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Use a proxy to set cache-control header on responses

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This commit is contained in:
Catalin Constantin Mititiuc 2024-05-27 12:13:54 -07:00
parent 1b04583ae8
commit 693d0c0501
1 changed files with 36 additions and 80 deletions
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116
esbuild-server.mjs
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@ -1,8 +1,16 @@
// const esbuild = require('esbuild');
// const fs = require('node:fs');
import * as esbuild from 'esbuild';
import * as fs from 'node:fs';
import http from 'node:http';
const colors = {
reset: '\x1b[0m',
dim: '\x1b[2m',
bright: '\x1b[1m',
normal: '\x1b[22m',
red: '\x1b[31m',
green: '\x1b[32m',
yellow: '\x1b[33m',
}
const regex = new RegExp('mapsheets\..+\.svg');
@ -19,84 +27,10 @@ const svgUseCacheBust = {
files.forEach(fn => fs.unlinkSync(`./public/assets/images/${fn}`));
fs.copyFileSync('./public/assets/images/mapsheets.svg', `./public/assets/images/mapsheets.${version}.svg`);
})
// version = Math.random();
// build.onResolve({ filter: /svg/ }, args => {
// console.log('onresolve', version, args);
// });
}
}
// {
// bundle: true,
// define: {
// 'env': `"${process.env.NODE_ENV || 'dev'}"`,
// },
// entryPoints: ['src/index.js', 'src/map.js', 'src/soldier_record_block.js'],
// // outdir: 'build',
// ...(process.env.NODE_ENV !== 'test') && {
// outdir: 'build'
// },
// assetNames: `[name]${version}`,
// plugins: [svgUseCacheBust],
// loader: {
// '.svg': 'file'
// },
// },
// let ctx = await esbuild.context({
// entryPoints: ['src/*.js'],
// outdir: 'public',
// bundle: true,
// plugins: [svgUseCacheBust],
// loader: {
// '.svg': 'file'
// },
// })
// let { host, port } = await ctx.serve({
// servedir: 'public',
// })
const colors = {
reset: '\x1b[0m',
dim: '\x1b[2m',
bright: '\x1b[1m',
normal: '\x1b[22m',
red: '\x1b[31m',
green: '\x1b[32m',
yellow: '\x1b[33m',
}
// esbuild.context({
// entryPoints: ['src/*.js'],
// outdir: 'public',
// bundle: true,
// plugins: [svgUseCacheBust],
// loader: {
// '.svg': 'file'
// },
// logLevel: 'info',
// }).then(ctx => {
// console.log('context', ctx);
// ctx.serve({
// servedir: 'public',
// onRequest: function({ remoteAddress, method, path, status, timeInMS }) {
// let statusColor = colors.red;
// if (status >= 200 && status <= 299) {
// statusColor = colors.green;
// } else if (status >= 300 && status <= 399) {
// statusColor = colors.yellow;
// }
// console.log(`${colors.dim}${remoteAddress} - "${method} ${path}" ${colors.normal}${statusColor}${status}${colors.reset}${colors.dim} [${timeInMS}ms]${colors.reset}`);
// }
// })
// });
let ctx = await esbuild.context({
const ctx = await esbuild.context({
entryPoints: ['src/*.js'],
bundle: true,
outdir: 'public',
@ -105,9 +39,9 @@ let ctx = await esbuild.context({
await ctx.watch();
let { host, port } = await ctx.serve({
const { host, port } = await ctx.serve({
servedir: 'public',
port: 8080,
port: 3000,
onRequest: function({ remoteAddress, method, path, status, timeInMS }) {
let statusColor = colors.red;
@ -120,3 +54,25 @@ let { host, port } = await ctx.serve({
console.log(`${colors.dim}${remoteAddress} - "${method} ${path}" ${colors.normal}${statusColor}${status}${colors.reset}${colors.dim} [${timeInMS}ms]${colors.reset}`);
},
});
http.createServer((req, res) => {
const options = {
hostname: host,
port: port,
path: req.url,
method: req.method,
headers: req.headers,
}
const proxyReq = http.request(options, proxyRes => {
for (const k in proxyRes.headers) {
res.setHeader(k, proxyRes.headers[k]);
}
res.writeHead(proxyRes.statusCode, { 'Cache-Control': 'no-cache, no-store, must-revalidate' });
proxyRes.pipe(res, { end: true });
})
req.pipe(proxyReq, { end: true });
}).listen(8080);