browserslist/queries/
cover.rsuse super::{Distrib, QueryResult};
use crate::data::caniuse::CANIUSE_GLOBAL_USAGE;
use std::ops::ControlFlow;
pub(super) fn cover(coverage: f32) -> QueryResult {
let result = CANIUSE_GLOBAL_USAGE.iter().try_fold(
(vec![], 0.0),
|(mut distribs, total), (name, version, usage)| {
if total >= coverage || *usage == 0.0 {
ControlFlow::Break((distribs, total))
} else {
distribs.push(Distrib::new(name, version));
ControlFlow::Continue((distribs, total + usage))
}
},
);
match result {
ControlFlow::Break((distribs, _)) => Ok(distribs),
_ => unreachable!(),
}
}
#[cfg(test)]
mod tests {
use crate::{opts::Opts, test::run_compare};
use test_case::test_case;
#[test_case("cover 0.1%"; "global")]
#[test_case("Cover 0.1%"; "global case insensitive")]
fn valid(query: &str) {
run_compare(query, &Opts::new());
}
}