From 54e7baa6cfff86627e5555842560b4a20e4be424 Mon Sep 17 00:00:00 2001 From: Luke Parker <10430890+Hona@users.noreply.github.com> Date: Thu, 12 Mar 2026 14:19:44 +1000 Subject: [PATCH] fix(desktop-electron): fix resource loading under file:// protocol (#17125) --- .../desktop-electron/electron.vite.config.ts | 2 +- .../src/renderer/html.test.ts | 62 +++++++++++++++++++ .../desktop-electron/src/renderer/index.html | 17 +++-- .../src/renderer/loading.html | 17 +++-- packages/desktop-electron/tsconfig.json | 3 +- packages/ui/src/components/font.tsx | 7 ++- 6 files changed, 86 insertions(+), 22 deletions(-) create mode 100644 packages/desktop-electron/src/renderer/html.test.ts diff --git a/packages/desktop-electron/electron.vite.config.ts b/packages/desktop-electron/electron.vite.config.ts index 80c1d6b70..6903d5ed2 100644 --- a/packages/desktop-electron/electron.vite.config.ts +++ b/packages/desktop-electron/electron.vite.config.ts @@ -27,7 +27,7 @@ export default defineConfig({ }, renderer: { plugins: [appPlugin], - publicDir: "../app/public", + publicDir: "../../../app/public", root: "src/renderer", build: { rollupOptions: { diff --git a/packages/desktop-electron/src/renderer/html.test.ts b/packages/desktop-electron/src/renderer/html.test.ts new file mode 100644 index 000000000..bd8281c2f --- /dev/null +++ b/packages/desktop-electron/src/renderer/html.test.ts @@ -0,0 +1,62 @@ +import { describe, expect, test } from "bun:test" +import { join, dirname, resolve } from "node:path" +import { existsSync } from "node:fs" +import { fileURLToPath } from "node:url" + +const dir = dirname(fileURLToPath(import.meta.url)) +const root = resolve(dir, "../..") + +const html = async (name: string) => Bun.file(join(dir, name)).text() + +/** + * Electron loads renderer HTML via `win.loadFile()` which uses the `file://` + * protocol. Absolute paths like `src="/foo.js"` resolve to the filesystem root + * (e.g. `file:///C:/foo.js` on Windows) instead of relative to the app bundle. + * + * All local resource references must use relative paths (`./`). + */ +describe("electron renderer html", () => { + for (const name of ["index.html", "loading.html"]) { + describe(name, () => { + test("script src attributes use relative paths", async () => { + const content = await html(name) + const srcs = [...content.matchAll(/\bsrc=["']([^"']+)["']/g)].map((m) => m[1]) + for (const src of srcs) { + expect(src).not.toMatch(/^\/[^/]/) + } + }) + + test("link href attributes use relative paths", async () => { + const content = await html(name) + const hrefs = [...content.matchAll(/]+href=["']([^"']+)["']/g)].map((m) => m[1]) + for (const href of hrefs) { + expect(href).not.toMatch(/^\/[^/]/) + } + }) + + test("no web manifest link (not applicable in Electron)", async () => { + const content = await html(name) + expect(content).not.toContain('rel="manifest"') + }) + }) + } +}) + +/** + * Vite resolves `publicDir` relative to `root`, not the config file. + * This test reads the actual values from electron.vite.config.ts to catch + * regressions where the publicDir path no longer resolves correctly + * after the renderer root is accounted for. + */ +describe("electron vite publicDir", () => { + test("configured publicDir resolves to a directory with oc-theme-preload.js", async () => { + const config = await Bun.file(join(root, "electron.vite.config.ts")).text() + const pub = config.match(/publicDir:\s*["']([^"']+)["']/) + const rendererRoot = config.match(/root:\s*["']([^"']+)["']/) + expect(pub).not.toBeNull() + expect(rendererRoot).not.toBeNull() + const resolved = resolve(root, rendererRoot![1], pub![1]) + expect(existsSync(resolved)).toBe(true) + expect(existsSync(join(resolved, "oc-theme-preload.js"))).toBe(true) + }) +}) diff --git a/packages/desktop-electron/src/renderer/index.html b/packages/desktop-electron/src/renderer/index.html index 175640819..dd8675ee6 100644 --- a/packages/desktop-electron/src/renderer/index.html +++ b/packages/desktop-electron/src/renderer/index.html @@ -4,20 +4,19 @@