Add cargo-binstall support to wasm-bindgen (#3544)

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

CHANGELOG.md

@@ -23,6 +23,9 @@
 * Add bindings for `WorkerGlobalScope.performance`.
   [#3506](https://github.com/rustwasm/wasm-bindgen/pull/3506)
 
+* Add support for installing pre-built artifacts of `wasm-bindgen-cli`
+  via `cargo binstall wasm-bindgen-cli`.
+
 ### Changed
 
 * Updated the WebGPU WebIDL.

README.md

@@ -26,6 +26,24 @@
   <sub>Built with 🦀🕸 by <a href="https://rustwasm.github.io/">The Rust and WebAssembly Working Group</a></sub>
 </div>
 
+## Install `wasm-bindgen-cli`
+
+You can install it using `cargo install`:
+
+```
+cargo install wasm-bindgen-cli
+```
+
+Or, you can download it from the
+[release page](https://github.com/rustwasm/wasm-bindgen/releases).
+
+If you have [`cargo-binstall`](https://crates.io/crates/cargo-binstall) installed,
+then you can install the pre-built artifacts by running:
+
+```
+cargo binstall wasm-bindgen-cli
+```
+
 ## Example
 
 Import JavaScript things into Rust and export Rust things to JavaScript.
@@ -110,4 +128,4 @@ Unless you explicitly state otherwise, any contribution intentionally submitted
 for inclusion in this project by you, as defined in the Apache-2.0 license,
 shall be dual licensed as above, without any additional terms or conditions.
 
-[contributing]: https://rustwasm.github.io/docs/wasm-bindgen/contributing/index.html
+[contributing]: https://rustwasm.github.io/docs/wasm-bindgen/contributing/index.html

crates/cli/Cargo.toml

@@ -15,6 +15,10 @@ edition = '2018'
 default-run = 'wasm-bindgen'
 rust-version = "1.56"
 
+[package.metadata.binstall]
+pkg-url = "https://github.com/rustwasm/wasm-bindgen/releases/download/{ version }/wasm-bindgen-{ version }-{ target }{ archive-suffix }"
+bin-dir = "wasm-bindgen-{ version }-{ target }/{ bin }{ binary-ext }"
+
 [dependencies]
 docopt = "1.0"
 env_logger = "0.8"