feat: pwa with push notifications (#337)

modules/pwa/config.ts

@@ -0,0 +1,69 @@
+import type { Nuxt } from '@nuxt/schema'
+import type { VitePWAOptions } from 'vite-plugin-pwa'
+import { resolve } from 'pathe'
+
+export function configurePWAOptions(options: Partial<VitePWAOptions>, nuxt: Nuxt) {
+  if (!options.outDir) {
+    const publicDir = nuxt.options.nitro?.output?.publicDir
+    options.outDir = publicDir ? resolve(publicDir) : resolve(nuxt.options.buildDir, '../.output/public')
+  }
+
+  let config: Partial<
+    import('workbox-build').BasePartial
+    & import('workbox-build').GlobPartial
+    & import('workbox-build').RequiredGlobDirectoryPartial
+    >
+
+  if (options.strategies === 'injectManifest') {
+    options.injectManifest = options.injectManifest ?? {}
+    config = options.injectManifest
+  }
+  else {
+    options.workbox = options.workbox ?? {}
+    if (options.registerType === 'autoUpdate' && (options.injectRegister === 'script' || options.injectRegister === 'inline')) {
+      options.workbox.clientsClaim = true
+      options.workbox.skipWaiting = true
+    }
+    if (nuxt.options.dev) {
+      // on dev force always to use the root
+
+      options.workbox.navigateFallback = nuxt.options.app.baseURL ?? '/'
+      if (options.devOptions?.enabled && !options.devOptions.navigateFallbackAllowlist)
+        options.devOptions.navigateFallbackAllowlist = [new RegExp(nuxt.options.app.baseURL) ?? /\//]
+    }
+    config = options.workbox
+    // todo: change navigateFallback based on the command: use 404 only when using generate
+    /* else if (nuxt.options.build) {
+      if (!options.workbox.navigateFallback)
+        options.workbox.navigateFallback = '/200.html'
+    } */
+  }
+  if (!nuxt.options.dev)
+    config.manifestTransforms = [createManifestTransform(nuxt.options.app.baseURL ?? '/')]
+}
+
+function createManifestTransform(base: string): import('workbox-build').ManifestTransform {
+  return async (entries) => {
+    // prefix non html assets with base
+    /*
+    entries.filter(e => e && !e.url.endsWith('.html')).forEach((e) => {
+      if (!e.url.startsWith(base))
+        e.url = `${base}${e.url}`
+    })
+*/
+    entries.filter(e => e && e.url.endsWith('.html')).forEach((e) => {
+      const url = e.url.startsWith('/') ? e.url.slice(1) : e.url
+      if (url === 'index.html') {
+        e.url = base
+      }
+      else {
+        const parts = url.split('/')
+        parts[parts.length - 1] = parts[parts.length - 1].replace(/\.html$/, '')
+        // e.url = `${base}${parts.length > 1 ? parts.slice(0, parts.length - 1).join('/') : parts[0]}`
+        e.url = parts.length > 1 ? parts.slice(0, parts.length - 1).join('/') : parts[0]
+      }
+    })
+
+    return { manifest: entries, warnings: [] }
+  }
+}