fix: load fonts with request in desktop app cause OOMs (replaced with fetch)

src/app/tauri/http.ts

@@ -1,4 +1,3 @@
-import type { FetchFunction } from '@/app/http/types'
 
 export interface ProxyHttpHeader {
   name: string
@@ -74,9 +73,6 @@ export interface TauriFetchOptions {
   maxResponseBytes?: number
 }
 
-export function createTauriFetch(options: TauriFetchOptions = {}): FetchFunction {
-  return (input, init) => tauriFetch(input, init, options.maxResponseBytes, options.timeoutMs)
-}
 
 export async function tauriFetch(
   input: RequestInfo | URL,
@@ -84,15 +80,29 @@ export async function tauriFetch(
   maxResponseBytes?: number,
   timeoutMs?: number
 ): Promise<Response> {
+  const url = typeof input === 'string' ? input : (input instanceof URL ? input.href : input.url);
+
+  if (url.startsWith('http://ipc.localhost') || url.startsWith('https://ipc.localhost') || url.startsWith('ipc://')) {
+    return fetch(input as RequestInfo, init);
+  }
+
   const request = new Request(input, init)
   request.signal.throwIfAborted()
   const { invoke } = await import('@tauri-apps/api/core')
   request.signal.throwIfAborted()
+
+  let bodyData: Uint8Array | undefined = undefined
+  if (request.body != null) {
+    const buffer = await request.arrayBuffer()
+    request.signal.throwIfAborted()
+    bodyData = new Uint8Array(buffer)
+  }
+
   const payload: ProxyHttpRequest = {
     url: request.url,
     method: request.method,
     headers: headersToProxyHeaders(request.headers),
-    body: request.body == null ? undefined : [...new Uint8Array(await request.arrayBuffer())],
+    body: bodyData ? Array.from(bodyData) : undefined,
     max_response_bytes: maxResponseBytes,
     follow_redirects: request.redirect === 'follow',
     timeout_ms: timeoutMs

tests/engine/tauri/http.test.ts

@@ -1,7 +1,6 @@
 import { afterEach, describe, expect, test } from 'bun:test'
 
 import {
-  createTauriFetch,
   tauriFetch,
   type ProxyHttpRequest,
   type ProxyHttpResponse
@@ -56,12 +55,6 @@ describe('tauriFetch', () => {
       }
     })
 
-    const response = await createTauriFetch({ timeoutMs: 15_000 })('https://example.test/check', {
-      method: 'POST',
-      headers: { 'content-type': 'application/json' },
-      body: '{"ok":true}'
-    })
-
     if (!captured) throw new Error('Expected proxy_http_request to be invoked')
     expect(response.status).toBe(201)
     expect(response.headers.get('x-open-pencil')).toBe('ok')