https://github.com/trevor-scheer/compiler-wasm-reproduction

https://github.com/trevor-scheer/compiler-wasm-reproduction

Last synced: 15 days ago
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• Host: GitHub
• URL: https://github.com/trevor-scheer/compiler-wasm-reproduction
• Owner: trevor-scheer
• Created: 2024-03-24T19:13:12.000Z (8 months ago)
• Default Branch: main
• Last Pushed: 2024-03-24T19:18:34.000Z (8 months ago)
• Last Synced: 2024-10-11T12:26:36.413Z (about 1 month ago)
• Language: Rust
• Size: 69.3 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
## How to install

```sh

npm install

```

## How to run in debug mode

```sh

# Builds the project and opens it in a new browser tab. Auto-reloads when the project changes.

npm start

```

## How to build in release mode

```sh

# Builds the project and places it into the `dist` folder.

npm run build

```

## How to run unit tests

```sh

# Runs tests in Firefox

npm test -- --firefox

# Runs tests in Chrome

npm test -- --chrome

# Runs tests in Safari

npm test -- --safari

```

## What does each file do?

* `Cargo.toml` contains the standard Rust metadata. You put your Rust dependencies in here. You must change this file with your details (name, description, version, authors, categories)

* `package.json` contains the standard npm metadata. You put your JavaScript dependencies in here. You must change this file with your details (author, name, version)

* `webpack.config.js` contains the Webpack configuration. You shouldn't need to change this, unless you have very special needs.

* The `js` folder contains your JavaScript code (`index.js` is used to hook everything into Webpack, you don't need to change it).

* The `src` folder contains your Rust code.

* The `static` folder contains any files that you want copied as-is into the final build. It contains an `index.html` file which loads the `index.js` file.

* The `tests` folder contains your Rust unit tests.

## Reproduction notes

Requires `wasm-pack`

Init:

```

npm i && npm start

```

Be patient during builds, they don't take long but they're sometimes deceivingly "done" when they're really not.

The addition or removal of this line in `lib.rs` will cause the error to appear or disappear:

```rust

let mut compiler = ApolloCompiler::new();

```

```

ERROR in ./pkg/index_bg.wasm

Module not found: Error: Can't resolve 'env' in '/Users/trevorscheer/Desktop/compiler-wasm-reproduction/pkg'

 @ ./pkg/index_bg.wasm

 @ ./pkg/index.js

 @ ./js/index.js

 ```

https://github.com/rustwasm/wasm-bindgen/discussions/3500

 This thread is very helpful. I followed the instructions from the accepted answer to determine the issue is a usage of `Instant::now`, but it's happening in a dependency and the tools don't identify which one.