flutter_rust_bridge_codegen 2.12.0

Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple
Documentation 
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use crate::utils::path_utils::path_to_string;
use anyhow::Context;
use std::path::Path;

pub(crate) fn compute_mod_from_rust_crate_path(
    code_path: &Path,
    rust_crate_dir: &Path,
) -> anyhow::Result<String> {
    compute_mod_from_path(code_path, &rust_crate_dir.join("src"))
}

fn compute_mod_from_path(code_path: &Path, base_dir: &Path) -> anyhow::Result<String> {
    (|| -> anyhow::Result<String> {
        let p = code_path.strip_prefix(base_dir)?.with_extension("");
        Ok(path_to_string(&p)?.replace(['/', '\\'], "::"))
    })()
    .with_context(|| {
        // This will stop the whole generator and tell the users, so we do not care about testing it
        // frb-coverage:ignore-start
        format!("When compute_mod_from_rust_path(code_path={code_path:?}, base_dir={base_dir:?})",)
        // frb-coverage:ignore-end
    })
}

#[cfg(test)]
mod tests {
    use super::*;
    use tempfile::tempdir;

    #[test]
    pub fn test_compute_mod_from_rust_crate_path() -> anyhow::Result<()> {
        let temp_dir = tempdir()?;

        assert_eq!(
            compute_mod_from_rust_crate_path(
                &temp_dir
                    .path()
                    .join("src")
                    .join("apple")
                    .join("orange")
                    .join("hello.rs"),
                temp_dir.path(),
            )?,
            "apple::orange::hello".to_owned(),
        );
        Ok(())
    }
}