shumengya
f45a0068a2
- 重写 README.md，添加在线体验、API 文档、部署指南、技术栈等 - 添加 MIT LICENSE - 添加 CONTRIBUTING.md 贡献指南 - 添加 GitHub Issue/PR 模板 - 完善 .gitignore，防止原始图片和敏感文件误提交 - 从 git 中移除 25 个原始图片文件（.png/.jpg/非序号 webp） - 项目结构迁移：functions/ -> src/，根目录静态文件 -> public/ - 添加 wrangler.toml 与 package.json 配置
37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
import { buildAssetUrl, detectVariant, getVariantPayload, loadManifest, pickRandom } from '../lib/background.js';
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/** @param {Request} request @param {{ ASSETS?: { fetch(input: RequestInfo, init?: RequestInit): Promise<Response> } }} env */
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export async function handleRandomGet(request, env) {
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const url = new URL(request.url);
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const format = (url.searchParams.get('format') || 'redirect').toLowerCase();
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const manifest = await loadManifest(request, env);
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const variant = detectVariant(request);
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const { folder, images } = getVariantPayload(manifest, variant);
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if (!images.length) {
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return Response.json(
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{ error: 'no images available', variant, folder },
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{ status: 404, headers: { 'Cache-Control': 'no-store, max-age=0', 'Access-Control-Allow-Origin': '*' } },
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);
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}
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const filename = pickRandom(images);
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const assetUrl = buildAssetUrl(request, folder, filename);
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if (format === 'json') {
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return Response.json(
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{ variant, folder, filename, url: assetUrl, count: images.length },
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{ headers: { 'Cache-Control': 'no-store, max-age=0', 'Access-Control-Allow-Origin': '*' } },
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);
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}
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return new Response(null, {
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status: 302,
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headers: {
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Location: assetUrl,
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'Cache-Control': 'no-store, max-age=0',
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'Access-Control-Allow-Origin': '*',
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},
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});
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}
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