diff --git a/spec/startup_test.js b/spec/startup_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..fee579f5f242566353ab6a74ebf851dea6b1917d
--- /dev/null
+++ b/spec/startup_test.js
@@ -0,0 +1,57 @@
+import { generateSimpleViteManifest, mockApp, mockConfig, mockFetch } from './util.js'
+import { expect } from 'chai'
+import * as td from 'testdouble'
+import { Response } from 'node-fetch'
+
+describe('Service startup', function () {
+ before(async function () {
+ mockConfig({ urls: ['http://ui-server/'] })
+ })
+
+ after(function () {
+ td.reset()
+ })
+
+ it('only fetches all files once', async function () {
+ const counters = {
+ '/example.js': 0,
+ '/test.txt': 0,
+ '/index.html.js': 0,
+ '/index.html': 0
+ }
+ mockFetch({
+ 'http://ui-server': {
+ '/manifest.json': generateSimpleViteManifest({
+ 'example.js': { imports: ['test.txt'] },
+ 'test.txt': { },
+ 'index.html': {
+ file: 'index.html.js',
+ isEntry: true,
+ imports: ['example.js']
+ }
+ }),
+ '/example.js': () => {
+ counters['/example.js']++
+ return new Response('this is example', { headers: { 'content-type': 'application/javascript' } })
+ },
+ '/test.txt': () => {
+ counters['/test.txt']++
+ return new Response('this is test', { headers: { 'content-type': 'text/plain' } })
+ },
+ '/index.html.js': () => {
+ counters['/index.html.js']++
+ return new Response('this is index.html.js', { headers: { 'content-type': 'application/javascript' } })
+ },
+ '/index.html': () => {
+ counters['/index.html']++
+ return new Response('<html><head></head><body>it\'s me</body></html>', { headers: { 'content-type': 'text/html' } })
+ }
+ }
+ })
+ await mockApp()
+
+ Object.entries(counters).forEach(([key, value]) => {
+ expect(value, `${key}`).to.equal(1)
+ })
+ })
+})
diff --git a/src/files.js b/src/files.js
index e13b56d0d8d18871e8a92c67378fa891a4e5ce8a..81413a959aac47d18bf146a8818c56c094b24966 100644
--- a/src/files.js
+++ b/src/files.js
@@ -38,9 +38,14 @@ class FileCache {
this._hash = ''
this._dependencies = {}
this._oxManifests = {}
+ this._isCaching = false
}
async warmUp (manifests, deps) {
+ if (this._hash === manifests.__hash__) return logger.debug(`Tried to warm up the filecache with the same version: ${manifests.__hash__}`)
+ if (this._isCaching) return logger.debug('Cache.warmup is already running')
+ this._isCaching = true
+
logger.debug('beginning to warm up cache')
const cache = Object.fromEntries(await (async function () {
const files = Object.keys(deps)
@@ -79,6 +84,7 @@ class FileCache {
this._hash = manifests.__hash__
this._dependencies = deps
this._oxManifests = viteToOxManifest(manifests)
+ this._isCaching = false
logger.debug('cache warmed up')
}