website/routes/api/serviceworker/precache.tsx

48 lines
1.4 KiB
TypeScript

import { expandGlob } from '@std/fs'
import { SessionHandlers } from ':src/session/mod.ts'
import { respondApi } from ':src/utils.ts'
import { BUILD_ID } from '../../../utils.ts'
export type PrecacheResponse = { version: string; preCachedUrls: string[] }
export const handler: SessionHandlers = {
async GET() {
try {
const preCachedUrls: string[] = ['/', '/imports/markdown_css']
const paths = ['/static/**', '/_fresh/static/**']
const routes = '/routes/*/index.tsx'
const version = BUILD_ID
//Pre-cache routes
for await (const route of expandGlob(routes, { root: '.' })) {
if ('isFile' in route && !route.isFile) continue
preCachedUrls.push(strip('/routes/**', route.path))
}
// Pre-cache files
for (const path of paths) {
for await (const entry of expandGlob(path, { root: '.' })) {
if ('isFile' in entry && !entry.isFile) continue
preCachedUrls.push(strip(path, entry.path))
}
}
return respondApi<'success', PrecacheResponse>('success', {
version,
preCachedUrls,
})
} catch (error) {
return respondApi('error', error)
}
},
}
function strip(root: string, path: string) {
// Remove root slash and glob *
const base = root.slice(1).replaceAll('*', '').replaceAll('\\', '/')
// Force unix/web separator
const pathname = path.replaceAll('\\', '/').replace('/index.tsx', '')
return `/${pathname.slice(base.length)}`
}