"cargo run --package inner_html" fails

[DavidBJaffe]

I'm on a Mac running OSX 10.15.7, using rust version 1.51.0.

I cloned yew, and from the main directory:

mac% cargo run --package inner_html
    Finished dev [unoptimized + debuginfo] target(s) in 0.10s
     Running `target/debug/inner_html`
thread 'main' panicked at 'cannot call wasm-bindgen imported functions on non-wasm targets', /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.51/src/lib.rs:4742:9
stack backtrace:
   0: std::panicking::begin_panic
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/panicking.rs:519:12
   1: js_sys::global::get_global_object::Global::get_self::__wbg_self_bb69a836a72ec6e9
             at /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.51/src/lib.rs:4742:9
   2: js_sys::global::get_global_object::Global::get_self
             at /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.51/src/lib.rs:4742:9
   3: js_sys::global::get_global_object
             at /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.51/src/lib.rs:4761:29
   4: js_sys::global::GLOBAL::__init
             at /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.51/src/lib.rs:4720:43
   5: core::ops::function::FnOnce::call_once
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/core/src/ops/function.rs:227:5
   6: std::thread::local::lazy::LazyKeyInner<T>::initialize
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/thread/local.rs:304:25
   7: std::thread::local::fast::Key<T>::try_initialize
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/thread/local.rs:473:31
   8: std::thread::local::fast::Key<T>::get
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/thread/local.rs:456:29
   9: js_sys::global::GLOBAL::__getit
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/thread/local.rs:183:26
  10: std::thread::local::LocalKey<T>::try_with
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/thread/local.rs:271:32
  11: std::thread::local::LocalKey<T>::with
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/std/src/thread/local.rs:248:9
  12: js_sys::global
             at /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.51/src/lib.rs:4722:12
  13: web_sys::window
             at /Users/david.jaffe/.cargo/registry/src/github.com-1ecc6299db9ec823/web-sys-0.3.51/src/lib.rs:31:5
  14: yew::utils::window
             at ./packages/yew/src/utils.rs:10:5
  15: yew::utils::document
             at ./packages/yew/src/utils.rs:15:5
  16: yew::start_app_with_props
             at ./packages/yew/src/lib.rs:372:9
  17: yew::start_app
             at ./packages/yew/src/lib.rs:336:5
  18: inner_html::main
             at ./examples/inner_html/src/main.rs:37:5
  19: core::ops::function::FnOnce::call_once
             at /rustc/2fd73fabe469357a12c2c974c140f67e7cdd76d0/library/core/src/ops/function.rs:227:5

[siku2]

Consider reading the "How to run" section in the examples directory.

[DavidBJaffe]

Thank you. I just tried that:

mac% cd inner_html/
mac% trunk serve --release
May 21 05:54:45.935  INFO 📦 starting build
May 21 05:54:45.936  INFO spawning asset pipelines
May 21 05:54:46.790  INFO building inner_html
   Compiling proc-macro2 v1.0.27
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.72
   Compiling log v0.4.14
   Compiling wasm-bindgen-shared v0.2.74
   Compiling cfg-if v1.0.0
   Compiling lazy_static v1.4.0
   Compiling bumpalo v3.6.1
   Compiling wasm-bindgen v0.2.74
   Compiling serde_derive v1.0.126
   Compiling serde v1.0.126
error[E0463]: can't find crate for `core`
  |
  = note: the `wasm32-unknown-unknown` target may not be installed

error: aborting due to previous error

For more information about this error, try `rustc --explain E0463`.
error: could not compile `cfg-if`

[teymour-aldridge]

Installing the wasm32-unknown-unknown toolchain (rustup target add wasm32-unknown-unknown) should fix the problem.

[DavidBJaffe]

Lovely, thank you both!!