Module not found: Error: Can't resolve 'env'

[wangyiran125]

Summary

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Module not found: Error: Can't resolve 'env' in 'D:\project\rust\wasm-pack-template\pkg'

Additional Details

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when i add it to lib.rs

#[wasm_bindgen]
pub fn parseTest() -> String{
    let resp = ureq::get("www.google.com")
         .call();
    let text = resp.into_string().unwrap();
    text
}

cargo.toml add
ureq = { version = "0.11.2", features = ["json"] }

[alexcrichton]

Thanks for the report! This typically means that there's an unresolved import, for example something like:

extern {
    fn foo();
}

where the default import module is env. The ureq crate likely doesn't target WebAssembly yet and would need to be updated to support it!

[ivnsch]

Ran across this today and it was indeed because I was using a dependency that doesn't support WASM. Is it easy to improve this error message?

[sf-cg]

I too am using ureq and got this error, I couldn't understand it at all - is there anything that can be done for future people beyond hopefully googling the right thing to spot this issue thread?

[ShayRubach]

Joining @sf-cg. I have this issue as well, but I have no clue from which crate. I have a working Rust lib that I compiled into wasm and I want to call its API from some JS code. Without a more informative error, I have no idea which one of the dozen crates I have there causes the issue..

[5learn5]

facing same issue. Any suggestions how I can come over it ?

[kalzoo]

Started a discussion on this issue here

[kalzoo]

Solved, thanks to @Liamolucko ! See discussion linked above ☝️