How to run

1. Install Rust (https://www.rust-lang.org/tools/install)
2. Run the following in the terminal (I use git bash usually on windows): rustup target add wasm32-unknown-unknown
3. Run the following in the terminal: cargo install trunk
4. git clone the project
5. cd yew_test
6. Run the following in the terminal: trunk serve
7. Open the browser to http://127.0.0.1:8080

Interfacing with JavaScript ES6 modules

Currently import statements are not supported in the JS file.

See https://rustwasm.github.io/wasm-bindgen/reference/js-snippets.html (Caveats).

This enforcing the distinction of top level modules vs multi-level modules.

Case 1: Top level ES6 modules

This is fully supported. Check js/lib_a.js <=> src/js/lib_a.rs for example usage.

Case 2: Multi level ES6 modules

This is not currently supported. Therefore, a workaround must be used.

For example, for the uuid node module, I build the module with browserify in order to make it compatible for loading in the browser.

Then, the methods of the module can be accessed from within Rust, through the global namespace. Check js/lib_uuid.js <=> src/js/lib_uuid.rs for example usage.

The specific steps for achieving this are:

1. Install browserify globally: sudo npm i -g browserify
2. Download the module: npm i uuid
3. Create a file and require the module:

// temp.js
const uuid = require('uuid');
window.uuid = uuid;

4. Create the file for the browser: browserify temp.js -o lib_uuid.js
5. Add the file to index.html with a script tag.