File Reader App - Tauri Typing CST Test
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File Reader App — Tauri Code
Demonstrates a Tauri app that reads a file using the Tauri FS API and displays its content in the UI.
// main.js
import { readTextFile } from '@tauri-apps/api/fs';
document.getElementById('readBtn').addEventListener('click', async () => {
const filePath = document.getElementById('fileInput').value;
try {
const contents = await readTextFile(filePath);
document.getElementById('output').textContent = contents;
} catch (e) {
alert('Failed to read file: ' + e);
}
});
// index.html
<!DOCTYPE html>
<html>
<body>
<h2>File Reader</h2>
<input id='fileInput' placeholder='Path to file'>
<button id='readBtn'>Read</button>
<pre id='output'></pre>
<script type='module' src='main.js'></script>
</body>
</html>Tauri Language Guide
Tauri is an open-source framework for building tiny, secure, and fast desktop applications using web technologies (HTML, CSS, JS) while leveraging Rust for backend functionality. It works with frontend frameworks like React, Vue, Angular, and Svelte.
Primary Use Cases
- ▸Cross-platform desktop apps for Windows, macOS, and Linux
- ▸Electron alternative for smaller binaries and better security
- ▸Internal tools and utilities for businesses
- ▸Apps requiring frontend-backend separation
- ▸Desktop apps integrating web-based UI frameworks
Notable Features
- ▸Tiny binary sizes compared to Electron
- ▸Built-in security and sandboxing
- ▸Cross-platform support: Windows, macOS, Linux
- ▸Integration with any frontend framework
- ▸Rust backend for system-level access
Origin & Creator
Created by the Tauri Programme within the open-source community starting in 2019, Tauri was designed to offer lightweight, secure alternatives to Electron apps.
Industrial Note
Best suited for desktop apps that require small binary sizes, high performance, and strong security guarantees while reusing web development skills.