Hanged on Installing wasm-bindgen

[t1anchen]

Describe the Bug

The installation hangs around Installing wasm-bindgen.

$ wasm-pack build
[INFO]: 🎯  Checking for the Wasm target...
[INFO]: 🌀  Compiling to Wasm...
    Updating crates.io index
   Compiling proc-macro2 v1.0.0
   Compiling unicode-xid v0.2.0
   Compiling wasm-bindgen-shared v0.2.49
   Compiling log v0.4.8
   Compiling syn v1.0.1
   Compiling cfg-if v0.1.9
   Compiling bumpalo v2.5.0
   Compiling lazy_static v1.3.0
   Compiling wasm-bindgen v0.2.49
   Compiling quote v1.0.0
   Compiling wasm-bindgen-backend v0.2.49
   Compiling wasm-bindgen-macro-support v0.2.49
   Compiling wasm-bindgen-macro v0.2.49
   Compiling console_error_panic_hook v0.1.6
   Compiling wasm-game-of-life v0.1.0 (/Users/xxx/projects/wasm-game-of-life)
warning: function is never used: `set_panic_hook`
 --> src/utils.rs:1:1
  |
1 | pub fn set_panic_hook() {
  | ^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: #[warn(dead_code)] on by default

    Finished release [optimized] target(s) in 54.57s
[INFO]: ⬇️  Installing wasm-bindgen...

Steps to Reproduce

Follow the Setup directives of Rust and WebAssembly book to install the dependencies.

1. cargo install wasm-pack and the version of wasm-pack is 0.8.1
2. cargo install cargo-generate and cargo-generate version is 0.4.0
3. npm version is 6.10.3
4. cargo generate --git https://github.com/rustwasm/wasm-pack-template
5. Type name as wasm-game-of-life
6. cd wasm-game-of-life
7. wasm-pack build
8. It hanged around Installing wasm-bindgen

I check the version of wasm-bindgen, which is 0.2.49.

Expected Behavior

It should be accomplished in a short time insteald of hanging there.

Actual Behavior

The installation hangs around Installing wasm-bindgen.

Additional Context

Additional question: Is this project alive and under maintainance?

[t1anchen]

I found an ad-hoc solution.

Recommendations

• Change version of wasm-bindgen in the dependencies section of Cargo.toml to a concrete version, i.e. wasm-bindgen = "0.2.49"
• Try cargo install wasm-bindgen-cli, and the version would be EXACTLY SAME as the verision installed by wasm-pack build. i.e. if the latest wasm-bindgen 0.2 version is 0.2.49, install the cli by cargo install wasm-bindgen-cli --version 0.2.49 then rerun wasm build.

Hopefully this solution can be helpful for those who have same issues.

Reference/Links

• wasm-pack does not find installed wasm-bindgen wasm-pack#308
• must match wasm-bindgen versions exactly wasm-pack#272
• Cache hits even if wasm-bindgen binary is missing wasm-pack#508

[yangdonglai]

Mark

[juxuny]

Finally, I install wasm-bindgen-cli and wasm-opt before running wasm-pack build, I got it fixed