test(tauri): clean up font cache mocks

src/app/editor/fonts/cache.ts

@@ -45,6 +45,14 @@ function hexDigest(data: ArrayBuffer) {
   return [...new Uint8Array(data)].map((byte) => byte.toString(16).padStart(2, '0')).join('')
 }
 
+function isTauriRuntime() {
+  return 'window' in globalThis && '__TAURI_INTERNALS__' in globalThis.window
+}
+
+function isUnavailableTauriRuntimeError(error: unknown) {
+  return error instanceof ReferenceError && error.message.includes('window is not defined')
+}
+
 async function readManifest(): Promise<FontCacheManifest> {
   const { BaseDirectory, readFile } = await import('@tauri-apps/plugin-fs')
   try {
@@ -89,6 +97,8 @@ export async function clearDownloadedFontCache(): Promise<void> {
 export function createTauriDownloadedFontCache(): DownloadedFontCache {
   return {
     async read(family, style) {
+      if (!isTauriRuntime()) return null
+      try {
         const { BaseDirectory, readFile } = await import('@tauri-apps/plugin-fs')
         const manifest = await readManifest()
         const entry = manifest.entries[await cacheKey(family, style)]
@@ -101,9 +111,15 @@ export function createTauriDownloadedFontCache(): DownloadedFontCache {
         if (buffer.byteLength !== entry.byteLength) return null
         if ((await hashBytes(buffer)) !== entry.sha256) return null
         return buffer
+      } catch (error) {
+        if (isUnavailableTauriRuntimeError(error)) return null
+        throw error
+      }
     },
 
     async write(family, style, data) {
+      if (!isTauriRuntime()) return
+      try {
         const { BaseDirectory, mkdir, writeFile } = await import('@tauri-apps/plugin-fs')
         await mkdir(CACHE_DIR, { baseDir: BaseDirectory.AppLocalData, recursive: true })
 
@@ -124,6 +140,10 @@ export function createTauriDownloadedFontCache(): DownloadedFontCache {
           updatedAt: Date.now()
         }
         await writeManifest(manifest)
+      } catch (error) {
+        if (isUnavailableTauriRuntimeError(error)) return
+        throw error
+      }
     }
   }
 }

tests/helpers/tauri/mocks.ts

@@ -24,4 +24,5 @@ export async function clearTauriMocks() {
   if (!('window' in globalThis)) return
   const { clearMocks } = await import('@tauri-apps/api/mocks')
   clearMocks()
+  delete (globalThis as typeof globalThis & { window?: unknown }).window
 }