f19b12c42e
I had some free time at the end of the week so I investigated the idea of deriving the vercel routing config from the react-router config, then storing the derived vercel route info in a jest snapshot, and then loading the jest snapshot during the build script. Seems to work well! ### Change Type - [x] `internal` — Any other changes that don't affect the published package[^2]
91 lines
2.6 KiB
TypeScript
91 lines
2.6 KiB
TypeScript
import glob from 'fast-glob'
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import { mkdirSync, writeFileSync } from 'fs'
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import { exec } from '../../../scripts/lib/exec'
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import { Config } from './vercel-output-config'
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import { config } from 'dotenv'
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import json5 from 'json5'
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import { nicelog } from '../../../scripts/lib/nicelog'
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import { T } from '@tldraw/validate'
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// We load the list of routes that should be forwarded to our SPA's index.html here.
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// It uses a jest snapshot file because deriving the set of routes from our
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// react-router config works fine in our test environment, but is tricky to get running in this
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// build script environment for various reasons (no global React, tsx being weird about decorators, etc).
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function loadSpaRoutes() {
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// eslint-disable-next-line @typescript-eslint/no-var-requires
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const routesJson = require('../src/__snapshots__/routes.test.tsx.snap')['the_routes 1']
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const routes = T.arrayOf(
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T.object({
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reactRouterPattern: T.string,
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vercelRouterPattern: T.string,
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})
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).validate(json5.parse(routesJson))
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return routes.map((route) => ({
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check: true,
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src: route.vercelRouterPattern,
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dest: '/index.html',
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}))
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}
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config({
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path: './.env.local',
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})
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nicelog('The multiplayer server is', process.env.MULTIPLAYER_SERVER)
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async function build() {
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// make sure we have the latest routes
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await exec('yarn', ['test', 'src/routes.test.tsx'])
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const spaRoutes = loadSpaRoutes()
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await exec('vite', ['build', '--emptyOutDir'])
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await exec('yarn', ['run', '-T', 'sentry-cli', 'sourcemaps', 'inject', 'dist/assets'])
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// Clear output static folder (in case we are running locally and have already built the app once before)
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await exec('rm', ['-rf', '.vercel/output'])
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mkdirSync('.vercel/output', { recursive: true })
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await exec('cp', ['-r', 'dist', '.vercel/output/static'])
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await exec('rm', ['-rf', ...glob.sync('.vercel/output/static/**/*.js.map')])
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writeFileSync(
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'.vercel/output/config.json',
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JSON.stringify(
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{
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version: 3,
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routes: [
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// rewrite api calls to the multiplayer server
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{
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src: '^/api(/(.*))?$',
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dest: `${
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process.env.MULTIPLAYER_SERVER?.replace(/^ws/, 'http') ?? 'http://127.0.0.1:8787'
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}$1`,
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check: true,
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},
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// cache static assets immutably
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{
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src: '^/assets/(.*)$',
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headers: { 'Cache-Control': 'public, max-age=31536000, immutable' },
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},
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// serve static files
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{
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handle: 'miss',
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},
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// finally handle SPA routing
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...spaRoutes,
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// react router will handle drawing the 404 page
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{
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check: true,
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src: '.*',
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dest: '/index.html',
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status: 404,
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},
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],
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overrides: {},
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} satisfies Config,
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null,
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2
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)
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)
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}
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build()
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