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February 12, 2023 03:13
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cloudflare worker router
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| // Routes | |
| const ROUTES = { | |
| // 'GET /api/posts': 'getPosts', | |
| // 'GET /api/posts/:id': 'getPost', | |
| // 'GET /api/posts/:id/comments': 'getComments', | |
| // 'GET /api/categories': 'getCategories', | |
| // 'GET /api/tags': 'getTags', | |
| // 'GET /api/configs': 'getConfigs', | |
| // 'GET /api/admin/posts': 'getAdminPosts', | |
| // 'POST /api/admin/posts': 'createPost', | |
| // 'PUT /api/admin/posts/:id': 'updatePost', | |
| // 'DELETE /api/admin/posts/:id': 'deletePost', | |
| // 'GET /api/admin/categories': 'getAdminCategories', | |
| // 'POST /api/admin/categories': 'createCategory', | |
| // 'PUT /api/admin/categories/:id': 'updateCategory', | |
| // 'DELETE /api/admin/categories/:id': 'deleteCategory', | |
| // 'GET /api/admin/tags': 'getAdminTags', | |
| // 'POST /api/admin/tags': 'createTag', | |
| // 'PUT /api/admin/tags/:id': 'updateTag', | |
| // 'DELETE /api/admin/tags/:id': 'deleteTag', | |
| // 'GET /api/admin/configs': 'getAdminConfigs', | |
| // 'POST /api/admin/configs': 'createConfig', | |
| // 'PUT /api/admin/configs/:id': 'updateConfig', | |
| // 'DELETE /api/admin/configs/:id': 'deleteConfig', | |
| // 'GET /api/admin/comments': 'getAdminComments', | |
| // 'POST /api/admin/comments': 'createComment', | |
| // 'DELETE /api/admin/comments/:id': 'deleteComment', | |
| 'GET /api/hello': 'hello', | |
| 'GET /api/echo/:text/:text2': 'echo', | |
| }; | |
| let handlers = {} | |
| // handle routes | |
| async function handleRoute(request) { | |
| const { pathname, search } = new URL(request.url); | |
| const method = request.method; | |
| let response = null; | |
| Object.keys(ROUTES).forEach((route) => { | |
| let [routeMethod, routePath] = route.split(' '); | |
| let routeRegex = new RegExp(`^${routePath.replace(/:\w+/g, '(\\w+)')}$`); | |
| let routeMatch = pathname.match(routeRegex); | |
| if (method === routeMethod && routeMatch) { | |
| let handler = ROUTES[route]; | |
| let params = {}; | |
| let routeParts = routePath.split('/'); | |
| for (let i = 0; i < routeParts.length; i++) { | |
| if (routeParts[i].startsWith(':')) { | |
| console.log(i) | |
| params[routeParts[i].slice(1)] = routeMatch[i-2]; | |
| } | |
| } | |
| request.query = getSearchParams(search); | |
| response = handlers[handler](request, params); | |
| return; | |
| } | |
| }); | |
| if (response) { | |
| return response; | |
| } | |
| // Route not found | |
| return new Response('Resource not found', { status: 404, 'Content-Type': 'text/plain' }) | |
| } | |
| function getSearchParams(search) { | |
| const searchParams = new URLSearchParams(search); | |
| const map = new Map(); | |
| for (const [key, value] of searchParams) { | |
| if (!map.has(key)) { | |
| map.set(key, []); | |
| } | |
| map.get(key).push(value); | |
| } | |
| return map; | |
| } | |
| // handlers | |
| handlers.hello = async (request, params) => { | |
| return new Response('Hello World!', { status: 200, 'Content-Type': 'text/plain' }) | |
| }; | |
| handlers.echo = async (request, params) => { | |
| return new Response(params.text + "-" + params.text2, { status: 200, 'Content-Type': 'text/plain' }) | |
| }; | |
| // main | |
| export default { | |
| async fetch(request, env) { | |
| try { | |
| request.env = env | |
| return handleRoute(request) | |
| } catch(e) { | |
| return new Response(e.stack, { status: 500 }) | |
| } | |
| } | |
| } |
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