flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
60 lines
2.4 KiB
JavaScript
60 lines
2.4 KiB
JavaScript
/*
|
|
Copyright 2020 Google LLC
|
|
|
|
Use of this source code is governed by an MIT-style
|
|
license that can be found in the LICENSE file or at
|
|
https://opensource.org/licenses/MIT.
|
|
*/
|
|
import { setCatchHandler } from 'workbox-routing/setCatchHandler.js';
|
|
import { matchPrecache } from 'workbox-precaching/matchPrecache.js';
|
|
import './_version.js';
|
|
/**
|
|
* An implementation of the [comprehensive fallbacks recipe]{@link https://developers.google.com/web/tools/workbox/guides/advanced-recipes#comprehensive_fallbacks}. Be sure to include the fallbacks in your precache injection
|
|
*
|
|
* @memberof workbox-recipes
|
|
*
|
|
* @param {Object} [options]
|
|
* @param {string} [options.pageFallback] Precache name to match for pag fallbacks. Defaults to offline.html
|
|
* @param {string} [options.imageFallback] Precache name to match for image fallbacks.
|
|
* @param {string} [options.fontFallback] Precache name to match for font fallbacks.
|
|
*/
|
|
function offlineFallback(options = {}) {
|
|
const pageFallback = options.pageFallback || 'offline.html';
|
|
const imageFallback = options.imageFallback || false;
|
|
const fontFallback = options.fontFallback || false;
|
|
self.addEventListener('install', (event) => {
|
|
const files = [pageFallback];
|
|
if (imageFallback) {
|
|
files.push(imageFallback);
|
|
}
|
|
if (fontFallback) {
|
|
files.push(fontFallback);
|
|
}
|
|
event.waitUntil(self.caches
|
|
.open('workbox-offline-fallbacks')
|
|
.then((cache) => cache.addAll(files)));
|
|
});
|
|
const handler = async (options) => {
|
|
const dest = options.request.destination;
|
|
const cache = await self.caches.open('workbox-offline-fallbacks');
|
|
if (dest === 'document') {
|
|
const match = (await matchPrecache(pageFallback)) ||
|
|
(await cache.match(pageFallback));
|
|
return match || Response.error();
|
|
}
|
|
if (dest === 'image' && imageFallback !== false) {
|
|
const match = (await matchPrecache(imageFallback)) ||
|
|
(await cache.match(imageFallback));
|
|
return match || Response.error();
|
|
}
|
|
if (dest === 'font' && fontFallback !== false) {
|
|
const match = (await matchPrecache(fontFallback)) ||
|
|
(await cache.match(fontFallback));
|
|
return match || Response.error();
|
|
}
|
|
return Response.error();
|
|
};
|
|
setCatchHandler(handler);
|
|
}
|
|
export { offlineFallback };
|