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Victauri

Victauri

4DA Systems

| (0) | Free
Full-stack testing and inspection for Tauri apps
Installation
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Victauri for VS Code

Version Installs License

X-ray vision for Tauri apps. See your app's DOM tree, IPC traffic, window state, memory usage, and performance metrics — all live inside VS Code. Click elements, take screenshots, run accessibility audits, and generate tests without leaving your editor.

Works with any Tauri 2.x app. Framework-agnostic — tested with React, Vue, Svelte, and vanilla JS.

Quick Start

  1. Add victauri-plugin to your Tauri app (one-line setup)
  2. Run your app in debug mode
  3. The extension auto-connects when it detects tauri.conf.json in your workspace

That's it. The sidebar populates with live app state, the DOM tree, and IPC traffic.

Features

Activity Bar — Three Live Views

View What You See
App State Windows (size, visibility, URL), memory usage, JS heap, DOM stats, long tasks, plugin version, diagnostic warnings
DOM Explorer Full accessible tree with ref IDs, ARIA roles, element bounds. Right-click to interact, inspect, or generate tests
IPC Log Live Tauri command log with status codes, duration, timestamps

Screenshot Panel

Victauri: Take Screenshot captures the app window into an inline webview panel. Refresh or save to disk without leaving VS Code.

CodeLens — Test Generation

Every #[tauri::command] function in Rust files gets a "Generate Victauri test" lens. Click it to scaffold an e2e_test! block that invokes the command and verifies the result.

DOM Interactions

Right-click any element in the DOM Explorer:

  • Click Element — trigger a click in the running app
  • Highlight Element — draw a colored overlay on the element
  • Inspect Styles — dump computed CSS to the Output panel
  • Copy Ref ID — copy the element's ref handle
  • Generate Test — scaffold a test for the element

Accessibility Audit

Victauri: Audit Accessibility runs a comprehensive WCAG check — missing alt text, unlabeled inputs, heading hierarchy, color contrast, ARIA validity — and reports violations in the Output panel.

Performance Metrics

Victauri: Performance Metrics shows navigation timing, JS heap usage, DOM stats, long task count, and resource loading details.

Diagnostics

Victauri: Run Diagnostics checks for compatibility issues — CSP problems, missing bridge methods, shadow DOM, service workers.

Commands

Command Description
Victauri: Connect to Tauri App Connect to a running Victauri server
Victauri: Disconnect Disconnect from the server
Victauri: Take Screenshot Capture the app window
Victauri: Evaluate JavaScript Run JS in the Tauri webview
Victauri: Run Diagnostics Check for compatibility issues
Victauri: Audit Accessibility Run WCAG accessibility audit
Victauri: Performance Metrics Show navigation timing, heap, DOM stats
Victauri: Clear Highlights Remove all debug overlays from the app
Victauri: Refresh All Views Force-refresh all tree views

Configuration

Setting Default Description
victauri.port 7373 Port of the Victauri server
victauri.autoConnect true Auto-connect when a Tauri project is detected
victauri.pollInterval 2000 Polling interval (ms) for live updates
victauri.authToken "" Bearer token for authenticated connections

How It Works

Victauri runs an HTTP server inside your Tauri app's process. This extension talks to its REST API, giving it simultaneous access to the webview DOM, Rust backend state, IPC traffic, and native window state — something external tools like Playwright can't do.

The plugin is gated behind #[cfg(debug_assertions)] — zero cost in release builds. It compiles away completely.

Requirements

  • A Tauri 2.x app with victauri-plugin enabled
  • The plugin starts an HTTP server on 127.0.0.1:7373 that this extension connects to
  • Port discovery reads victauri.port from the temp directory if the default port is taken

Compatibility

Tested against 5 real-world open-source Tauri apps (867/895 tests passing = 96.9%):

App Framework Result
Kanri Vue 3 / Nuxt 174/179
En Croissant React / Mantine 177/179
Surrealist React 19 / Mantine 176/179
Duckling React 19 / Jotai 169/179
Lettura React / Custom UI 171/179

License

Apache-2.0

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