration => {
+            console.info('[小智服务] Service Worker注册成功');
+            
+            // 更新处理
+            registration.onupdatefound = () => {
+              const installingWorker = registration.installing;
+              if (installingWorker == null) {
+                return;
+              }
+              installingWorker.onstatechange = () => {
+                if (installingWorker.state === 'installed') {
+                  if (navigator.serviceWorker.controller) {
+                    // 内容已缓存更新，通知用户刷新
+                    console.log('[小智服务] 新内容可用，请刷新页面');
+                    // 可以在这里展示更新提示
+                    const updateNotification = document.createElement('div');
+                    updateNotification.style.cssText = `
+                      position: fixed;
+                      bottom: 20px;
+                      right: 20px;
+                      background: #409EFF;
+                      color: white;
+                      padding: 12px 20px;
+                      border-radius: 4px;
+                      box-shadow: 0 2px 12px 0 rgba(0,0,0,.1);
+                      z-index: 9999;
+                    `;
+                    updateNotification.innerHTML = `
+                      <div style="display: flex; align-items: center;">
+                        <span style="margin-right: 10px;">发现新版本，点击刷新应用</span>
+                        <button style="background: white; color: #409EFF; border: none; padding: 5px 10px; border-radius: 3px; cursor: pointer;">刷新</button>
+                      </div>
+                    `;
+                    document.body.appendChild(updateNotification);
+                    updateNotification.querySelector('button').addEventListener('click', () => {
+                      window.location.reload();
+                    });
+                  } else {
+                    // 一切正常，Service Worker已成功安装
+                    console.log('[小智服务] 内容已缓存供离线使用');
+                    
+                    // 可以在这里初始化缓存
+                    setTimeout(() => {
+                      // 预热CDN缓存
+                      const cdnUrls = [
+                        'https://unpkg.com/element-ui@2.15.14/lib/theme-chalk/index.css',
+                        'https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.min.css',
+                        'https://unpkg.com/vue@2.6.14/dist/vue.min.js',
+                        'https://unpkg.com/vue-router@3.6.5/dist/vue-router.min.js',
+                        'https://unpkg.com/vuex@3.6.2/dist/vuex.min.js',
+                        'https://unpkg.com/element-ui@2.15.14/lib/index.js',
+                        'https://unpkg.com/axios@0.27.2/dist/axios.min.js',
+                        'https://unpkg.com/opus-decoder@0.7.7/dist/opus-decoder.min.js'
+                      ];
+                      
+                      // 预热缓存
+                      cdnUrls.forEach(url => {
+                        fetch(url, { mode: 'no-cors' }).catch(err => {
+                          console.log(`预热缓存 ${url} 失败`, err);
+                        });
+                      });
+                    }, 2000);
+                  }
+                }
+              };
+            };
+          })
+          .catch(error => {
+            console.error('Service Worker 注册失败:', error);
+            
+            if (error.name === 'TypeError' && error.message.includes('Failed to register a ServiceWorker')) {
+              console.warn('[小智服务] 注册Service Worker时出现网络错误，CDN资源可能无法缓存');
+              if (process.env.NODE_ENV === 'production') {
+                console.info(
+                  '可能原因：1. 服务器未配置正确的MIME类型 2. 服务器SSL证书问题 3. 服务器未返回service-worker.js文件'
+                );
+              }
+            }
+          });
+      });
+    });
+  }
+};
+
+export const unregister = () => {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready
+      .then(registration => {
+        registration.unregister();
+      })
+      .catch(error => {
+        console.error(error.message);
+      });
+  }
+};