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ios-simulator-browser

Mirror an iOS Simulator into the Codex in-app browser and render SwiftUI previews from importable Swift packages in that simulator with hot reload. Use when a user wants to watch or interact with an iOS app in the browser, see a SwiftUI preview outside Xcode Canvas, iterate live on a preview, or capture browser-visible simulator proof.

インストール方法を見る

含まれるファイル(7)

  • SKILL.md3.2 KB
  • agents/openai.yaml193 B
  • scripts/lib/xcode-project.mjs20.9 KB
  • scripts/swiftui-preview-browser.mjs28.0 KB
  • scripts/templates/FocusedPreviewApp.swift12.5 KB
  • scripts/templates/FocusedPreviewHotReloadRuntime.swift1.9 KB
  • scripts/templates/PreviewBrowserEntries.swift2.0 KB

SKILL.md(原文)

インストールする前に、エージェントに与えられる指示の中身を確認できます。

iOS Simulator Browser

Browser Workflow

  1. Obtain an explicit Simulator UDID from the existing iOS build/run workflow or from xcrun simctl list devices available.

  2. Start serve-sim in a long-running terminal pinned to that simulator. Clean up any tracked stale helper for this simulator before starting, and install a trap so the helper is cleaned up when this terminal exits:

    SIM="<simulator-udid>"
    cleanup_serve_sim() {
      npx --yes serve-sim@latest --kill "$SIM" >/dev/null 2>&1 || true
    }
    trap cleanup_serve_sim EXIT INT TERM HUP
    cleanup_serve_sim
    npx --yes serve-sim@latest "$SIM"
    
  3. Open the exact local preview URL printed by serve-sim in the Codex in-app browser.

  4. Verify that a real frame is rendering before reporting success. A loaded page alone is not proof that the simulator stream is healthy.

  • Keep the terminal alive while the browser mirror is in use. When finished, stop the terminal and wait for it to exit so the trap runs.
  • If the terminal disappeared or did not exit cleanly, run npx --yes serve-sim@latest --kill "$SIM" before starting another mirror for that simulator.
  • Never run an unscoped serve-sim --kill; another thread may own a different simulator mirror.

SwiftUI Preview Workflow

Use the bundled launcher when the requested previews live in an importable Swift package. Point it at the package manifest and select the target whose previews should be displayed. It generates a disposable host project outside the user's source tree, installs and launches that host in Simulator, and watches the package for edits.

node <skill-root>/scripts/swiftui-preview-browser.mjs \
  /absolute/path/to/Package.swift \
  --package-target "<target>" \
  --device "<simulator-udid>"
  • Watch mode is enabled by default. On a Swift package source edit, the launcher rebuilds a generated dylib and hot-swaps it into the running host without relaunching the app.
  • The generated host shows every preview variant discovered in the selected Swift Package target with in-simulator page controls. To show a subset instead, pass --preview-filter <regex[, ...]>; it matches display names and code identifiers such as StatusRowView_Previews.
  • Once the launcher prints the selected Simulator UDID, start serve-sim for that same UDID and open its printed URL in the in-app browser.

Support Boundary

  • Support Swift Package-backed PreviewProvider and #Preview declarations through the generated host.
  • Do not edit the user's .xcodeproj, .xcworkspace, Package.swift, schemes, or build settings to force preview support.

Proof

For browser or preview QA, capture a browser screenshot showing the simulator frame. For hot reload QA, also report the launcher's hot reloaded package preview ... in pid ... output and show the changed frame after editing.

レビュー

まだレビューはありません。使ってみた感想をお寄せください。

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