updates for 2023
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node_modules
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worker
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import { getAssetFromKV, mapRequestToAsset } from '@cloudflare/kv-asset-handler'
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/**
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* The DEBUG flag will do two things that help during development:
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* 1. we will skip caching on the edge, which makes it easier to
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* debug.
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* 2. we will return an error message on exception in your Response rather
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* than the default 404.html page.
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*/
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const DEBUG = false
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addEventListener('fetch', event => {
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try {
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event.respondWith(handleEvent(event))
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} catch (e) {
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if (DEBUG) {
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return event.respondWith(
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new Response(e.message || e.toString(), {
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status: 500,
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}),
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)
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}
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event.respondWith(new Response('Internal Error', { status: 500 }))
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}
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})
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async function handleEvent(event) {
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const url = new URL(event.request.url)
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let options = {}
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/**
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* You can add custom logic to how we fetch your assets
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* by configuring the function `mapRequestToAsset`
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*/
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// options.mapRequestToAsset = handlePrefix(/^\/docs/)
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try {
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if (DEBUG) {
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// customize caching
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options.cacheControl = {
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bypassCache: true,
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}
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}
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return await getAssetFromKV(event, options)
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} catch (e) {
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// if an error is thrown try to serve the asset at 404.html
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if (!DEBUG) {
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try {
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let notFoundResponse = await getAssetFromKV(event, {
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mapRequestToAsset: req => new Request(`${new URL(req.url).origin}/index.html`, req),
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})
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return new Response(notFoundResponse.body, { ...notFoundResponse, status: 404 })
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} catch (e) {}
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}
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return new Response(e.message || e.toString(), { status: 500 })
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}
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}
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/**
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* Here's one example of how to modify a request to
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* remove a specific prefix, in this case `/docs` from
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* the url. This can be useful if you are deploying to a
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* route on a zone, or if you only want your static content
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* to exist at a specific path.
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*/
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function handlePrefix(prefix) {
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return request => {
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// compute the default (e.g. / -> index.html)
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let defaultAssetKey = mapRequestToAsset(request)
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let url = new URL(defaultAssetKey.url)
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// strip the prefix from the path for lookup
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url.pathname = url.pathname.replace(prefix, '/')
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// inherit all other props from the default request
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return new Request(url.toString(), defaultAssetKey)
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}
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}
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{
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"name": "worker",
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"version": "1.0.0",
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"lockfileVersion": 1,
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"requires": true,
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"dependencies": {
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"@cloudflare/kv-asset-handler": {
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"version": "0.0.11",
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"resolved": "https://registry.npmjs.org/@cloudflare/kv-asset-handler/-/kv-asset-handler-0.0.11.tgz",
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"integrity": "sha512-D2kGr8NF2Er//Mx0c4+8FtOHuLrnwOlpC48TbtyxRSegG/Js15OKoqxxlG9BMUj3V/YSqtN8bUU6pjaRlsoSqg==",
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"requires": {
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"@cloudflare/workers-types": "^2.0.0",
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"@types/mime": "^2.0.2",
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"mime": "^2.4.6"
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}
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},
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"@cloudflare/workers-types": {
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"version": "2.0.0",
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"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-2.0.0.tgz",
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"integrity": "sha512-SFUPQzR5aV2TBLP4Re+xNX5KfAGArcRGA44OLulBDnfblEf3J+6kFvdJAQwFhFpqru3wImwT1cX0wahk6EeWTw=="
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},
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"@types/mime": {
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"version": "2.0.2",
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"resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.2.tgz",
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"integrity": "sha512-4kPlzbljFcsttWEq6aBW0OZe6BDajAmyvr2xknBG92tejQnvdGtT9+kXSZ580DqpxY9qG2xeQVF9Dq0ymUTo5Q=="
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},
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"mime": {
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"version": "2.4.6",
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"resolved": "https://registry.npmjs.org/mime/-/mime-2.4.6.tgz",
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"integrity": "sha512-RZKhC3EmpBchfTGBVb8fb+RL2cWyw/32lshnsETttkBAyAUXSGHxbEJWWRXc751DrIxG1q04b8QwMbAwkRPpUA=="
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}
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}
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}
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{
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"private": true,
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"name": "worker",
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"version": "1.0.0",
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"description": "A template for kick starting a Cloudflare Workers project",
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"main": "index.js",
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"author": "Ashley Lewis <ashleymichal@gmail.com>",
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"license": "MIT",
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"dependencies": {
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"@cloudflare/kv-asset-handler": "~0.0.11"
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}
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}
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