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Practical WebAssembly

You're reading from   Practical WebAssembly Explore the fundamentals of WebAssembly programming using Rust

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781838828004
Length 232 pages
Edition 1st Edition
Languages
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Author (1):
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Sendil Kumar Nellaiyapen Sendil Kumar Nellaiyapen
Author Profile Icon Sendil Kumar Nellaiyapen
Sendil Kumar Nellaiyapen
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Toc

Table of Contents (15) Chapters Close

Preface 1. Section 1: Introduction to WebAssembly
2. Chapter 1: Understanding LLVM FREE CHAPTER 3. Chapter 2: Understanding Emscripten 4. Chapter 3: Exploring WebAssembly Modules 5. Section 2: WebAssembly Tools
6. Chapter 4: Understanding WebAssembly Binary Toolkit 7. Chapter 5: Understanding Sections in WebAssembly Modules 8. Chapter 6: Installing and Using Binaryen 9. Section 3: Rust and WebAssembly
10. Chapter 7: Integrating Rust with WebAssembly 11. Chapter 8: Bundling WebAssembly Using wasm-pack 12. Chapter 9: Crossing the Boundary between Rust and WebAssembly 13. Chapter 10: Optimizing Rust and WebAssembly 14. Other Books You May Enjoy

Installing wasm-bindgen

wasm-bindgen is used to bind entities from Rust into JavaScript and vice versa.

wasm-bindgen makes it more natural to import exported entities from Rust into JavaScript. JavaScript developers will find that wasm-bindgen's use of WebAssembly is similar to JavaScript.

This enables the use of richer and easier APIs while converting Rust into a WebAssembly module. wasm-bindgen uses these features and provides a simple API to use. It ensures that there is high-level interaction happening between wasm modules and JavaScript.

wasm-bindgen provides a channel between JavaScript and WebAssembly to communicate something other than numbers, such as objects, strings, and arrays.

To install wasm-bindgen-cli, use the following cargo command:

$ cargo install wasm-bindgen-cli

Once successfully installed, let's run the wasm-bindgen CLI:

$ wasm-bindgen  --help
Generating JS bindings for a wasm file
Usage:
    wasm-bindgen...
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