browserslist-rs 0.20.0

Rust-ported Browserslist.
Documentation 
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use super::{Distrib, QueryResult};
use crate::{parser::Comparator, parser::parse_electron_version};
use browserslist_data::electron;

pub(super) fn electron_unbounded_range(comparator: Comparator, version: &str) -> QueryResult {
    let version: f32 = parse_electron_version(version)?;

    let distribs = electron::versions()
        .filter(|(electron_version, _)| match comparator {
            Comparator::Greater => *electron_version > version,
            Comparator::Less => *electron_version < version,
            Comparator::GreaterOrEqual => *electron_version >= version,
            Comparator::LessOrEqual => *electron_version <= version,
        })
        .map(|(_, chromium_version)| Distrib::new("chrome", chromium_version))
        .collect();
    Ok(distribs)
}

#[cfg(test)]
mod tests {
    use crate::{
        error::Error,
        opts::Opts,
        test::{run_compare, should_failed},
    };
    use test_case::test_case;

    #[test_case("electron <= 0.21"; "basic")]
    #[test_case("Electron < 0.21"; "case insensitive")]
    #[test_case("Electron < 0.21.5"; "with semver patch version")]
    fn valid(query: &str) {
        run_compare(query, &Opts::default(), None);
    }

    #[test_case(
        "electron < 8.a", Error::Nom(String::from("a"));
        "malformed version 1"
    )]
    #[test_case(
        "electron >= 1.1.1.1", Error::UnknownElectronVersion(String::from("1.1.1.1"));
        "malformed version 2"
    )]
    fn invalid(query: &str, error: Error) {
        assert_eq!(should_failed(query, &Opts::default()), error);
    }
}